Examples/SoilWaterStructureInteraction/dynsws/trunk/.svn/text-base/doc-dynsws.svn-base

+# Doxyfile 1.8.0
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project.
+#
+# All text after a hash (#) is considered a comment and will be ignored.
+# The format is:
+#       TAG = value [value, ...]
+# For lists items can also be appended using:
+#       TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (" ").
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+
+# This tag specifies the encoding used for all characters in the config file
+# that follow. The default is UTF-8 which is also the encoding used for all
+# text before the first occurrence of this tag. Doxygen uses libiconv (or the
+# iconv built into libc) for the transcoding. See
+# http://www.gnu.org/software/libiconv for the list of possible encodings.
+
+DOXYFILE_ENCODING      = UTF-8
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+# The PROJECT_NAME tag is a single word (or sequence of words) that should
+# identify the project. Note that if you do not use Doxywizard you need
+# to put quotes around the project name if it contains spaces.
+
+PROJECT_NAME           = "DynSWS"
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number.
+# This could be handy for archiving the generated documentation or
+# if some version control system is used.
+
+PROJECT_NUMBER         = 1.0
+
+# Using the PROJECT_BRIEF tag one can provide an optional one line description
+# for a project that appears at the top of each page and should give viewer
+# a quick idea about the purpose of the project. Keep the description short.
+
+PROJECT_BRIEF          = "Dynamic model of soil-water-structure interaction"
+
+# With the PROJECT_LOGO tag one can specify an logo or icon that is
+# included in the documentation. The maximum height of the logo should not
+# exceed 55 pixels and the maximum width should not exceed 200 pixels.
+# Doxygen will copy the logo to the output directory.
+
+PROJECT_LOGO           =
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+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
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+# If a relative path is entered, it will be relative to the location
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+OUTPUT_DIRECTORY       = doc
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+# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create
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+# Enabling this option can be useful when feeding doxygen a huge amount of
+# source files, where putting all generated files in the same directory would
+# otherwise cause performance problems for the file system.
+
+CREATE_SUBDIRS         = NO
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+# The OUTPUT_LANGUAGE tag is used to specify the language in which all
+# documentation generated by doxygen is written. Doxygen will use this
+# information to generate all constant output in the proper language.
+# The default language is English, other supported languages are:
+# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional,
+# Croatian, Czech, Danish, Dutch, Esperanto, Farsi, Finnish, French, German,
+# Greek, Hungarian, Italian, Japanese, Japanese-en (Japanese with English
+# messages), Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian,
+# Polish, Portuguese, Romanian, Russian, Serbian, Serbian-Cyrillic, Slovak,
+# Slovene, Spanish, Swedish, Ukrainian, and Vietnamese.
+
+OUTPUT_LANGUAGE        = English
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+# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will
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+# the file and class documentation (similar to JavaDoc).
+# Set to NO to disable this.
+
+BRIEF_MEMBER_DESC      = YES
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+# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend
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+# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
+# brief descriptions will be completely suppressed.
+
+REPEAT_BRIEF           = YES
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+# This tag implements a quasi-intelligent brief description abbreviator
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+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
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+FULL_PATH_NAMES        = YES
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+# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag
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+# path to strip.
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+STRIP_FROM_PATH        =
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+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of
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+STRIP_FROM_INC_PATH    =
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+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter
+# (but less readable) file names. This can be useful if your file system
+# doesn't support long names like on DOS, Mac, or CD-ROM.
+
+SHORT_NAMES            = NO
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+# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen
+# will interpret the first line (until the first dot) of a JavaDoc-style
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+# (thus requiring an explicit @brief command for a brief description.)
+
+JAVADOC_AUTOBRIEF      = NO
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+# If the QT_AUTOBRIEF tag is set to YES then Doxygen will
+# interpret the first line (until the first dot) of a Qt-style
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+# an explicit \brief command for a brief description.)
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+QT_AUTOBRIEF           = NO
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+# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen
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+# comments) as a brief description. This used to be the default behaviour.
+# The new default is to treat a multi-line C++ comment block as a detailed
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+MULTILINE_CPP_IS_BRIEF = NO
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+# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented
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+
+SEPARATE_MEMBER_PAGES  = NO
+
+# The TAB_SIZE tag can be used to set the number of spaces in a tab.
+# Doxygen uses this value to replace tabs by spaces in code fragments.
+
+TAB_SIZE               = 2
+
+# This tag can be used to specify a number of aliases that acts
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+# For example adding "sideeffect=\par Side Effects:\n" will allow you to
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+# You can put \n's in the value part of an alias to insert newlines.
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+ALIASES                =
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+# This tag can be used to specify a number of word-keyword mappings (TCL only).
+# A mapping has the form "name=value". For example adding
+# "class=itcl::class" will allow you to use the command class in the
+# itcl::class meaning.
+
+TCL_SUBST              =
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+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C
+# sources only. Doxygen will then generate output that is more tailored for C.
+# For instance, some of the names that are used will be different. The list
+# of all members will be omitted, etc.
+
+OPTIMIZE_OUTPUT_FOR_C  = NO
+
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java
+# sources only. Doxygen will then generate output that is more tailored for
+# Java. For instance, namespaces will be presented as packages, qualified
+# scopes will look different, etc.
+
+OPTIMIZE_OUTPUT_JAVA   = NO
+
+# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran
+# sources only. Doxygen will then generate output that is more tailored for
+# Fortran.
+
+OPTIMIZE_FOR_FORTRAN   = YES
+
+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
+# sources. Doxygen will then generate output that is tailored for
+# VHDL.
+
+OPTIMIZE_OUTPUT_VHDL   = NO
+
+# Doxygen selects the parser to use depending on the extension of the files it
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+EXTENSION_MAPPING      =
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+# If MARKDOWN_SUPPORT is enabled (the default) then doxygen pre-processes all
+# comments according to the Markdown format, which allows for more readable
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+# Disable only in case of backward compatibilities issues.
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+MARKDOWN_SUPPORT       = YES
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+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
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+# set this tag to YES in order to let doxygen match functions declarations and
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+# func(std::string) {}). This also makes the inheritance and collaboration
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+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to
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+
+CPP_CLI_SUPPORT        = NO
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+# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only.
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+SIP_SUPPORT            = NO
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+IDL_PROPERTY_SUPPORT   = YES
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+# Set the SUBGROUPING tag to YES (the default) to allow class member groups of
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+
+SUBGROUPING            = YES
+
+# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and
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+# @ingroup) instead of on a separate page (for HTML and Man pages) or
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+INLINE_GROUPED_CLASSES = NO
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+# structs, classes, and unions are shown on a separate page (for HTML and Man
+# pages) or section (for LaTeX and RTF).
+
+INLINE_SIMPLE_STRUCTS  = NO
+
+# When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum
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+TYPEDEF_HIDES_STRUCT   = NO
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+SYMBOL_CACHE_SIZE      = 0
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+# Similar to the SYMBOL_CACHE_SIZE the size of the symbol lookup cache can be
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+# corresponding to a cache size of 2^16 = 65536 symbols.
+
+LOOKUP_CACHE_SIZE      = 0
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in
+# documentation are documented, even if no documentation was available.
+# Private class members and static file members will be hidden unless
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+
+EXTRACT_ALL            = NO
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+# If the EXTRACT_PRIVATE tag is set to YES all private members of a class
+# will be included in the documentation.
+
+EXTRACT_PRIVATE        = YES
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+# If the EXTRACT_PACKAGE tag is set to YES all members with package or internal scope will be included in the documentation.
+
+EXTRACT_PACKAGE        = YES
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+# If the EXTRACT_STATIC tag is set to YES all static members of a file
+# will be included in the documentation.
+
+EXTRACT_STATIC         = YES
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs)
+# defined locally in source files will be included in the documentation.
+# If set to NO only classes defined in header files are included.
+
+EXTRACT_LOCAL_CLASSES  = YES
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+# This flag is only useful for Objective-C code. When set to YES local
+# methods, which are defined in the implementation section but not in
+# the interface are included in the documentation.
+# If set to NO (the default) only methods in the interface are included.
+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be
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+# 'anonymous_namespace{file}', where file will be replaced with the base
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+# anonymous namespaces are hidden.
+
+EXTRACT_ANON_NSPACES   = NO
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+# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all
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+# various overviews, but no documentation section is generated.
+# This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_MEMBERS     = NO
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+# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all
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+# overviews. This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_CLASSES     = NO
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+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all
+# friend (class|struct|union) declarations.
+# If set to NO (the default) these declarations will be included in the
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+
+HIDE_FRIEND_COMPOUNDS  = NO
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+# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any
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+# If set to NO (the default) these blocks will be appended to the
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+
+HIDE_IN_BODY_DOCS      = NO
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+# The INTERNAL_DOCS tag determines if documentation
+# that is typed after a \internal command is included. If the tag is set
+# to NO (the default) then the documentation will be excluded.
+# Set it to YES to include the internal documentation.
+
+INTERNAL_DOCS          = NO
+
+# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate
+# file names in lower-case letters. If set to YES upper-case letters are also
+# allowed. This is useful if you have classes or files whose names only differ
+# in case and if your file system supports case sensitive file names. Windows
+# and Mac users are advised to set this option to NO.
+
+CASE_SENSE_NAMES       = NO
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+# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen
+# will show members with their full class and namespace scopes in the
+# documentation. If set to YES the scope will be hidden.
+
+HIDE_SCOPE_NAMES       = NO
+
+# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen
+# will put a list of the files that are included by a file in the documentation
+# of that file.
+
+SHOW_INCLUDE_FILES     = YES
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+# If the FORCE_LOCAL_INCLUDES tag is set to YES then Doxygen
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+
+FORCE_LOCAL_INCLUDES   = NO
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+INLINE_INFO            = YES
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+# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen
+# will sort the (detailed) documentation of file and class members
+# alphabetically by member name. If set to NO the members will appear in
+# declaration order.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the
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+# by member name. If set to NO (the default) the members will appear in
+# declaration order.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen
+# will sort the (brief and detailed) documentation of class members so that
+# constructors and destructors are listed first. If set to NO (the default)
+# the constructors will appear in the respective orders defined by
+# SORT_MEMBER_DOCS and SORT_BRIEF_DOCS.
+# This tag will be ignored for brief docs if SORT_BRIEF_DOCS is set to NO
+# and ignored for detailed docs if SORT_MEMBER_DOCS is set to NO.
+
+SORT_MEMBERS_CTORS_1ST = NO
+
+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the
+# hierarchy of group names into alphabetical order. If set to NO (the default)
+# the group names will appear in their defined order.
+
+SORT_GROUP_NAMES       = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be
+# sorted by fully-qualified names, including namespaces. If set to
+# NO (the default), the class list will be sorted only by class name,
+# not including the namespace part.
+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
+# Note: This option applies only to the class list, not to the
+# alphabetical list.
+
+SORT_BY_SCOPE_NAME     = NO
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+# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to
+# do proper type resolution of all parameters of a function it will reject a
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+# if there is only one candidate or it is obvious which candidate to choose
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+# will still accept a match between prototype and implementation in such cases.
+
+STRICT_PROTO_MATCHING  = NO
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or
+# disable (NO) the todo list. This list is created by putting \todo
+# commands in the documentation.
+
+GENERATE_TODOLIST      = YES
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or
+# disable (NO) the test list. This list is created by putting \test
+# commands in the documentation.
+
+GENERATE_TESTLIST      = YES
+
+# The GENERATE_BUGLIST tag can be used to enable (YES) or
+# disable (NO) the bug list. This list is created by putting \bug
+# commands in the documentation.
+
+GENERATE_BUGLIST       = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or
+# disable (NO) the deprecated list. This list is created by putting
+# \deprecated commands in the documentation.
+
+GENERATE_DEPRECATEDLIST= YES
+
+# The ENABLED_SECTIONS tag can be used to enable conditional
+# documentation sections, marked by \if sectionname ... \endif.
+
+ENABLED_SECTIONS       =
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines
+# the initial value of a variable or macro consists of for it to appear in
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+# The appearance of the initializer of individual variables and macros in the
+# documentation can be controlled using \showinitializer or \hideinitializer
+# command in the documentation regardless of this setting.
+
+MAX_INITIALIZER_LINES  = 30
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated
+# at the bottom of the documentation of classes and structs. If set to YES the
+# list will mention the files that were used to generate the documentation.
+
+SHOW_USED_FILES        = YES
+
+# If the sources in your project are distributed over multiple directories
+# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy
+# in the documentation. The default is NO.
+
+SHOW_DIRECTORIES       = NO
+
+# Set the SHOW_FILES tag to NO to disable the generation of the Files page.
+# This will remove the Files entry from the Quick Index and from the
+# Folder Tree View (if specified). The default is YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the
+# Namespaces page.
