.clang-format

+---
+BasedOnStyle: None
+AccessModifierOffset: -2
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Right
+AlignOperands:   true
+AlignTrailingComments: false
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowAllArgumentsOnNextLine: true
+AllowShortBlocksOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: false
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   true
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      true
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Custom
+BreakBeforeInheritanceComma: true
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializersBeforeComma: false
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:     80
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 2
+ContinuationIndentWidth: 2
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeCategories:
+  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+    Priority:        2
+  - Regex:           '^(<|"(gtest|gmock|isl|json)/)'
+    Priority:        3
+  - Regex:           '.*'
+    Priority:        1
+IncludeIsMainRegex: '(Test)?$'
+IndentCaseLabels: false
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: All
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: true
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+PointerAlignment: Right
+ReflowComments:  true
+SortIncludes:    false
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: false
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Cpp11
+TabWidth:        4
+UseTab:          Never
+...

.clang-tidy

+---
+Checks:          'clang-diagnostic-*,clang-analyzer-*,modernize-use-auto,modernize-use-nullptr'
+CheckOptions:
+  - key:             modernize-use-auto.MinTypeNameLength
+    value:           40
+...

.gitattributes

+*.geo gitlab-language=cpp

.gitignore

+bin*/
+lib*/
+build*/
+install/
+contrib/mobile/frameworks_*
+contrib/3M
+contrib/Parasolid
+*.db
+doc/cookbook/book
+doc/doxygen/html
+.DS_Store
+*~
+*.so
+*.so.*
+*.mod
+*#
+*.pyc
+## CLion directories
+.idea
+cmake-build-*
+
+# VS Code directories
+.vscode/
+
+# Python virtual environment
+venv/
+.venv/