+# This will remove the Namespaces entry from the Quick Index
+# and from the Folder Tree View (if specified). The default is YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that
+# doxygen should invoke to get the current version for each file (typically from
+# the version control system). Doxygen will invoke the program by executing (via
+# popen()) the command <command> <input-file>, where <command> is the value of
+# the FILE_VERSION_FILTER tag, and <input-file> is the name of an input file
+# provided by doxygen. Whatever the program writes to standard output
+# is used as the file version. See the manual for examples.
+
+FILE_VERSION_FILTER    =
+
+# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
+# by doxygen. The layout file controls the global structure of the generated
+# output files in an output format independent way. The create the layout file
+# that represents doxygen's defaults, run doxygen with the -l option.
+# You can optionally specify a file name after the option, if omitted
+# DoxygenLayout.xml will be used as the name of the layout file.
+
+LAYOUT_FILE            =
+
+# The CITE_BIB_FILES tag can be used to specify one or more bib files
+# containing the references data. This must be a list of .bib files. The
+# .bib extension is automatically appended if omitted. Using this command
+# requires the bibtex tool to be installed. See also
+# http://en.wikipedia.org/wiki/BibTeX for more info. For LaTeX the style
+# of the bibliography can be controlled using LATEX_BIB_STYLE. To use this
+# feature you need bibtex and perl available in the search path.
+
+CITE_BIB_FILES         =
+
+#---------------------------------------------------------------------------
+# configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated
+# by doxygen. Possible values are YES and NO. If left blank NO is used.
+
+QUIET                  = NO
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are
+# generated by doxygen. Possible values are YES and NO. If left blank
+# NO is used.
+
+WARNINGS               = YES
+
+# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings
+# for undocumented members. If EXTRACT_ALL is set to YES then this flag will
+# automatically be disabled.
+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for
+# potential errors in the documentation, such as not documenting some
+# parameters in a documented function, or documenting parameters that
+# don't exist or using markup commands wrongly.
+
+WARN_IF_DOC_ERROR      = YES
+
+# The WARN_NO_PARAMDOC option can be enabled to get warnings for
+# functions that are documented, but have no documentation for their parameters
+# or return value. If set to NO (the default) doxygen will only warn about
+# wrong or incomplete parameter documentation, but not about the absence of
+# documentation.
+
+WARN_NO_PARAMDOC       = NO
+
+# The WARN_FORMAT tag determines the format of the warning messages that
+# doxygen can produce. The string should contain the $file, $line, and $text
+# tags, which will be replaced by the file and line number from which the
+# warning originated and the warning text. Optionally the format may contain
+# $version, which will be replaced by the version of the file (if it could
+# be obtained via FILE_VERSION_FILTER)
+
+WARN_FORMAT            = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning
+# and error messages should be written. If left blank the output is written
+# to stderr.
+
+WARN_LOGFILE           = "doc_log.txt"
+
+#---------------------------------------------------------------------------
+# configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag can be used to specify the files and/or directories that contain
+# documented source files. You may enter file names like "myfile.cpp" or
+# directories like "/usr/src/myproject". Separate the files or directories
+# with spaces.
+
+INPUT                  =
+
+# This tag can be used to specify the character encoding of the source files
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is
+# also the default input encoding. Doxygen uses libiconv (or the iconv built
+# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for
+# the list of possible encodings.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the
+# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
+# and *.h) to filter out the source-files in the directories. If left
+# blank the following patterns are tested:
+# *.c *.cc *.cxx *.cpp *.c++ *.d *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh
+# *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py
+# *.f90 *.f *.for *.vhd *.vhdl
+
+FILE_PATTERNS          =
+
+# The RECURSIVE tag can be used to turn specify whether or not subdirectories
+# should be searched for input files as well. Possible values are YES and NO.
+# If left blank NO is used.
+
+RECURSIVE              = NO
+
+# The EXCLUDE tag can be used to specify files and/or directories that should be
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+# Note that relative paths are relative to the directory from which doxygen is
+# run.
+
+EXCLUDE                = Makefile test_driver.exe fruit.f90 fruit_util.f90
+
+# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
+# directories that are symbolic links (a Unix file system feature) are excluded
+# from the input.
+
+EXCLUDE_SYMLINKS       = NO
+
+# If the value of the INPUT tag contains directories, you can use the
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
+# certain files from those directories. Note that the wildcards are matched
+# against the file with absolute path, so to exclude all test directories
+# for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       =
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
+# (namespaces, classes, functions, etc.) that should be excluded from the
+# output. The symbol name can be a fully qualified name, a word, or if the
+# wildcard * is used, a substring. Examples: ANamespace, AClass,
+# AClass::ANamespace, ANamespace::*Test
+
+EXCLUDE_SYMBOLS        =
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or
+# directories that contain example code fragments that are included (see
+# the \include command).
+
+EXAMPLE_PATH           =
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
+# and *.h) to filter out the source-files in the directories. If left
+# blank all files are included.
+
+EXAMPLE_PATTERNS       =
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
+# searched for input files to be used with the \include or \dontinclude
+# commands irrespective of the value of the RECURSIVE tag.
+# Possible values are YES and NO. If left blank NO is used.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or
+# directories that contain image that are included in the documentation (see
+# the \image command).
+
+IMAGE_PATH             =
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should
+# invoke to filter for each input file. Doxygen will invoke the filter program
+# by executing (via popen()) the command <filter> <input-file>, where <filter>
+# is the value of the INPUT_FILTER tag, and <input-file> is the name of an
+# input file. Doxygen will then use the output that the filter program writes
+# to standard output.
+# If FILTER_PATTERNS is specified, this tag will be
+# ignored.
+
+INPUT_FILTER           =
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
+# basis.
+# Doxygen will compare the file name with each pattern and apply the
+# filter if there is a match.
+# The filters are a list of the form:
+# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further
+# info on how filters are used. If FILTER_PATTERNS is empty or if
+# non of the patterns match the file name, INPUT_FILTER is applied.
+
+FILTER_PATTERNS        =
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
+# INPUT_FILTER) will be used to filter the input files when producing source
+# files to browse (i.e. when SOURCE_BROWSER is set to YES).
+
+FILTER_SOURCE_FILES    = NO
+
+# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
+# pattern. A pattern will override the setting for FILTER_PATTERN (if any)
+# and it is also possible to disable source filtering for a specific pattern
+# using *.ext= (so without naming a filter). This option only has effect when
+# FILTER_SOURCE_FILES is enabled.
+
+FILTER_SOURCE_PATTERNS =
+
+#---------------------------------------------------------------------------
+# configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will
+# be generated. Documented entities will be cross-referenced with these sources.
+# Note: To get rid of all source code in the generated output, make sure also
+# VERBATIM_HEADERS is set to NO.
+
+SOURCE_BROWSER         = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body
+# of functions and classes directly in the documentation.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct
+# doxygen to hide any special comment blocks from generated source code
+# fragments. Normal C and C++ comments will always remain visible.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES
+# then for each documented function all documented
+# functions referencing it will be listed.
+
+REFERENCED_BY_RELATION = NO
+
+# If the REFERENCES_RELATION tag is set to YES
+# then for each documented function all documented entities
+# called/used by that function will be listed.
+
+REFERENCES_RELATION    = NO
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES (the default)
+# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from
+# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will
+# link to the source code.
+# Otherwise they will link to the documentation.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code
+# will point to the HTML generated by the htags(1) tool instead of doxygen
+# built-in source browser. The htags tool is part of GNU's global source
+# tagging system (see http://www.gnu.org/software/global/global.html). You
+# will need version 4.8.6 or higher.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen
+# will generate a verbatim copy of the header file for each class for
+# which an include is specified. Set to NO to disable this.
+
+VERBATIM_HEADERS       = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index
+# of all compounds will be generated. Enable this if the project
+# contains a lot of classes, structs, unions or interfaces.
+
+ALPHABETICAL_INDEX     = YES
+
+# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then
+# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
+# in which this list will be split (can be a number in the range [1..20])
+
+COLS_IN_ALPHA_INDEX    = 5
+
+# In case all classes in a project start with a common prefix, all
+# classes will be put under the same header in the alphabetical index.
+# The IGNORE_PREFIX tag can be used to specify one or more prefixes that
+# should be ignored while generating the index headers.
+
+IGNORE_PREFIX          =
+
+#---------------------------------------------------------------------------
+# configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES (the default) Doxygen will
+# generate HTML output.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `html' will be used as the default path.
+
+HTML_OUTPUT            = html
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for
+# each generated HTML page (for example: .htm,.php,.asp). If it is left blank
+# doxygen will generate files with .html extension.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a personal HTML header for
+# each generated HTML page. If it is left blank doxygen will generate a
+# standard header. Note that when using a custom header you are responsible
+#  for the proper inclusion of any scripts and style sheets that doxygen
+# needs, which is dependent on the configuration options used.
+# It is advised to generate a default header using "doxygen -w html
+# header.html footer.html stylesheet.css YourConfigFile" and then modify
+# that header. Note that the header is subject to change so you typically
+# have to redo this when upgrading to a newer version of doxygen or when
+# changing the value of configuration settings such as GENERATE_TREEVIEW!
+
+HTML_HEADER            =
+
+# The HTML_FOOTER tag can be used to specify a personal HTML footer for
+# each generated HTML page. If it is left blank doxygen will generate a
+# standard footer.
+
+HTML_FOOTER            =
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading
+# style sheet that is used by each HTML page. It can be used to
+# fine-tune the look of the HTML output. If the tag is left blank doxygen
+# will generate a default style sheet. Note that doxygen will try to copy
+# the style sheet file to the HTML output directory, so don't put your own
+# style sheet in the HTML output directory as well, or it will be erased!
+
+HTML_STYLESHEET        =
+
+# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the HTML output directory. Note
+# that these files will be copied to the base HTML output directory. Use the
+# $relpath$ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
+# files. In the HTML_STYLESHEET file, use the file name only. Also note that
+# the files will be copied as-is; there are no commands or markers available.
+
+HTML_EXTRA_FILES       =
+
+# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output.
+# Doxygen will adjust the colors in the style sheet and background images
+# according to this color. Hue is specified as an angle on a colorwheel,
+# see http://en.wikipedia.org/wiki/Hue for more information.
+# For instance the value 0 represents red, 60 is yellow, 120 is green,
+# 180 is cyan, 240 is blue, 300 purple, and 360 is red again.
+# The allowed range is 0 to 359.
+
+HTML_COLORSTYLE_HUE    = 220
+
+# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of
+# the colors in the HTML output. For a value of 0 the output will use
+# grayscales only. A value of 255 will produce the most vivid colors.
+
+HTML_COLORSTYLE_SAT    = 100
+
+# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to
+# the luminance component of the colors in the HTML output. Values below
+# 100 gradually make the output lighter, whereas values above 100 make
+# the output darker. The value divided by 100 is the actual gamma applied,
+# so 80 represents a gamma of 0.8, The value 220 represents a gamma of 2.2,
+# and 100 does not change the gamma.
+
+HTML_COLORSTYLE_GAMMA  = 80
+
+# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
+# page will contain the date and time when the page was generated. Setting
+# this to NO can help when comparing the output of multiple runs.
+
+HTML_TIMESTAMP         = YES
+
+# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes,
+# files or namespaces will be aligned in HTML using tables. If set to
+# NO a bullet list will be used.
+
+HTML_ALIGN_MEMBERS     = YES
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
+# documentation will contain sections that can be hidden and shown after the
+# page has loaded. For this to work a browser that supports
+# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox
+# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari).
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files
+# will be generated that can be used as input for Apple's Xcode 3
+# integrated development environment, introduced with OSX 10.5 (Leopard).
+# To create a documentation set, doxygen will generate a Makefile in the
+# HTML output directory. Running make will produce the docset in that
+# directory and running "make install" will install the docset in
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find
+# it at startup.
+# See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html
+# for more information.
+
+GENERATE_DOCSET        = NO
+
+# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the
+# feed. A documentation feed provides an umbrella under which multiple
+# documentation sets from a single provider (such as a company or product suite)
+# can be grouped.
+
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+
+# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that
+# should uniquely identify the documentation set bundle. This should be a
+# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen
+# will append .docset to the name.
+
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+
+# When GENERATE_PUBLISHER_ID tag specifies a string that should uniquely identify
+# the documentation publisher. This should be a reverse domain-name style
+# string, e.g. com.mycompany.MyDocSet.documentation.
+
+DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
+
+# The GENERATE_PUBLISHER_NAME tag identifies the documentation publisher.
+
+DOCSET_PUBLISHER_NAME  = Publisher
+
+# If the GENERATE_HTMLHELP tag is set to YES, additional index files
+# will be generated that can be used as input for tools like the
+# Microsoft HTML help workshop to generate a compiled HTML help file (.chm)
+# of the generated HTML documentation.
+
+GENERATE_HTMLHELP      = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can
+# be used to specify the file name of the resulting .chm file. You
+# can add a path in front of the file if the result should not be
+# written to the html output directory.
+
+CHM_FILE               =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can
+# be used to specify the location (absolute path including file name) of
+# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run
+# the HTML help compiler on the generated index.hhp.
+
+HHC_LOCATION           =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag
+# controls if a separate .chi index file is generated (YES) or that
+# it should be included in the master .chm file (NO).
+
+GENERATE_CHI           = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING
+# is used to encode HtmlHelp index (hhk), content (hhc) and project file
+# content.
+
+CHM_INDEX_ENCODING     =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag
+# controls whether a binary table of contents is generated (YES) or a
+# normal table of contents (NO) in the .chm file.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members
+# to the contents of the HTML help documentation and to the tree view.
+
+TOC_EXPAND             = NO
+
+# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
+# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated
+# that can be used as input for Qt's qhelpgenerator to generate a
+# Qt Compressed Help (.qch) of the generated HTML documentation.
+
+GENERATE_QHP           = NO
+
+# If the QHG_LOCATION tag is specified, the QCH_FILE tag can
+# be used to specify the file name of the resulting .qch file.
+# The path specified is relative to the HTML output folder.
+
+QCH_FILE               =
+
+# The QHP_NAMESPACE tag specifies the namespace to use when generating
+# Qt Help Project output. For more information please see
+# http://doc.trolltech.com/qthelpproject.html#namespace
+
+QHP_NAMESPACE          = org.doxygen.Project
+
+# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating
+# Qt Help Project output. For more information please see
+# http://doc.trolltech.com/qthelpproject.html#virtual-folders
+
+QHP_VIRTUAL_FOLDER     = doc
+
+# If QHP_CUST_FILTER_NAME is set, it specifies the name of a custom filter to
+# add. For more information please see
+# http://doc.trolltech.com/qthelpproject.html#custom-filters
+
+QHP_CUST_FILTER_NAME   =
+
+# The QHP_CUST_FILT_ATTRS tag specifies the list of the attributes of the
+# custom filter to add. For more information please see
+# <a href="http://doc.trolltech.com/qthelpproject.html#custom-filters">
+# Qt Help Project / Custom Filters</a>.
+
+QHP_CUST_FILTER_ATTRS  =
+
+# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
+# project's
+# filter section matches.
+# <a href="http://doc.trolltech.com/qthelpproject.html#filter-attributes">
+# Qt Help Project / Filter Attributes</a>.
+
+QHP_SECT_FILTER_ATTRS  =
+
+# If the GENERATE_QHP tag is set to YES, the QHG_LOCATION tag can
+# be used to specify the location of Qt's qhelpgenerator.
+# If non-empty doxygen will try to run qhelpgenerator on the generated
+# .qhp file.
+
+QHG_LOCATION           =
+
+# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files
+#  will be generated, which together with the HTML files, form an Eclipse help
+# plugin. To install this plugin and make it available under the help contents
+# menu in Eclipse, the contents of the directory containing the HTML and XML
+# files needs to be copied into the plugins directory of eclipse. The name of
+# the directory within the plugins directory should be the same as
+# the ECLIPSE_DOC_ID value. After copying Eclipse needs to be restarted before
+# the help appears.
+
+GENERATE_ECLIPSEHELP   = NO
+
+# A unique identifier for the eclipse help plugin. When installing the plugin
+# the directory name containing the HTML and XML files should also have
+# this name.
+
+ECLIPSE_DOC_ID         = org.doxygen.Project
+
+# The DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs)
+# at top of each HTML page. The value NO (the default) enables the index and
+# the value YES disables it. Since the tabs have the same information as the
+# navigation tree you can set this option to NO if you already set
+# GENERATE_TREEVIEW to YES.
+
+DISABLE_INDEX          = NO
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
+# structure should be generated to display hierarchical information.
+# If the tag value is set to YES, a side panel will be generated
+# containing a tree-like index structure (just like the one that
+# is generated for HTML Help). For this to work a browser that supports
+# JavaScript, DHTML, CSS and frames is required (i.e. any modern browser).
+# Windows users are probably better off using the HTML help feature.
+# Since the tree basically has the same information as the tab index you
+# could consider to set DISABLE_INDEX to NO when enabling this option.
+
+GENERATE_TREEVIEW      = NO
+
+# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values
+# (range [0,1..20]) that doxygen will group on one line in the generated HTML
+# documentation. Note that a value of 0 will completely suppress the enum
+# values from appearing in the overview section.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# By enabling USE_INLINE_TREES, doxygen will generate the Groups, Directories,
+# and Class Hierarchy pages using a tree view instead of an ordered list.
+
+USE_INLINE_TREES       = NO
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be
+# used to set the initial width (in pixels) of the frame in which the tree
+# is shown.
+
+TREEVIEW_WIDTH         = 250
+
+# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open
+# links to external symbols imported via tag files in a separate window.
+
+EXT_LINKS_IN_WINDOW    = NO
+
+# Use this tag to change the font size of Latex formulas included
+# as images in the HTML documentation. The default is 10. Note that
+# when you change the font size after a successful doxygen run you need
+# to manually remove any form_*.png images from the HTML output directory
+# to force them to be regenerated.
+
+FORMULA_FONTSIZE       = 10
+
+# Use the FORMULA_TRANPARENT tag to determine whether or not the images
+# generated for formulas are transparent PNGs. Transparent PNGs are
+# not supported properly for IE 6.0, but are supported on all modern browsers.
+# Note that when changing this option you need to delete any form_*.png files
+# in the HTML output before the changes have effect.
+
+FORMULA_TRANSPARENT    = YES
+
+# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax
+# (see http://www.mathjax.org) which uses client side Javascript for the
+# rendering instead of using prerendered bitmaps. Use this if you do not
+# have LaTeX installed or if you want to formulas look prettier in the HTML
+# output. When enabled you may also need to install MathJax separately and
+# configure the path to it using the MATHJAX_RELPATH option.
+
+USE_MATHJAX            = NO
+
+# When MathJax is enabled you need to specify the location relative to the
+# HTML output directory using the MATHJAX_RELPATH option. The destination
+# directory should contain the MathJax.js script. For instance, if the mathjax
+# directory is located at the same level as the HTML output directory, then
+# MATHJAX_RELPATH should be ../mathjax. The default value points to
+# the MathJax Content Delivery Network so you can quickly see the result without
+# installing MathJax.
+# However, it is strongly recommended to install a local
+# copy of MathJax from http://www.mathjax.org before deployment.
+
+MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
+
+# The MATHJAX_EXTENSIONS tag can be used to specify one or MathJax extension
+# names that should be enabled during MathJax rendering.
+
+MATHJAX_EXTENSIONS     =
+
+# When the SEARCHENGINE tag is enabled doxygen will generate a search box
+# for the HTML output. The underlying search engine uses javascript
+# and DHTML and should work on any modern browser. Note that when using
+# HTML help (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets
+# (GENERATE_DOCSET) there is already a search function so this one should
+# typically be disabled. For large projects the javascript based search engine
+# can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution.
+
+SEARCHENGINE           = YES
+
+# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
+# implemented using a PHP enabled web server instead of at the web client
+# using Javascript. Doxygen will generate the search PHP script and index
+# file to put on the web server. The advantage of the server
+# based approach is that it scales better to large projects and allows
+# full text search. The disadvantages are that it is more difficult to setup
+# and does not have live searching capabilities.
+
+SERVER_BASED_SEARCH    = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will
+# generate Latex output.
+
+GENERATE_LATEX         = YES
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `latex' will be used as the default path.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
+# invoked. If left blank `latex' will be used as the default command name.
+# Note that when enabling USE_PDFLATEX this option is only used for
+# generating bitmaps for formulas in the HTML output, but not in the
+# Makefile that is written to the output directory.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to
+# generate index for LaTeX. If left blank `makeindex' will be used as the
+# default command name.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact
+# LaTeX documents. This may be useful for small projects and may help to
+# save some trees in general.
+
+COMPACT_LATEX          = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used
+# by the printer. Possible values are: a4, letter, legal and
+# executive. If left blank a4wide will be used.
+
+PAPER_TYPE             = letter
+
+# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX
+# packages that should be included in the LaTeX output.
+
+EXTRA_PACKAGES         =
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for
+# the generated latex document. The header should contain everything until
+# the first chapter. If it is left blank doxygen will generate a
+# standard header. Notice: only use this tag if you know what you are doing!
+
+LATEX_HEADER           =
+
+# The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for
+# the generated latex document. The footer should contain everything after
+# the last chapter. If it is left blank doxygen will generate a
+# standard footer. Notice: only use this tag if you know what you are doing!
+
+LATEX_FOOTER           =
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated
+# is prepared for conversion to pdf (using ps2pdf). The pdf file will
+# contain links (just like the HTML output) instead of page references
+# This makes the output suitable for online browsing using a pdf viewer.
+
+PDF_HYPERLINKS         = YES
+
+# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of
+# plain latex in the generated Makefile. Set this option to YES to get a
+# higher quality PDF documentation.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode.
+# command to the generated LaTeX files. This will instruct LaTeX to keep
+# running if errors occur, instead of asking the user for help.
+# This option is also used when generating formulas in HTML.
+
+LATEX_BATCHMODE        = NO
+
+# If LATEX_HIDE_INDICES is set to YES then doxygen will not
+# include the index chapters (such as File Index, Compound Index, etc.)
+# in the output.
+
+LATEX_HIDE_INDICES     = NO
+
+# If LATEX_SOURCE_CODE is set to YES then doxygen will include
+# source code with syntax highlighting in the LaTeX output.
+# Note that which sources are shown also depends on other settings
+# such as SOURCE_BROWSER.
+
+LATEX_SOURCE_CODE      = NO
+
+# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
+# bibliography, e.g. plainnat, or ieeetr. The default style is "plain". See
+# http://en.wikipedia.org/wiki/BibTeX for more info.
+
+LATEX_BIB_STYLE        = ieeetran
+
+#---------------------------------------------------------------------------
+# configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output
+# The RTF output is optimized for Word 97 and may not look very pretty with
+# other RTF readers or editors.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `rtf' will be used as the default path.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES Doxygen generates more compact
+# RTF documents. This may be useful for small projects and may help to
+# save some trees in general.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated
+# will contain hyperlink fields. The RTF file will
+# contain links (just like the HTML output) instead of page references.
+# This makes the output suitable for online browsing using WORD or other
+# programs which support those fields.
+# Note: wordpad (write) and others do not support links.
+
+RTF_HYPERLINKS         = NO
+
+# Load style sheet definitions from file. Syntax is similar to doxygen's
+# config file, i.e. a series of assignments. You only have to provide
+# replacements, missing definitions are set to their default value.
+
+RTF_STYLESHEET_FILE    =
+
+# Set optional variables used in the generation of an rtf document.
+# Syntax is similar to doxygen's config file.
+
+RTF_EXTENSIONS_FILE    =
+
+#---------------------------------------------------------------------------
+# configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES (the default) Doxygen will
+# generate man pages
+
+GENERATE_MAN           = NO
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `man' will be used as the default path.
+
+MAN_OUTPUT             = man
+
+# The MAN_EXTENSION tag determines the extension that is added to
+# the generated man pages (default is the subroutine's section .3)
+
+MAN_EXTENSION          = .3
+
+# If the MAN_LINKS tag is set to YES and Doxygen generates man output,
+# then it will generate one additional man file for each entity
+# documented in the real man page(s). These additional files
+# only source the real man page, but without them the man command
+# would be unable to find the correct page. The default is NO.
+
+MAN_LINKS              = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES Doxygen will
+# generate an XML file that captures the structure of
+# the code including all documentation.
+
+GENERATE_XML           = NO
+
+# The XML_OUTPUT tag is used to specify where the XML pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `xml' will be used as the default path.
+
+XML_OUTPUT             = xml
+
+# The XML_SCHEMA tag can be used to specify an XML schema,
+# which can be used by a validating XML parser to check the
+# syntax of the XML files.
+
+XML_SCHEMA             =
+
+# The XML_DTD tag can be used to specify an XML DTD,
+# which can be used by a validating XML parser to check the
+# syntax of the XML files.
+
+XML_DTD                =
+
+# If the XML_PROGRAMLISTING tag is set to YES Doxygen will
+# dump the program listings (including syntax highlighting
+# and cross-referencing information) to the XML output. Note that
+# enabling this will significantly increase the size of the XML output.
+
+XML_PROGRAMLISTING     = YES
+
+#---------------------------------------------------------------------------
+# configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will
+# generate an AutoGen Definitions (see autogen.sf.net) file
+# that captures the structure of the code including all
+# documentation. Note that this feature is still experimental
+# and incomplete at the moment.