.gitlab-ci.yml

+# Gmsh - Copyright (C) 1997-2024 C. Geuzaine, J.-F. Remacle
+#
+# See the LICENSE.txt file in the Gmsh root directory for license information.
+# Please report all issues on https://gitlab.onelab.info/gmsh/gmsh/issues.
+
+variables:
+  EXTRA_OPTION: ""
+
+.ssh_config: &ssh_config
+  before_script:
+    - echo "$SSH_TOKEN" > ~/.ssh/id_rsa
+    - echo "Host *" > ~/.ssh/config
+    - echo "StrictHostKeyChecking no" >> ~/.ssh/config
+    - chmod 700 ~/.ssh/id_rsa ~/.ssh/config
+
+# ----------------------------------------------
+# Continuous integration builds for all branches
+# ----------------------------------------------
+
+linux_ci:
+  image: onelab/ubuntu20.04
+  script:
+    - mkdir build
+    - cd build
+    - export CXXFLAGS=-Werror
+    - cmake ..
+    - make -j 8
+    - make doc
+    - ctest -j 8 --output-on-failure
+    - valgrind --leak-check=full --show-leak-kinds=definite,indirect --error-exitcode=0 ./gmsh ../tutorials/t5.geo -3
+  tags:
+    - linux64
+    - docker
+  except:
+    - tags
+
+linux_compatibility_ci:
+  image: onelab/ubuntu20.04
+  script:
+    - mkdir build
+    - cd build
+    - cmake -DDEFAULT=0 ..
+    - make -j 8
+    - cmake -DENABLE_PARSER=1 ..
+    - make -j 8
+    - cmake -DENABLE_POST=1 ..
+    - make -j 8
+    - cmake -DENABLE_MESH=1 -DENABLE_BUILD_DYNAMIC=1 -DENABLE_PRIVATE_API=1 -DENABLE_EIGEN=0 -DENABLE_WRAP_PYTHON=1 -DENABLE_PETSC=1 ..
+    - make -j 8
+  tags:
+    - linux64
+    - docker
+  except:
+    - tags
+
+windows_ci:
+  script:
+    - md build
+    - cd build
+    - c:\cygwin64\bin\bash -c "/usr/bin/cmake -DCMAKE_PREFIX_PATH='/usr/local/opencascade;/usr/local;/usr/x86_64-w64-mingw32/sys-root/mingw' -DCMAKE_C_COMPILER=/usr/bin/x86_64-w64-mingw32-gcc.exe -DCMAKE_CXX_COMPILER=/usr/bin/x86_64-w64-mingw32-g++.exe -DCMAKE_RC_COMPILER=/usr/bin/x86_64-w64-mingw32-windres.exe -DENABLE_OS_SPECIFIC_INSTALL=1 .. && ls"
+    - c:\cygwin64\bin\bash -c "/usr/bin/make -j 8"
+    - c:\cygwin64\bin\bash -c "/usr/bin/ctest -j 8 --output-on-failure && ls"
+  tags:
+    - windows64
+    - shared
+  except:
+    - tags
+
+windows_msvc_ci:
+  script:
+    - md build
+    - cd build
+    - cmake -DENABLE_OPENMP=0 ..
+    - msbuild package.vcxproj
+  tags:
+    - windows64
+    - shared
+  except:
+    - tags
+
+# ------------------------------------------
+# Official Linux builds (master branch only)
+# ------------------------------------------
+
+.linux_official: &linux_official
+  only:
+    - master@gmsh/gmsh
+  <<: *ssh_config
+  script:
+    - mkdir build
+    - cd build
+    - cmake -DGMSH_HOST=gmsh.info -DENABLE_PETSC=1 -DPETSC_ARCH=real_mumps_seq -DPETSC_DIR=/petsc-3.14.4 ${EXTRA_OPTION} ..
+    - make package -j 8
+    - PKG=`ls gmsh-*.tar*`
+    - scp ${PKG} geuzaine@gmsh.info:.wwwgmsh/bin/Linux/${PKG/\.tar\.gz/\.tgz}
+    - ctest -j 8 --output-on-failure
+  tags:
+    - linux64
+    - docker
+
+linux_official_snapshot:
+  image: onelab/debian.stretch.64bit
+  variables:
+    EXTRA_OPTION: "-DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++"
+  <<: *linux_official
+  except:
+    - tags
+
+linux_official_release:
+  image: onelab/debian.stretch.64bit
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1 -DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++"
+  <<: *linux_official
+  only:
+    - /^gmsh_.*$/
+
+linux-sdk_official_snapshot:
+  image: onelab/debian.stretch.64bit
+  variables:
+    EXTRA_OPTION: "-DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *linux_official
+  except:
+    - tags
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+      - build/version.txt
+    expire_in: 1day
+
+linux-sdk_official_release:
+  image: onelab/debian.stretch.64bit
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *linux_official
+  only:
+    - /^gmsh_.*$/