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES Doxygen will
+# generate a Perl module file that captures the structure of
+# the code including all documentation. Note that this
+# feature is still experimental and incomplete at the
+# moment.
+
+GENERATE_PERLMOD       = NO
+
+# If the PERLMOD_LATEX tag is set to YES Doxygen will generate
+# the necessary Makefile rules, Perl scripts and LaTeX code to be able
+# to generate PDF and DVI output from the Perl module output.
+
+PERLMOD_LATEX          = NO
+
+# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be
+# nicely formatted so it can be parsed by a human reader.
+# This is useful
+# if you want to understand what is going on.
+# On the other hand, if this
+# tag is set to NO the size of the Perl module output will be much smaller
+# and Perl will parse it just the same.
+
+PERLMOD_PRETTY         = YES
+
+# The names of the make variables in the generated doxyrules.make file
+# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX.
+# This is useful so different doxyrules.make files included by the same
+# Makefile don't overwrite each other's variables.
+
+PERLMOD_MAKEVAR_PREFIX =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor
+#---------------------------------------------------------------------------
+
+# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will
+# evaluate all C-preprocessor directives found in the sources and include
+# files.
+
+ENABLE_PREPROCESSING   = YES
+
+# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro
+# names in the source code. If set to NO (the default) only conditional
+# compilation will be performed. Macro expansion can be done in a controlled
+# way by setting EXPAND_ONLY_PREDEF to YES.
+
+MACRO_EXPANSION        = NO
+
+# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES
+# then the macro expansion is limited to the macros specified with the
+# PREDEFINED and EXPAND_AS_DEFINED tags.
+
+EXPAND_ONLY_PREDEF     = NO
+
+# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files
+# pointed to by INCLUDE_PATH will be searched when a #include is found.
+
+SEARCH_INCLUDES        = YES
+
+# The INCLUDE_PATH tag can be used to specify one or more directories that
+# contain include files that are not input files but should be processed by
+# the preprocessor.
+
+INCLUDE_PATH           =
+
+# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
+# patterns (like *.h and *.hpp) to filter out the header-files in the
+# directories. If left blank, the patterns specified with FILE_PATTERNS will
+# be used.
+
+INCLUDE_FILE_PATTERNS  =
+
+# The PREDEFINED tag can be used to specify one or more macro names that
+# are defined before the preprocessor is started (similar to the -D option of
+# gcc). The argument of the tag is a list of macros of the form: name
+# or name=definition (no spaces). If the definition and the = are
+# omitted =1 is assumed. To prevent a macro definition from being
+# undefined via #undef or recursively expanded use the := operator
+# instead of the = operator.
+
+PREDEFINED             =
+
+# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then
+# this tag can be used to specify a list of macro names that should be expanded.
+# The macro definition that is found in the sources will be used.
+# Use the PREDEFINED tag if you want to use a different macro definition that
+# overrules the definition found in the source code.
+
+EXPAND_AS_DEFINED      =
+
+# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then
+# doxygen's preprocessor will remove all references to function-like macros
+# that are alone on a line, have an all uppercase name, and do not end with a
+# semicolon, because these will confuse the parser if not removed.
+
+SKIP_FUNCTION_MACROS   = YES
+
+#---------------------------------------------------------------------------
+# Configuration::additions related to external references
+#---------------------------------------------------------------------------
+
+# The TAGFILES option can be used to specify one or more tagfiles. For each
+# tag file the location of the external documentation should be added. The
+# format of a tag file without this location is as follows:
+#
+# TAGFILES = file1 file2 ...
+# Adding location for the tag files is done as follows:
+#
+# TAGFILES = file1=loc1 "file2 = loc2" ...
+# where "loc1" and "loc2" can be relative or absolute paths
+# or URLs. Note that each tag file must have a unique name (where the name does
+# NOT include the path). If a tag file is not located in the directory in which
+# doxygen is run, you must also specify the path to the tagfile here.
+
+TAGFILES               =
+
+# When a file name is specified after GENERATE_TAGFILE, doxygen will create
+# a tag file that is based on the input files it reads.
+
+GENERATE_TAGFILE       =
+
+# If the ALLEXTERNALS tag is set to YES all external classes will be listed
+# in the class index. If set to NO only the inherited external classes
+# will be listed.
+
+ALLEXTERNALS           = NO
+
+# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed
+# in the modules index. If set to NO, only the current project's groups will
+# be listed.
+
+EXTERNAL_GROUPS        = YES
+
+# The PERL_PATH should be the absolute path and name of the perl script
+# interpreter (i.e. the result of `which perl').
+
+PERL_PATH              = /usr/bin/perl
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool
+#---------------------------------------------------------------------------
+
+# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will
+# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base
+# or super classes. Setting the tag to NO turns the diagrams off. Note that
+# this option also works with HAVE_DOT disabled, but it is recommended to
+# install and use dot, since it yields more powerful graphs.
+
+CLASS_DIAGRAMS         = YES
+
+# You can define message sequence charts within doxygen comments using the \msc
+# command. Doxygen will then run the mscgen tool (see
+# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the
+# documentation. The MSCGEN_PATH tag allows you to specify the directory where
+# the mscgen tool resides. If left empty the tool is assumed to be found in the
+# default search path.
+
+MSCGEN_PATH            =
+
+# If set to YES, the inheritance and collaboration graphs will hide
+# inheritance and usage relations if the target is undocumented
+# or is not a class.
+
+HIDE_UNDOC_RELATIONS   = YES
+
+# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
+# available from the path. This tool is part of Graphviz, a graph visualization
+# toolkit from AT&T and Lucent Bell Labs. The other options in this section
+# have no effect if this option is set to NO (the default)
+
+HAVE_DOT               = NO
+
+# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is
+# allowed to run in parallel. When set to 0 (the default) doxygen will
+# base this on the number of processors available in the system. You can set it
+# explicitly to a value larger than 0 to get control over the balance
+# between CPU load and processing speed.
+
+DOT_NUM_THREADS        = 0
+
+# By default doxygen will use the Helvetica font for all dot files that
+# doxygen generates. When you want a differently looking font you can specify
+# the font name using DOT_FONTNAME. You need to make sure dot is able to find
+# the font, which can be done by putting it in a standard location or by setting
+# the DOTFONTPATH environment variable or by setting DOT_FONTPATH to the
+# directory containing the font.
+
+DOT_FONTNAME           = Helvetica
+
+# The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs.
+# The default size is 10pt.
+
+DOT_FONTSIZE           = 10
+
+# By default doxygen will tell dot to use the Helvetica font.
+# If you specify a different font using DOT_FONTNAME you can use DOT_FONTPATH to
+# set the path where dot can find it.
+
+DOT_FONTPATH           =
+
+# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for each documented class showing the direct and
+# indirect inheritance relations. Setting this tag to YES will force the
+# CLASS_DIAGRAMS tag to NO.
+
+CLASS_GRAPH            = YES
+
+# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for each documented class showing the direct and
+# indirect implementation dependencies (inheritance, containment, and
+# class references variables) of the class with other documented classes.
+
+COLLABORATION_GRAPH    = YES
+
+# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for groups, showing the direct groups dependencies
+
+GROUP_GRAPHS           = YES
+
+# If the UML_LOOK tag is set to YES doxygen will generate inheritance and
+# collaboration diagrams in a style similar to the OMG's Unified Modeling
+# Language.
+
+UML_LOOK               = NO
+
+# If the UML_LOOK tag is enabled, the fields and methods are shown inside
+# the class node. If there are many fields or methods and many nodes the
+# graph may become too big to be useful. The UML_LIMIT_NUM_FIELDS
+# threshold limits the number of items for each type to make the size more
+# managable. Set this to 0 for no limit. Note that the threshold may be
+# exceeded by 50% before the limit is enforced.
+
+UML_LIMIT_NUM_FIELDS   = 10
+
+# If set to YES, the inheritance and collaboration graphs will show the
+# relations between templates and their instances.
+
+TEMPLATE_RELATIONS     = NO
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT
+# tags are set to YES then doxygen will generate a graph for each documented
+# file showing the direct and indirect include dependencies of the file with
+# other documented files.
+
+INCLUDE_GRAPH          = YES
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and
+# HAVE_DOT tags are set to YES then doxygen will generate a graph for each
+# documented header file showing the documented files that directly or
+# indirectly include this file.
+
+INCLUDED_BY_GRAPH      = YES
+
+# If the CALL_GRAPH and HAVE_DOT options are set to YES then
+# doxygen will generate a call dependency graph for every global function
+# or class method. Note that enabling this option will significantly increase
+# the time of a run. So in most cases it will be better to enable call graphs
+# for selected functions only using the \callgraph command.
+
+CALL_GRAPH             = NO
+
+# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then
+# doxygen will generate a caller dependency graph for every global function
+# or class method. Note that enabling this option will significantly increase
+# the time of a run. So in most cases it will be better to enable caller
+# graphs for selected functions only using the \callergraph command.
+
+CALLER_GRAPH           = NO
+
+# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen
+# will generate a graphical hierarchy of all classes instead of a textual one.
+
+GRAPHICAL_HIERARCHY    = YES
+
+# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES
+# then doxygen will show the dependencies a directory has on other directories
+# in a graphical way. The dependency relations are determined by the #include
+# relations between the files in the directories.
+
+DIRECTORY_GRAPH        = YES
+
+# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
+# generated by dot. Possible values are svg, png, jpg, or gif.
+# If left blank png will be used. If you choose svg you need to set
+# HTML_FILE_EXTENSION to xhtml in order to make the SVG files
+# visible in IE 9+ (other browsers do not have this requirement).
+
+DOT_IMAGE_FORMAT       = png
+
+# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
+# enable generation of interactive SVG images that allow zooming and panning.
+# Note that this requires a modern browser other than Internet Explorer.
+# Tested and working are Firefox, Chrome, Safari, and Opera. For IE 9+ you
+# need to set HTML_FILE_EXTENSION to xhtml in order to make the SVG files
+# visible. Older versions of IE do not have SVG support.
+
+INTERACTIVE_SVG        = NO
+
+# The tag DOT_PATH can be used to specify the path where the dot tool can be
+# found. If left blank, it is assumed the dot tool can be found in the path.
+
+DOT_PATH               =
+
+# The DOTFILE_DIRS tag can be used to specify one or more directories that
+# contain dot files that are included in the documentation (see the
+# \dotfile command).
+
+DOTFILE_DIRS           =
+
+# The MSCFILE_DIRS tag can be used to specify one or more directories that
+# contain msc files that are included in the documentation (see the
+# \mscfile command).
+
+MSCFILE_DIRS           =
+
+# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of
+# nodes that will be shown in the graph. If the number of nodes in a graph
+# becomes larger than this value, doxygen will truncate the graph, which is
+# visualized by representing a node as a red box. Note that doxygen if the
+# number of direct children of the root node in a graph is already larger than
+# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note
+# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH.
+
+DOT_GRAPH_MAX_NODES    = 50
+
+# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the
+# graphs generated by dot. A depth value of 3 means that only nodes reachable
+# from the root by following a path via at most 3 edges will be shown. Nodes
+# that lay further from the root node will be omitted. Note that setting this
+# option to 1 or 2 may greatly reduce the computation time needed for large
+# code bases. Also note that the size of a graph can be further restricted by
+# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
+
+MAX_DOT_GRAPH_DEPTH    = 0
+
+# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
+# background. This is disabled by default, because dot on Windows does not
+# seem to support this out of the box. Warning: Depending on the platform used,
+# enabling this option may lead to badly anti-aliased labels on the edges of
+# a graph (i.e. they become hard to read).
+
+DOT_TRANSPARENT        = NO
+
+# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output
+# files in one run (i.e. multiple -o and -T options on the command line). This
+# makes dot run faster, but since only newer versions of dot (>1.8.10)
+# support this, this feature is disabled by default.
+
+DOT_MULTI_TARGETS      = NO
+
+# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will
+# generate a legend page explaining the meaning of the various boxes and
+# arrows in the dot generated graphs.
+
+GENERATE_LEGEND        = YES
+
+# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will
+# remove the intermediate dot files that are used to generate
+# the various graphs.
+
+DOT_CLEANUP            = YES

Examples/SoilWaterStructureInteraction/dynsws/trunk/.svn/text-base/field_data.f90.svn-base

+! ------------------------------------------------------------------------
+!>  \brief Module for Field Data
+! ------------------------------------------------------------------------
+MODULE field_data
+USE system_constants      !> Global system constants
+USE log_message_control   !> Printing log/error messages
+USE log_messages          !> Log/error message and sender codes
+USE material_data         !> Material Property Data
+
+IMPLICIT NONE
+PRIVATE
+
+
+
+! ************************************************************************
+! EXPORTS
+! ************************************************************************
+
+
+!> Exported interfaces
+PUBLIC :: fld_initTime, fld_cleanTime, &
+          fld_timeStep, fld_numTimeSteps, &
+          fld_initNode, fld_cleanNode, &
+          fld_numNode, &
+          fld_getCoord, fld_setCoord, &
+          fld_getFix, fld_setFix, &
+          fld_initDof, fld_numDof, fld_getDof, &
+          fld_getDisp, fld_setDisp, &
+          fld_getVel, fld_setVel, &
+          fld_getAcc, fld_setAcc, &
+          fld_getBodyAcc, fld_setBodyAcc, &
+          fld_getStressNode, fld_setStressNode, &
+          fld_getStrainNode, fld_setStrainNode, &
+          fld_initElem, fld_cleanElem, &
+          fld_numElem, &
+          fld_getConnect, fld_setConnect, &
+          fld_volElem, &
+          fld_getMaterial, fld_setMaterial, &
+          fld_getStressElem, fld_setStressElem, &
+          fld_getStrainElem, fld_setStrainElem
+
+
+
+! ************************************************************************
+! LOCAL CONSTANTS
+! ************************************************************************
+
+!> sender code for this module
+INTEGER, PARAMETER :: sdr = FLDDAT
+
+!> subscripts for tensor variables
+INTEGER, PARAMETER, PUBLIC :: s11=1, s22=2, s12=3, s33=4
+
+
+
+! ************************************************************************
+! DATA TYPES
+! ************************************************************************
+
+
+! ------------------------------------------------------------------------
+!>  \brief Coordinate
+!!
+!!  \param x    Set of coordinates
+! ------------------------------------------------------------------------
+TYPE coordT
+  DOUBLE PRECISION, DIMENSION(NDIM) :: x
+END TYPE coordT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Displacement
+!!
+!!  \param u    Set of displacements
+! ------------------------------------------------------------------------
+TYPE dispT
+  DOUBLE PRECISION, DIMENSION(NDIM) :: u
+END TYPE dispT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Velocity
+!!
+!!  \param v    Set of velocities
+! ------------------------------------------------------------------------
+TYPE velT
+  DOUBLE PRECISION, DIMENSION(NDIM) :: v
+END TYPE velT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Acceleration
+!!
+!!  \param a    Set of accelerations
+! ------------------------------------------------------------------------
+TYPE accT
+  DOUBLE PRECISION, DIMENSION(NDIM) :: a
+END TYPE accT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Fixity
+!!
+!!  \param fix   Set of fixities
+! ------------------------------------------------------------------------
+TYPE fixT
+  LOGICAL, DIMENSION(NDIM) :: fix
+END TYPE fixT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Degrees of freedom
+!!
+!!  \param dof   Set of degree of freedom indices
+! ------------------------------------------------------------------------
+TYPE dofT
+  INTEGER, DIMENSION(NDIM) :: dof
+END TYPE dofT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Stress
+!!
+!!  \param sig   Set of stresses
+! ------------------------------------------------------------------------
+TYPE stressT
+  DOUBLE PRECISION, DIMENSION(NTNS) :: sig
+END TYPE stressT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Strain
+!!
+!!  \param eps   Set of strains
+! ------------------------------------------------------------------------
+TYPE strainT
+  DOUBLE PRECISION, DIMENSION(NTNS) :: eps
+END TYPE strainT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Connectivity
+!!
+!!  \param nd   Sequence of node indices
+! ------------------------------------------------------------------------
+TYPE connectT
+  INTEGER, DIMENSION(NNODEL) :: nd
+END TYPE connectT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Node
+!!
+!!  \param num      Node number
+!!  \param pt       Node coordinates
+!!  \param fix      Fixities
+!!  \param dof      Degrees of freedom
+!!  \param disp     Displacement
+!!  \param vel      Velocity
+!!  \param acc      Acceleration
+!!  \param body     Body acceleration
+!!  \param stress   Nodal stress
+!!  \param strain   Nodal strain
+! ------------------------------------------------------------------------
+TYPE nodeT
+  INTEGER       :: num
+  TYPE(coordT)  :: pt
+  TYPE(fixT)    :: fix
+  TYPE(dofT)    :: dof
+  TYPE(dispT)   :: disp
+  TYPE(velT)    :: vel
+  TYPE(accT)    :: acc
+  TYPE(accT)    :: body
+  TYPE(stressT) :: stress
+  TYPE(strainT) :: strain
+END TYPE nodeT
+
+
+! ------------------------------------------------------------------------
+!>  \brief Element
+!!
+!!  \param num      Element number
+!!  \param ico      Connectivity of local nodes
+!!  \param mtl      Material number
+!!  \param stress   Element stress
+!!  \param strain   Element strain
+! ------------------------------------------------------------------------
+TYPE elementT
+  INTEGER         :: num
+  TYPE(connectT)  :: ico
+  INTEGER         :: mtl
+  TYPE(stressT)   :: stress
+  TYPE(strainT)   :: strain
+END TYPE elementT
+
+
+
+! ************************************************************************
+! STATE VARIABLES
+! ************************************************************************
+
+DOUBLE PRECISION, SAVE        :: dTime        = 0.d0    !> time step
+INTEGER,          SAVE        :: nTime        = 0       !> number of time steps
+TYPE(nodeT),      ALLOCATABLE :: nodes(:)               !> set of nodes
+TYPE(elementT),   ALLOCATABLE :: elements(:)            !> set of body elements
+INTEGER,          SAVE        :: ndof         = 0       !> total number of degrees of freedom
+
+
+
+! ************************************************************************
+! INTERFACES
+! ************************************************************************
+
+
+!> \brief Interface to initializer for time-stepping information
+INTERFACE fld_initTime
+  MODULE PROCEDURE fld_init_time_
+  MODULE PROCEDURE fld_init_time_exc_
+END INTERFACE fld_initTime
+
+!> \brief Interface to destructor for time-stepping information
+INTERFACE fld_cleanTime
+  MODULE PROCEDURE fld_clean_time_
+END INTERFACE fld_cleanTime
+
+!> \brief Interface to getter for time step
+INTERFACE fld_timeStep
+  MODULE PROCEDURE fld_time_step_
+END INTERFACE fld_timeStep
+
+!> \brief Interface to getter for number of time steps
+INTERFACE fld_numTimeSteps
+  MODULE PROCEDURE fld_num_time_steps_
+END INTERFACE fld_numTimeSteps
+
+!> \brief Interface to initializer for node information
+INTERFACE fld_initNode
+  MODULE PROCEDURE fld_init_node_
+  MODULE PROCEDURE fld_init_node_exc_
+END INTERFACE fld_initNode
+
+!> \brief Interface to destructor for node information
+INTERFACE fld_cleanNode
+  MODULE PROCEDURE fld_clean_node_
+END INTERFACE fld_cleanNode
+
+!> \brief Interface to getter for number of nodes
+INTERFACE fld_numNode
+  MODULE PROCEDURE fld_num_node_
+END INTERFACE fld_numNode
+
+!> \brief Interface to getter for node coordinates
+INTERFACE fld_getCoord
+  MODULE PROCEDURE fld_get_coord_
+  MODULE PROCEDURE fld_get_coord_exc_
+END INTERFACE fld_getCoord
+
+!> \brief Interface to setter for node coordinates
+INTERFACE fld_setCoord
+  MODULE PROCEDURE fld_set_coord_
+  MODULE PROCEDURE fld_set_coord_exc_
+END INTERFACE fld_setCoord
+
+!> \brief Interface to getter for node fixity
+INTERFACE fld_getFix
+  MODULE PROCEDURE fld_get_fix_
+  MODULE PROCEDURE fld_get_fix_exc_
+END INTERFACE fld_getFix
+
+!> \brief Interface to setter for node fixity
+INTERFACE fld_setFix
+  MODULE PROCEDURE fld_set_fix_
+  MODULE PROCEDURE fld_set_fix_exc_
+END INTERFACE fld_setFix
+
+!> \brief Interface to initializer for degrees of freedom
+INTERFACE fld_initDof
+  MODULE PROCEDURE fld_init_dof_exc_
+END INTERFACE fld_initDof
+
+!> \brief Interface to getter for number of degrees of freedom
+INTERFACE fld_numDof
+  MODULE PROCEDURE fld_num_dof_
+END INTERFACE fld_numDof
+
+!> \brief Interface to getter for degree of freedom
+INTERFACE fld_getDof
+  MODULE PROCEDURE fld_get_dof_
+  MODULE PROCEDURE fld_get_dof_exc_
+END INTERFACE fld_getDof
+
+!> \brief Interface to getter for node displacement
+INTERFACE fld_getDisp
+  MODULE PROCEDURE fld_get_disp_
+  MODULE PROCEDURE fld_get_disp_exc_
+END INTERFACE fld_getDisp
+
+!> \brief Interface to setter for node displacement
+INTERFACE fld_setDisp
+  MODULE PROCEDURE fld_set_disp_
+  MODULE PROCEDURE fld_set_disp_exc_
+END INTERFACE fld_setDisp
+
+!> \brief Interface to getter for node velocity
+INTERFACE fld_getVel
+  MODULE PROCEDURE fld_get_vel_
+  MODULE PROCEDURE fld_get_vel_exc_
+END INTERFACE fld_getVel
+
+!> \brief Interface to setter for node velocity
+INTERFACE fld_setVel
+  MODULE PROCEDURE fld_set_vel_
+  MODULE PROCEDURE fld_set_vel_exc_
+END INTERFACE fld_setVel
+
+!> \brief Interface to getter for node acceleration
+INTERFACE fld_getAcc
+  MODULE PROCEDURE fld_get_acc_
+  MODULE PROCEDURE fld_get_acc_exc_
+END INTERFACE fld_getAcc
+
+!> \brief Interface to setter for node acceleration
+INTERFACE fld_setAcc
+  MODULE PROCEDURE fld_set_acc_
+  MODULE PROCEDURE fld_set_acc_exc_
+END INTERFACE fld_setAcc
+
+!> \brief Interface to getter for body acceleration at node
+INTERFACE fld_getBodyAcc
+  MODULE PROCEDURE fld_get_body_acc_
+  MODULE PROCEDURE fld_get_body_acc_exc_
+END INTERFACE fld_getBodyAcc
+
+!> \brief Interface to setter for body acceleration at node
+INTERFACE fld_setBodyAcc
+  MODULE PROCEDURE fld_set_body_acc_
+  MODULE PROCEDURE fld_set_body_acc_exc_
+END INTERFACE fld_setBodyAcc
+
+!> \brief Interface to getter for node stress
+INTERFACE fld_getStressNode
+  MODULE PROCEDURE fld_get_stress_node_
+  MODULE PROCEDURE fld_get_stress_node_exc_
+END INTERFACE fld_getStressNode
+
+!> \brief Interface to setter for node stress
+INTERFACE fld_setStressNode
+  MODULE PROCEDURE fld_set_stress_node_
+  MODULE PROCEDURE fld_set_stress_node_exc_
+END INTERFACE fld_setStressNode
+
+!> \brief Interface to getter for node strain
+INTERFACE fld_getStrainNode
+  MODULE PROCEDURE fld_get_strain_node_
+  MODULE PROCEDURE fld_get_strain_node_exc_
+END INTERFACE fld_getStrainNode
+
+!> \brief Interface to setter for node strain
+INTERFACE fld_setStrainNode
+  MODULE PROCEDURE fld_set_strain_node_
+  MODULE PROCEDURE fld_set_strain_node_exc_
+END INTERFACE fld_setStrainNode
+
+!> \brief Interface to initializer for elements
+INTERFACE fld_initElem
+  MODULE PROCEDURE fld_init_elem_
+  MODULE PROCEDURE fld_init_elem_exc_
+END INTERFACE fld_initElem
+
+!> \brief Interface to destructor for element information
+INTERFACE fld_cleanElem
+  MODULE PROCEDURE fld_clean_elem_
+END INTERFACE fld_cleanElem
+
+!> \brief Interface to getter for number of elements
+INTERFACE fld_numElem
+  MODULE PROCEDURE fld_num_elem_
+END INTERFACE fld_numElem
+
+!> \brief Interface to getter for element connectivity
+INTERFACE fld_getConnect
+  MODULE PROCEDURE fld_get_connect_
+  MODULE PROCEDURE fld_get_connect_exc_
+END INTERFACE fld_getConnect
+
+!> \brief Interface to setter for element connectivity
+INTERFACE fld_setConnect
+  MODULE PROCEDURE fld_set_connect_
+  MODULE PROCEDURE fld_set_connect_exc_
+END INTERFACE fld_setConnect
+
+!> \brief Interface to getter for volume of element
+INTERFACE fld_volElem
+  MODULE PROCEDURE fld_vol_elem_
+  MODULE PROCEDURE fld_vol_elem_exc_
+END INTERFACE fld_volElem
+
+!> \brief Interface to getter for element material
+INTERFACE fld_getMaterial
+  MODULE PROCEDURE fld_get_material_
+  MODULE PROCEDURE fld_get_material_exc_
+END INTERFACE fld_getMaterial
+
+!> \brief Interface to setter for element material
+INTERFACE fld_setMaterial
+  MODULE PROCEDURE fld_set_material_
+  MODULE PROCEDURE fld_set_material_exc_
+END INTERFACE fld_setMaterial
+
+!> \brief Interface to getter for element stress
+INTERFACE fld_getStressElem
+  MODULE PROCEDURE fld_get_stress_elem_
+  MODULE PROCEDURE fld_get_stress_elem_exc_
+END INTERFACE fld_getStressElem
+
+!> \brief Interface to setter for element stress
+INTERFACE fld_setStressElem
+  MODULE PROCEDURE fld_set_stress_elem_
+  MODULE PROCEDURE fld_set_stress_elem_exc_
+END INTERFACE fld_setStressElem
+
+!> \brief Interface to getter for element strain
+INTERFACE fld_getStrainElem
+  MODULE PROCEDURE fld_get_strain_elem_
+  MODULE PROCEDURE fld_get_strain_elem_exc_
+END INTERFACE fld_getStrainElem
+
+!> \brief Interface to setter for element strain
+INTERFACE fld_setStrainElem
+  MODULE PROCEDURE fld_set_strain_elem_
+  MODULE PROCEDURE fld_set_strain_elem_exc_
+END INTERFACE fld_setStrainElem
+
+
+
+CONTAINS
+
+
+
+! ************************************************************************
+! ACCESS PROGRAMS
+! ************************************************************************
+
+
+! ------------------------------------------------------------------------
+!>  \brief Initializer for time-stepping data (non-exception checking)
+!!