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+      - build/version.txt
+    expire_in: 1day
+
+linux-nox-sdk_official_snapshot:
+  image: onelab/debian.stretch.64bit
+  variables:
+    EXTRA_OPTION: "-DGMSH_EXTRA_VERSION=-nox -DENABLE_FLTK=0 -DENABLE_OCC_CAF=0 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *linux_official
+  except:
+    - tags
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+    expire_in: 1day
+
+# --------------------------------------------
+# Official Windows builds (master branch only)
+# --------------------------------------------
+
+.windows_official: &windows_official
+  only:
+    - master@gmsh/gmsh
+  script:
+    - md build
+    - cd build
+    - c:\cygwin64\bin\bash -c "/usr/bin/cmake -DGMSH_HOST=gmsh.info -DCMAKE_PREFIX_PATH='/usr/local;/usr/x86_64-w64-mingw32/sys-root/mingw' -DCMAKE_C_COMPILER=/usr/bin/x86_64-w64-mingw32-gcc.exe -DCMAKE_CXX_COMPILER=/usr/bin/x86_64-w64-mingw32-g++.exe -DCMAKE_Fortran_COMPILER=/usr/bin/x86_64-w64-mingw32-gfortran.exe -DCMAKE_RC_COMPILER=/usr/bin/x86_64-w64-mingw32-windres.exe -DENABLE_OS_SPECIFIC_INSTALL=1 -DENABLE_PETSC=1 -DPETSC_ARCH=real_mumps_seq -DPETSC_DIR=/home/geuzaine/src/petsc ${EXTRA_OPTION} .."
+    - c:\cygwin64\bin\bash -c "/usr/bin/make package -j 4"
+    - c:\cygwin64\bin\bash -c "/usr/bin/scp -o StrictHostKeyChecking=no -i /home/geuzaine/.ssh/id_rsa gmsh-*.zip geuzaine@gmsh.info:.wwwgmsh/bin/Windows/"
+    - c:\cygwin64\bin\bash -c "/usr/bin/ctest -j 4 --output-on-failure"
+
+windows_official_snapshot:
+  <<: *windows_official
+  tags:
+    - windows64
+    - official
+  except:
+    - tags
+
+windows_official_release:
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1"
+  <<: *windows_official
+  tags:
+    - windows64
+    - official
+  only:
+    - /^gmsh_.*$/
+
+windows-sdk_official_snapshot:
+  variables:
+    EXTRA_OPTION: "-DENABLE_OS_SPECIFIC_INSTALL=0 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *windows_official
+  tags:
+    - windows64
+    - official
+  except:
+    - tags
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+    expire_in: 1day
+
+windows-sdk_official_release:
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1 -DENABLE_OS_SPECIFIC_INSTALL=0 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *windows_official
+  tags:
+    - windows64
+    - official
+  only:
+    - /^gmsh_.*$/
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+    expire_in: 1day
+
+# ------------------------------------------
+# Official macOS builds (master branch only)
+# ------------------------------------------
+
+.macos_official: &macos_official
+  only:
+    - master@gmsh/gmsh
+  script:
+    - mkdir build
+    - cd build
+    - cmake -DGMSH_HOST=gmsh.info -DENABLE_CAIRO=0 -DENABLE_OS_SPECIFIC_INSTALL=1 -DENABLE_PETSC=1 -DPETSC_ARCH=real_mumps_seq -DPETSC_DIR=/Users/geuzaine/src/petsc ${EXTRA_OPTION} ..
+    - make package -j 4
+    - PKG=`ls gmsh-*.[dt][ma][gr]*`
+    - '[[ ${PKG} == *.dmg ]] && xcrun notarytool submit ${PKG} --key /Users/geuzaine/AuthKey_4R6P5NYF3T.p8 --key-id 4R6P5NYF3T --issuer 69a6de7c-0b3a-47e3-e053-5b8c7c11a4d1 --wait'
+    - '[[ ${PKG} == *.dmg ]] && xcrun stapler staple ${PKG}'
+    - scp ${PKG} geuzaine@gmsh.info:.wwwgmsh/bin/macOS/${PKG/\.tar\.gz/\.tgz}
+    - ctest -j 4 --output-on-failure
+
+macosx_official_snapshot:
+  <<: *macos_official
+  tags:
+    - macos64
+    - official
+  except:
+    - tags
+
+macosx_official_release:
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1"
+  <<: *macos_official
+  tags:
+    - macos64
+    - official
+  only:
+    - /^gmsh_.*$/
+
+macosx-sdk_official_snapshot:
+  variables:
+    EXTRA_OPTION: "-DENABLE_OS_SPECIFIC_INSTALL=0 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *macos_official
+  tags:
+    - macos64
+    - official
+  except:
+    - tags
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+    expire_in: 1day