+!!  \param  dt  Time step
+!!  \param  n   Number of time steps
+!!
+!!  This routine sets the module state parameters for time step and total
+!!  number of time steps.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_init_time_ (dt,n)
+  DOUBLE PRECISION, INTENT(IN) :: dt
+  INTEGER, INTENT(IN) :: n
+
+  dTime = dt
+  nTime = n
+
+END SUBROUTINE fld_init_time_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Initializer for time-stepping data (exception checking)
+!!
+!!  \param  dt  Time step
+!!  \param  n   Number of time steps
+!!  \param  exc Error code
+!!
+!!  \exception  EXCEED  Size of time step or number of time steps exceed definined min/max values
+!!
+!!  This routine sets the module state parameters for time step and total
+!!  number of time steps.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_init_time_exc_ (dt,n, exc)
+  DOUBLE PRECISION, INTENT(IN) :: dt
+  INTEGER, INTENT(IN) :: n
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that time step and number of time steps are valid
+  IF (  dt.LT.DTIME_MIN .OR. dt.GT.DTIME_MAX  &
+        .OR. n.LT.1 .OR. n.GT.MAX_TIMESTEPS ) THEN
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    CALL fld_cleanTime()
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_initTime(dt,n)
+
+END SUBROUTINE fld_init_time_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Destructor for time-stepping data
+!!
+!!  This routine resets the module state parameters for time step and
+!!  total number of time steps to 0.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_clean_time_ ()
+
+  dTime = 0.d0
+  nTime = 0
+
+END SUBROUTINE fld_clean_time_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for size of time step
+!!
+!!  \return dt  Time step
+! ------------------------------------------------------------------------
+FUNCTION fld_time_step_ () RESULT(dt)
+  DOUBLE PRECISION :: dt
+
+  dt = dTime
+
+END FUNCTION fld_time_step_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for number of time steps
+!!
+!!  \return n   Number of time steps
+! ------------------------------------------------------------------------
+FUNCTION fld_num_time_steps_ () RESULT(n)
+  DOUBLE PRECISION :: n
+
+  n = nTime
+
+END FUNCTION fld_num_time_steps_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Constructor for node data (non-exception checking)
+!!
+!!  \param  nnod  Number of nodes
+!!
+!!  This routine allocates memory and initializes the state variable that
+!!  contains the set of nodes for the problem.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_init_node_ (nnod)
+  INTEGER, INTENT(IN) :: nnod
+  INTEGER :: i, j     !> loop variables
+
+  !> only reallocate if new dimensions do not match existing dimensions
+  IF (fld_numNode().NE.nnod) THEN
+
+    !> ensure state variable is clear
+    CALL fld_cleanNode()
+
+    !> allocate memory for node data state variable
+    ALLOCATE(nodes(nnod))
+
+  END IF
+
+  !> initialize state variable
+
+  ndof = 0
+
+  DO i = 1,nnod
+
+    !> node number
+    nodes(i)%num   = i
+
+    !> vector variables
+    DO j = 1,NDIM
+      nodes(i)%pt   %x(j)   = 0.d0
+      nodes(i)%fix  %fix(j) = .FALSE.
+      nodes(i)%dof  %dof(j) = 0
+      nodes(i)%disp %u(j)   = 0.d0
+      nodes(i)%vel  %v(j)   = 0.d0
+      nodes(i)%acc  %a(j)   = 0.d0
+      nodes(i)%body %a(j)   = 0.d0
+    END DO
+
+    !> tensor variables
+    DO j = 1,NTNS
+      nodes(i)%stress%sig(j) = 0.d0
+      nodes(i)%strain%eps(j) = 0.d0
+    END DO
+
+  END DO
+
+END SUBROUTINE fld_init_node_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Constructor for node data (exception checking)
+!!
+!!  \param  nnod  Number of nodes
+!!  \param  exc   Error code
+!!
+!!  \exception  ALLOC Failed to allocate memory for node data
+!!  \exception  SZE   Specified number of nodes is invalid
+!!
+!!  This routine allocates memory and initializes the state variable that
+!!  contains the set of nodes for the problem.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_init_node_exc_ (nnod, exc)
+  INTEGER, INTENT(IN) :: nnod
+  INTEGER, INTENT(OUT) :: exc
+  INTEGER :: e        !> status code for memory allocation
+  INTEGER :: i, j     !> loop variables
+
+  !> make sure number of nodes is valid
+  IF (nnod.LT.1 .OR. nnod.GT.MAX_NODES) THEN
+    exc=SZE
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> only reallocate if new dimensions do not match existing dimensions
+  IF (fld_numNode().NE.nnod) THEN
+
+    !> ensure state variable is clear
+    CALL fld_cleanNode()
+
+    !> allocate memory for node data state variable
+    ALLOCATE(nodes(nnod), STAT=e)
+
+    !> make sure memory allocation was successful
+    IF (e.NE.0) THEN
+      exc=ALLOC
+      CALL log_printLogMsg(exc,sdr)
+      RETURN
+    ELSE
+      exc=OK
+    END IF
+
+  END IF
+
+  !> initialize state variable
+
+  ndof = 0
+
+  DO i = 1,nnod
+
+    !> node number
+    nodes(i)%num   = i
+
+    !> vector variables
+    DO j = 1,NDIM
+      nodes(i)%pt   %x(j)   = 0.d0
+      nodes(i)%fix  %fix(j) = .FALSE.
+      nodes(i)%dof  %dof(j) = 0
+      nodes(i)%disp %u(j)   = 0.d0
+      nodes(i)%vel  %v(j)   = 0.d0
+      nodes(i)%acc  %a(j)   = 0.d0
+      nodes(i)%body %a(j)   = 0.d0
+    END DO
+
+    !> tensor variables
+    DO j = 1,NTNS
+      nodes(i)%stress%sig(j) = 0.d0
+      nodes(i)%strain%eps(j) = 0.d0
+    END DO
+
+  END DO
+
+END SUBROUTINE fld_init_node_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Destructor for node data
+!!
+!!  This routine clears the memory allocated to the state variable that
+!!  contains the set of node data for the problem. It also resets the
+!!  degree of freedom counter (since there cannot be degrees of freedom
+!!  without nodes).
+! ------------------------------------------------------------------------
+SUBROUTINE fld_clean_node_ ()
+
+  IF (ALLOCATED(nodes)) DEALLOCATE(nodes)
+
+  ndof = 0
+
+END SUBROUTINE fld_clean_node_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for number of nodes
+!!
+!!  \return nnod  Number of nodes
+!!
+!!  This routine determines the number of data entries that have been
+!!  allocated for node data. It does not check that the node data
+!!  has been populated (i.e. changed from initial zero values).
+! ------------------------------------------------------------------------
+FUNCTION fld_num_node_ () RESULT(nnod)
+  INTEGER :: nnod
+
+  !> if data is initialized, return number of nodes
+  IF (ALLOCATED(nodes)) THEN
+    nnod = SIZE(nodes)
+  ELSE
+    nnod = 0   !> if not initialized, there are no nodes
+  END IF
+
+END FUNCTION fld_num_node_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node coordinates (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!
+!!  \return x     Coordinate value
+!!
+!!  This routine determines the value of the coordinate for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_coord_ (i,j) RESULT(x)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: x
+
+  x = nodes(i)%pt%x(j)
+
+END FUNCTION fld_get_coord_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node coordinates (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  exc   Error code
+!!
+!!  \return x     Coordinate value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    coordinate index is not in [1..NDIM]
+!!
+!!  This routine determines the value of the coordinate for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_coord_exc_ (i,j, exc) RESULT(x)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: x
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    x = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  x = fld_getCoord(i,j)
+
+END FUNCTION fld_get_coord_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node coordinates (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  x     Coordinate value
+!!
+!!  This routine sets the value of the coordinate for node number i in
+!!  coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_coord_ (i,j, x)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: x
+
+  nodes(i)%pt%x(j) = x
+
+END SUBROUTINE fld_set_coord_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node coordinates (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  x     Coordinate value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the coordinate exceeds prescribed
+!!                      limits
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the coordinate index is not in [1..NDIM]
+!!
+!!  This routine sets the value of the coordinate for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_coord_exc_ (i,j, x, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: x
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (x.LT.COORD_MIN .OR. x.GT.COORD_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setCoord(i,j, x)
+
+END SUBROUTINE fld_set_coord_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for fixities (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!
+!!  \return fix   Fixity value
+!!
+!!  This routine determines the value of the fixity for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_fix_ (i,j) RESULT(fix)
+  INTEGER, INTENT(IN) :: i,j
+  LOGICAL :: fix
+
+  fix = nodes(i)%fix%fix(j)
+
+END FUNCTION fld_get_fix_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for fixities (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  exc   Error code
+!!
+!!  \return fix   Fixity value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    coordinate index is not in [1..NDIM]
+!!
+!!  This routine determines the value of the fixity for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_fix_exc_ (i,j, exc) RESULT(fix)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  LOGICAL :: fix
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    fix = .FALSE.
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  fix = fld_getFix(i,j)
+
+END FUNCTION fld_get_fix_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for fixities (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  fix   Fixity value
+!!
+!!  This routine sets the value of the fixity for node number i in
+!!  coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_fix_ (i,j, fix)
+  INTEGER, INTENT(IN) :: i,j
+  LOGICAL, INTENT(IN) :: fix
+
+  nodes(i)%fix%fix(j) = fix
+
+END SUBROUTINE fld_set_fix_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for fixities (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  fix   Fixity value
+!!  \param  exc   Error code
+!!
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the coordinate index is not in [1..NDIM]
+!!
+!!  This routine sets the value of the coordinate for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_fix_exc_ (i,j, fix, exc)
+  INTEGER, INTENT(IN) :: i,j
+  LOGICAL, INTENT(IN) :: fix
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setFix(i,j, fix)
+
+END SUBROUTINE fld_set_fix_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Initializer for nodal degrees of freedom
+!!
+!!  \param  exc   Error code
+!!
+!!  \exception  SZE   The number of degrees of freedom exceeds the maximum
+!!                    defined in the System Constants module
+! ------------------------------------------------------------------------
+SUBROUTINE fld_init_dof_exc_ (exc)
+  INTEGER, INTENT(OUT), OPTIONAL :: exc
+  INTEGER :: i,j    !> loop variables
+
+  !> initialize degree of freedom counter
+  ndof = 0
+
+  !> loop through nodes, setting dof number for unfixed dofs
+  DO i = 1,fld_numNode()
+    DO j = 1,NDIM
+
+      !> if dof is fixed, set dof number to 0
+      IF ( fld_getFix(i,j) ) THEN
+
+        nodes(i)%dof%dof(j) = 0
+
+      !> otherwise, increment dof counter and set dof number
+      ELSE
+
+        ndof = ndof+1
+
+        !> make sure number of dofs does not exceed limit
+        IF (PRESENT(exc) .AND. ndof.GT.MAX_DOFS) THEN
+          exc=SZE
+          CALL log_printLogMsg(exc,sdr)
+          ndof = 0
+          RETURN
+        END IF
+
+        nodes(i)%dof%dof(j) = ndof
+
+      END IF
+
+    END DO
+  END DO
+
+  !> if the loop completed without returning, no exception was raised
+  IF (PRESENT(exc)) exc=OK
+
+END SUBROUTINE fld_init_dof_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for number of degrees of freedom
+!!
+!!  \return n  Number of degrees of freedom
+!!
+!!  This routine determines the number of degrees of freedom for the
+!!  system.
+! ------------------------------------------------------------------------
+FUNCTION fld_num_dof_ () RESULT(n)
+  INTEGER :: n
+
+  n = ndof
+
+END FUNCTION fld_num_dof_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for degree of freedom (non-exception checking)
+!!
+!!  \param  i   Node number
+!!  \param  j   Coordinate index
+!!
+!!  \return dof Degree of freedom number
+!!
+!!  This routine determines the index number associated with degree of
+!!  freedom j for node i. Note that a return value of 0 indicates that the
+!!  degree of freedom is fixed (and will not be necessary for the solution
+!!  of the system).
+! ------------------------------------------------------------------------
+FUNCTION fld_get_dof_ (i,j) RESULT(dof)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER :: dof
+
+  dof = nodes(i)%dof%dof(j)
+
+END FUNCTION fld_get_dof_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for degree of freedom (exception checking)
+!!
+!!  \param  i   Node number
+!!  \param  j   Coordinate index
+!!  \param  exc Error code
+!!
+!!  \return dof Degree of freedom number
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    coordinate index is not in [1..NDIM]
+!!
+!!  This routine determines the index number associated with degree of
+!!  freedom j for node i. Note that a return value of 0 indicates that the
+!!  degree of freedom is fixed (and will not be necessary for the solution
+!!  of the system).
+! ------------------------------------------------------------------------
+FUNCTION fld_get_dof_exc_ (i,j, exc) RESULT(dof)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  INTEGER :: dof
+
+  !> check that the given indices are valid
+  IF (  i.LT.1 .OR. i.GT.fld_numNode()  &
+        .OR. j.LT.1 .OR. j.GT.NDIM )    THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    dof=0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> make sure dofs have been initialized
+  IF (ndof.EQ.0) THEN
+    dof=0
+  ELSE
+    !> call non-exception version
+    dof = fld_getDof(i,j)
+  END IF
+
+END FUNCTION fld_get_dof_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node displacements (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!
+!!  \return u     Displacement value
+!!
+!!  This routine determines the value of the displacement for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_disp_ (i,j) RESULT(u)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: u
+
+  u = nodes(i)%disp%u(j)
+
+END FUNCTION fld_get_disp_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node displacements (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  exc   Error code
+!!
+!!  \return u     Displacement value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    coordinate index is not in [1..NDIM]
+!!
+!!  This routine determines the value of the displacement for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_disp_exc_ (i,j, exc) RESULT(u)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: u
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    u = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  u = fld_getDisp(i,j)
+
+END FUNCTION fld_get_disp_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node displacements (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  u     Displacement value
+!!
+!!  This routine sets the value of the displacement for node number i in
+!!  coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_disp_ (i,j, u)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: u
+
+  nodes(i)%disp%u(j) = u
+
+END SUBROUTINE fld_set_disp_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node displacements (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  u     Displacement value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the displacement exceeds prescribed
+!!                      limits
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the coordinate index is not in [1..NDIM]
+!!
+!!  This routine sets the value of the displacement for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_disp_exc_ (i,j, u, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: u
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (u.LT.DISP_MIN .OR. u.GT.DISP_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setDisp(i,j, u)
+
+END SUBROUTINE fld_set_disp_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node velocities (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!
+!!  \return v     Velocity value
+!!
+!!  This routine determines the value of the velocity for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_vel_ (i,j) RESULT(v)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: v
+
+  v = nodes(i)%vel%v(j)
+
+END FUNCTION fld_get_vel_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node velocities (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  exc   Error code
+!!
+!!  \return v     Velocity value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    coordinate index is not in [1..NDIM]
+!!
+!!  This routine determines the value of the velocity for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_vel_exc_ (i,j, exc) RESULT(v)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: v
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    v = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  v = fld_getVel(i,j)
+
+END FUNCTION fld_get_vel_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node velocities (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  v     Velocity value
+!!
+!!  This routine sets the value of the velocity for node number i in
+!!  coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_vel_ (i,j, v)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: v
+
+  nodes(i)%vel%v(j) = v
+
+END SUBROUTINE fld_set_vel_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node velocities (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  v     Velocity value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the velocity exceeds prescribed
+!!                      limits
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the coordinate index is not in [1..NDIM]
+!!
+!!  This routine sets the value of the velocity for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_vel_exc_ (i,j, v, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: v
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (v.LT.VEL_MIN .OR. v.GT.VEL_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setVel(i,j, v)
+
+END SUBROUTINE fld_set_vel_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node accelerations (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!
+!!  \return a     Acceleration value
+!!
+!!  This routine determines the value of the acceleration for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_acc_ (i,j) RESULT(a)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: a
+
+  a = nodes(i)%acc%a(j)
+
+END FUNCTION fld_get_acc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node accelerations (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  exc   Error code
+!!
+!!  \return a     Acceleration value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    coordinate index is not in [1..NDIM]
+!!
+!!  This routine determines the value of the acceleration for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_acc_exc_ (i,j, exc) RESULT(a)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: a
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    a = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  a = fld_getAcc(i,j)
+
+END FUNCTION fld_get_acc_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node accelerations (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  a     Acceleration value
+!!
+!!  This routine sets the value of the acceleration for node number i in
+!!  coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_acc_ (i,j, a)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: a
+
+  nodes(i)%acc%a(j) = a
+
+END SUBROUTINE fld_set_acc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node accelerations (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  a     Acceleration value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the acceleration exceeds prescribed
+!!                      limits
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the coordinate index is not in [1..NDIM]
+!!
+!!  This routine sets the value of the acceleration for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_acc_exc_ (i,j, a, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: a
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (a.LT.ACC_MIN .OR. a.GT.ACC_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setAcc(i,j, a)
+
+END SUBROUTINE fld_set_acc_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node body accelerations (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!
+!!  \return a     Body acceleration value
+!!
+!!  This routine determines the value of the body acceleration for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_body_acc_ (i,j) RESULT(a)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: a
+
+  a = nodes(i)%body%a(j)
+
+END FUNCTION fld_get_body_acc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node body accelerations (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  exc   Error code
+!!
+!!  \return a     Body acceleration value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    coordinate index is not in [1..NDIM]
+!!
+!!  This routine determines the value of the body acceleration for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_body_acc_exc_ (i,j, exc) RESULT(a)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: a
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    a = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  a = fld_getBodyAcc(i,j)
+
+END FUNCTION fld_get_body_acc_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node body accelerations (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  a     Body acceleration value
+!!
+!!  This routine sets the value of the body acceleration for node number i
+!!  in coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_body_acc_ (i,j, a)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: a
+
+  nodes(i)%body%a(j) = a
+
+END SUBROUTINE fld_set_body_acc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node body accelerations (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Coordinate index
+!!  \param  a     Body acceleration value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the body acceleration exceeds
+!!                      prescribed limits
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the coordinate index is not in [1..NDIM]
+!!
+!!  This routine sets the value of the body acceleration for node
+!!  number i in coordinate direction j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_body_acc_exc_ (i,j, a, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: a
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the coordinate index is within [1..NDIM]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NDIM ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (a.LT.ACC_MIN .OR. a.GT.ACC_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setBodyAcc(i,j, a)
+
+END SUBROUTINE fld_set_body_acc_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node stresses (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!
+!!  \return s     Stress value
+!!
+!!  This routine determines the value of the stress for node
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_stress_node_ (i,j) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: s
+
+  s = nodes(i)%stress%sig(j)
+
+END FUNCTION fld_get_stress_node_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node stresses (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!  \param  exc   Error code
+!!
+!!  \return s     Stress value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    tensor index is not in [1..NTNS]
+!!
+!!  This routine determines the value of the stress for node
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_stress_node_exc_ (i,j, exc) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: s
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    s = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  s = fld_getStressNode(i,j)
+
+END FUNCTION fld_get_stress_node_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node stresses (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!  \param  s     Stress value
+!!
+!!  This routine sets the value of the stress for node number i
+!!  for tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_stress_node_ (i,j, s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+
+  nodes(i)%stress%sig(j) = s
+
+END SUBROUTINE fld_set_stress_node_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node stresses (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!  \param  s     Stress value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the stress exceeds prescribed limits
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the tensor index is not in [1..NTNS]
+!!
+!!  This routine sets the value of the stress for node number i for
+!!  tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_stress_node_exc_ (i,j, s, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (s.LT.SIG_MIN .OR. s.GT.SIG_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setStressNode(i,j, s)
+
+END SUBROUTINE fld_set_stress_node_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node strains (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!
+!!  \return s     Strain value
+!!
+!!  This routine determines the value of the strain for node
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_strain_node_ (i,j) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: s
+
+  s = nodes(i)%strain%eps(j)
+
+END FUNCTION fld_get_strain_node_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for node strains (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!  \param  exc   Error code
+!!
+!!  \return s     Strain value
+!!
+!!  \exception  POSIT The node number is not in [1..fld_numNode()] or the
+!!                    tensor index is not in [1..NTNS]
+!!
+!!  This routine determines the value of the strain for node
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_strain_node_exc_ (i,j, exc) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: s
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    s = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  s = fld_getStrainNode(i,j)
+
+END FUNCTION fld_get_strain_node_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node strains (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!  \param  s     Strain value
+!!
+!!  This routine sets the value of the strain for node number i
+!!  for tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_strain_node_ (i,j, s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+
+  nodes(i)%strain%eps(j) = s
+
+END SUBROUTINE fld_set_strain_node_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for node strains (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Tensor index
+!!  \param  s     Strain value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the strain exceeds prescribed limits
+!!  \exception  POSIT   The node number is not in [1..fld_numNode()] or
+!!                      the tensor index is not in [1..NTNS]
+!!
+!!  This routine sets the value of the strain for node number i for
+!!  tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_strain_node_exc_ (i,j, s, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the node number is within the bounds of the nodes list
+  !!  and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numNode() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (s.LT.STR_MIN .OR. s.GT.STR_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setStrainNode(i,j, s)
+
+END SUBROUTINE fld_set_strain_node_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Constructor for element data (non-exception checking)
+!!
+!!  \param  nel  Number of elements
+!!
+!!  This routine allocates memory and initializes the state variable that
+!!  contains the set of elements for the problem.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_init_elem_ (nel)
+  INTEGER, INTENT(IN) :: nel
+  INTEGER :: i, j     !> loop variables
+
+  !> only reallocate if new dimensions do not match existing dimensions
+  IF (fld_numElem().NE.nel) THEN
+
+    !> ensure state variable is clear
+    CALL fld_cleanElem()
+
+    !> allocate memory for element data state variable
+    ALLOCATE(elements(nel))
+
+  END IF
+
+  !> initialize state variable
+  DO i = 1,nel
+
+    !> element number
+    elements(i)%num   = i
+
+    !> material number
+    elements(i)%mtl = 0
+
+    !> connectivity
+    DO j = 1,NNODEL
+      elements(i)%ico%nd(j)   = 0
+    END DO
+
+    !> tensor variables
+    DO j = 1,NTNS
+      elements(i)%stress%sig(j) = 0.d0
+      elements(i)%strain%eps(j) = 0.d0
+    END DO
+
+  END DO
+
+END SUBROUTINE fld_init_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Constructor for element data (exception checking)
+!!
+!!  \param  nel   Number of elements
+!!  \param  exc   Error code
+!!
+!!  \exception  ALLOC Failed to allocate memory for element data
+!!  \exception  SZE   Specified number of elements is invalid
+!!
+!!  This routine allocates memory and initializes the state variable that
+!!  contains the set of elements for the problem.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_init_elem_exc_ (nel, exc)
+  INTEGER, INTENT(IN) :: nel
+  INTEGER, INTENT(OUT) :: exc
+  INTEGER :: e        !> status code for memory allocation
+  INTEGER :: i, j     !> loop variables
+
+  !> make sure number of elements is valid
+  IF (nel.LT.1 .OR. nel.GT.MAX_ELEMENTS) THEN
+    exc=SZE
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> only reallocate if new dimensions do not match existing dimensions
+  IF (fld_numElem().NE.nel) THEN
+
+    !> ensure state variable is clear
+    CALL fld_cleanElem()
+
+    !> allocate memory for element data state variable
+    ALLOCATE(elements(nel), STAT=e)
+
+    !> make sure memory allocation was successful
+    IF (e.NE.0) THEN
+      exc=ALLOC
+      CALL log_printLogMsg(exc,sdr)
+      RETURN
+    ELSE
+      exc=OK
+    END IF
+
+  END IF
+
+  !> initialize state variable
+  DO i = 1,nel
+
+    !> element number
+    elements(i)%num   = i
+
+    !> material number
+    elements(i)%mtl = 0
+
+    !> connectivity
+    DO j = 1,NNODEL
+      elements(i)%ico%nd(j)   = 0
+    END DO
+
+    !> tensor variables
+    DO j = 1,NTNS
+      elements(i)%stress%sig(j) = 0.d0
+      elements(i)%strain%eps(j) = 0.d0
+    END DO
+
+  END DO
+
+END SUBROUTINE fld_init_elem_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Destructor for element data
+!!
+!!  This routine clears the memory allocated to the state variable that
+!!  contains the set of element data for the problem.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_clean_elem_ ()
+
+  IF (ALLOCATED(elements)) DEALLOCATE(elements)
+
+END SUBROUTINE fld_clean_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for number of elements
+!!
+!!  \return nel  Number of elements
+!!
+!!  This routine determines the number of data entries that have been
+!!  allocated for element data. It does not check that the element data
+!!  has been populated (i.e. changed from initial zero values).
+! ------------------------------------------------------------------------
+FUNCTION fld_num_elem_ () RESULT(nel)
+  INTEGER :: nel
+
+  !> if data is initialized, return number of elements
+  IF (ALLOCATED(elements)) THEN
+    nel = SIZE(elements)
+  ELSE
+    nel = 0   !> if not initialized, there are no elements
+  END IF
+
+END FUNCTION fld_num_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for connectivity (non-exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Local node index
+!!
+!!  \return n     Global node number
+!!
+!!  This routine determines the global node number associated with local
+!!  node j for element i.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_connect_ (i,j) RESULT(n)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER :: n
+
+  n = elements(i)%ico%nd(j)
+
+END FUNCTION fld_get_connect_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for connectivity (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Local node index
+!!  \param  exc   Error code
+!!
+!!  \return n     Global node number
+!!
+!!  \exception  POSIT The element number is not in [1..fld_numElem()] or
+!!                    the local node index is not in [1..NNODEL]
+!!
+!!  This routine determines the global node number associated with local
+!!  node j for element i.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_connect_exc_ (i,j, exc) RESULT(n)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  INTEGER :: n
+
+  !> check that the element number is within the bounds of the elements
+  !! list and that the local node index is within [1..NNODEL]
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() &
+        .OR. j.LT.1 .OR. j.GT.NNODEL ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    n = 0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  n = fld_getConnect(i,j)
+
+END FUNCTION fld_get_connect_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for connectivity (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Local node index
+!!  \param  n     Global node number
+!!
+!!  This routine sets the global node number associated with local
+!!  node j for element i.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_connect_ (i,j, n)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(IN) :: n
+
+  elements(i)%ico%nd(j) = n
+
+END SUBROUTINE fld_set_connect_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for connectivity (exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  j     Local node index
+!!  \param  n     Global node number
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the node number exceeds the number of
+!!                      nodes
+!!  \exception  POSIT   The element number is not in [1..fld_numElem()] or
+!!                      the local node index is not in [1..NNODEL]
+!!
+!!  This routine sets the global node number associated with local
+!!  node j for element i.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_connect_exc_ (i,j, n, exc)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(IN) :: n
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the element number is within the bounds of the elements
+  !! list and that the local node index is within [1..NNODEL]
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() &
+        .OR. j.LT.1 .OR. j.GT.NNODEL ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (n.LT.1 .OR. n.GT.fld_numNode()) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setConnect(i,j, n)
+
+END SUBROUTINE fld_set_connect_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Compute the volume of an element (non-exception checking)
+!!
+!!  \param  i     Element number
+!!
+!!  \return vol   Volume of element
+!!
+!!  This routine computes the volume of a body element. Note that for a
+!!  2-D plane strain element this is equivalent to the area of the element
+!!  (considering a unit thickness). This is computed as the following
+!!  determinant:
+!!
+!!    V   =  0.5 *  | x1  y1  1 |
+!!                  | x2  y2  1 |
+!!                  | x3  y3  1 |
+!!
+!!  where xj and yj are the (x,y) coordinates of node j of element i.
+! ------------------------------------------------------------------------
+FUNCTION fld_vol_elem_ (i) RESULT(vol)
+  INTEGER, INTENT(IN) :: i
+  DOUBLE PRECISION :: vol
+  DOUBLE PRECISION, DIMENSION(NNODEL,NDIM) :: x  !> element coords
+  INTEGER :: j,k    !> loop variable
+
+  !> get element coords
+  DO k = 1,NDIM
+    DO j = 1,NNODEL
+      x(j,k) = fld_getCoord(elements(i)%ico%nd(j), k)
+    END DO
+  END DO
+
+  !> compute volume
+  vol = ( x(1,1)*x(2,2) - x(2,1)*x(1,2) )   &
+        - ( x(1,1)*x(3,2) - x(3,1)*x(1,2) ) &
+        + ( x(2,1)*x(3,2) - x(3,1)*x(2,2) )
+
+  vol = 0.5d0 * vol
+
+END FUNCTION fld_vol_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Compute the volume of an element (exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  exc   Error code
+!!
+!!  \return vol   Volume of element
+!!
+!!  \exception  POSIT   The specified element number is not within the
+!!                      range [1..fld_numElem()]
+!!
+!!  This routine computes the volume of a body element. Note that for a
+!!  2-D plane strain element this is equivalent to the area of the element
+!!  (considering a unit thickness). This is computed as the following
+!!  determinant:
+!!
+!!    V   =  0.5 *  | x1  y1  1 |
+!!                  | x2  y2  1 |
+!!                  | x3  y3  1 |
+!!
+!!  where xj and yj are the (x,y) coordinates of node j of element i.
+! ------------------------------------------------------------------------
+FUNCTION fld_vol_elem_exc_ (i, exc) RESULT(vol)
+  INTEGER, INTENT(IN) :: i
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: vol
+
+  !> make sure the element number is valid
+  IF (i.LT.1 .OR. i.GT.fld_numElem()) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    vol = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  vol = fld_volElem(i)
+
+END FUNCTION fld_vol_elem_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for material (non-exception checking)
+!!
+!!  \param  i     Element number
+!!
+!!  \return m     Material number
+!!
+!!  This routine determines the material number associated with element i
+! ------------------------------------------------------------------------
+FUNCTION fld_get_material_ (i) RESULT(m)
+  INTEGER, INTENT(IN) :: i
+  INTEGER :: m
+
+  m = elements(i)%mtl
+
+END FUNCTION fld_get_material_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for material (exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  exc   Error code
+!!
+!!  \return m     Material number
+!!
+!!  \exception  POSIT The element number is not in [1..fld_numElem()]
+!!
+!!  This routine determines the material number associated with element i
+! ------------------------------------------------------------------------
+FUNCTION fld_get_material_exc_ (i, exc) RESULT(m)
+  INTEGER, INTENT(IN) :: i
+  INTEGER, INTENT(OUT) :: exc
+  INTEGER :: m
+
+  !> check that the element number is within the bounds of the elements
+  !! list
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    m = 0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  m = fld_getMaterial(i)
+
+END FUNCTION fld_get_material_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for material (non-exception checking)
+!!
+!!  \param  i     Node number
+!!  \param  m     Material number
+!!
+!!  This routine sets the material number associated with element i.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_material_ (i, m)
+  INTEGER, INTENT(IN) :: i
+  INTEGER, INTENT(IN) :: m
+
+  elements(i)%mtl = m
+
+END SUBROUTINE fld_set_material_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for material (exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  n     Material number
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the material number exceeds the
+!!                      number of materials
+!!  \exception  POSIT   The element number is not in [1..fld_numElem()]
+!!
+!!  This routine sets the material number associated with element i.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_material_exc_ (i, m, exc)
+  INTEGER, INTENT(IN) :: i
+  INTEGER, INTENT(IN) :: m
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the element number is within the bounds of the elements
+  !! list
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (m.LT.1 .OR. m.GT.mtl_numMtl()) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setMaterial(i, m)
+
+END SUBROUTINE fld_set_material_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for element stresses (non-exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!
+!!  \return s     Stress value
+!!
+!!  This routine determines the value of the stress for element
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_stress_elem_ (i,j) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: s
+
+  s = elements(i)%stress%sig(j)
+
+END FUNCTION fld_get_stress_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for element stresses (exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!  \param  exc   Error code
+!!
+!!  \return s     Stress value
+!!
+!!  \exception  POSIT The element number is not in [1..fld_numElem()] or
+!!                    the tensor index is not in [1..NTNS]
+!!
+!!  This routine determines the value of the stress for element
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_stress_elem_exc_ (i,j, exc) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: s
+
+  !> check that the element number is within the bounds of the elements
+  !! list and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    s = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  s = fld_getStressElem(i,j)
+
+END FUNCTION fld_get_stress_elem_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for element stresses (non-exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!  \param  s     Stress value
+!!
+!!  This routine sets the value of the stress for element number i
+!!  for tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_stress_elem_ (i,j, s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+
+  elements(i)%stress%sig(j) = s
+
+END SUBROUTINE fld_set_stress_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for element stresses (exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!  \param  s     Stress value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the stress exceeds prescribed limits
+!!  \exception  POSIT   The element number is not in [1..fld_numElem()] or
+!!                      the tensor index is not in [1..NTNS]
+!!
+!!  This routine sets the value of the stress for node number i for
+!!  tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_stress_elem_exc_ (i,j, s, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the element number is within the bounds of the elements
+  !! list and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (s.LT.SIG_MIN .OR. s.GT.SIG_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setStressElem(i,j, s)
+
+END SUBROUTINE fld_set_stress_elem_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for element strains (non-exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!
+!!  \return s     Strain value
+!!
+!!  This routine determines the value of the strain for element
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_strain_elem_ (i,j) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION :: s
+
+  s = elements(i)%strain%eps(j)
+
+END FUNCTION fld_get_strain_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Getter for element strains (exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!  \param  exc   Error code
+!!
+!!  \return s     Strain value
+!!
+!!  \exception  POSIT The element number is not in [1..fld_numElem()] or
+!!                    the tensor index is not in [1..NTNS]
+!!
+!!  This routine determines the value of the strain for element
+!!  number i for tensor index j.
+! ------------------------------------------------------------------------
+FUNCTION fld_get_strain_elem_exc_ (i,j, exc) RESULT(s)
+  INTEGER, INTENT(IN) :: i,j
+  INTEGER, INTENT(OUT) :: exc
+  DOUBLE PRECISION :: s
+
+  !> check that the element number is within the bounds of the elements
+  !! list and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    s = 0.d0
+    RETURN
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  s = fld_getStrainElem(i,j)
+
+END FUNCTION fld_get_strain_elem_exc_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for element strains (non-exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!  \param  s     Strain value
+!!
+!!  This routine sets the value of the strain for element number i
+!!  for tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_strain_elem_ (i,j, s)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+
+  elements(i)%strain%eps(j) = s
+
+END SUBROUTINE fld_set_strain_elem_
+
+
+! ------------------------------------------------------------------------
+!>  \brief Setter for element strains (exception checking)
+!!
+!!  \param  i     Element number
+!!  \param  j     Tensor index
+!!  \param  s     Strain value
+!!  \param  exc   Error code
+!!
+!!  \exception  EXCEED  The value of the strain exceeds prescribed limits
+!!  \exception  POSIT   The element number is not in [1..fld_numElem()] or
+!!                      the tensor index is not in [1..NTNS]
+!!
+!!  This routine sets the value of the strain for element number i for
+!!  tensor index j.
+! ------------------------------------------------------------------------
+SUBROUTINE fld_set_strain_elem_exc_ (i,j, s, exc)
+  INTEGER, INTENT(IN) :: i,j
+  DOUBLE PRECISION, INTENT(IN) :: s
+  INTEGER, INTENT(OUT) :: exc
+
+  !> check that the element number is within the bounds of the elements
+  !! list and that the tensor index is within [1..NTNS]
+  IF ( i.LT.1 .OR. i.GT.fld_numElem() &
+        .OR. j.LT.1 .OR. j.GT.NTNS ) THEN
+
+    exc=POSIT
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE IF (s.LT.STR_MIN .OR. s.GT.STR_MAX) THEN
+
+    exc=EXCEED
+    CALL log_printLogMsg(exc,sdr)
+    RETURN
+
+  ELSE
+    exc=OK
+  END IF
+
+  !> call non-exception version
+  CALL fld_setStrainElem(i,j, s)
+
+END SUBROUTINE fld_set_strain_elem_exc_
+
+
+
+! ************************************************************************
+! LOCAL FUNCTIONS
+! ************************************************************************
+
+! none
+
+END MODULE field_data