+
+macosx-sdk_official_release:
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1 -DENABLE_OS_SPECIFIC_INSTALL=0 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *macos_official
+  tags:
+    - macos64
+    - official
+  only:
+    - /^gmsh_.*$/
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+    expire_in: 1day
+
+macosarm_official_snapshot:
+  <<: *macos_official
+  tags:
+    - macos64arm
+    - official
+  except:
+    - tags
+
+macosarm_official_release:
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1"
+  <<: *macos_official
+  tags:
+    - macos64arm
+    - official
+  only:
+    - /^gmsh_.*$/
+
+macosarm-sdk_official_snapshot:
+  variables:
+    EXTRA_OPTION: "-DENABLE_OS_SPECIFIC_INSTALL=0 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *macos_official
+  tags:
+    - macos64arm
+    - official
+  except:
+    - tags
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+    expire_in: 1day
+
+macosarm-sdk_official_release:
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1 -DENABLE_OS_SPECIFIC_INSTALL=0 -DENABLE_BUILD_DYNAMIC=1 -DINSTALL_SDK_README=1"
+  <<: *macos_official
+  tags:
+    - macos64arm
+    - official
+  only:
+    - /^gmsh_.*$/
+  artifacts:
+    paths:
+      - build/_CPack_Packages/
+    expire_in: 1day
+
+# ----------------------------------------------
+# Official source snapshots (master branch only)
+# ----------------------------------------------
+
+.source_official: &source_official
+  only:
+    - master@gmsh/gmsh
+  <<: *ssh_config
+  script:
+    - mkdir build_src
+    - cd build_src
+    - cmake ${EXTRA_OPTION} ..
+    - make package_source
+    - PKG=`ls gmsh-*.tar*`
+    - scp ${PKG} geuzaine@gmsh.info:.wwwgmsh/src/${PKG/\.tar\.gz/\.tgz}
+  tags:
+    - linux64
+    - docker
+
+source_official_snapshot:
+  image: onelab/ubuntu20.04
+  <<: *source_official
+  except:
+    - tags
+
+source_official_release:
+  image: onelab/ubuntu20.04
+  variables:
+    EXTRA_OPTION: "-DGMSH_RELEASE=1"
+  <<: *source_official
+  only:
+    - /^gmsh_.*$/
+
+# ----------------------------------------------
+# Official documentation (master branch only)
+# ----------------------------------------------
+
+doc_official_snapshot:
+  stage: .post
+  image: onelab/ubuntu20.04
+  only:
+    - master@gmsh/gmsh
+  <<: *ssh_config
+  script:
+    - mkdir build_doc
+    - cd build_doc
+    - cmake ..
+    - make doc
+    - scp gmsh-*-doc.tgz geuzaine@gmsh.info:.wwwgmsh/doc.tgz
+    - ssh geuzaine@gmsh.info "cd .wwwgmsh/dev && tar zxvf ../doc.tgz"
+  tags:
+    - linux64
+    - docker
+  except:
+    - tags
+
+doc_official_release:
+  stage: .post
+  image: onelab/ubuntu20.04
+  only:
+    - master@gmsh/gmsh
+  <<: *ssh_config
+  script:
+    - mkdir build_doc
+    - cd build_doc
+    - cmake -DGMSH_RELEASE=1 ..
+    - make doc
+    - scp gmsh-*-doc.tgz geuzaine@gmsh.info:.wwwgmsh/doc.tgz
+    - ssh geuzaine@gmsh.info "cd .wwwgmsh && tar zxvf doc.tgz"
+    - scp ../doc/gmsh.html geuzaine@gmsh.info:.wwwgmsh/
+  tags:
+    - linux64
+    - docker
+  only:
+    - /^gmsh_.*$/
+
+# ----------------------------------------------
+# Cookbook
+# ----------------------------------------------
+
+doc_cookbook:
+  stage: .post
+  image: onelab/ubuntu20.04
+  only:
+    - gmsh/gmsh
+  <<: *ssh_config
+  script:
+    - mdbook build doc/cookbook
+    - scp -r doc/cookbook/book geuzaine@gmsh.info:.wwwgmsh/doc/cookbook
+  tags:
+    - linux64
+    - docker
+
+# ----------------------------------------------
+# PyPi package
+# ----------------------------------------------
+
+pypi_official_snapshot:
+  stage: .post
+  image: onelab/ubuntu20.04
+  only:
+    - master@gmsh/gmsh
+  <<: *ssh_config
+  dependencies:
+    - linux-sdk_official_snapshot
+    - linux-nox-sdk_official_snapshot
+    - windows-sdk_official_snapshot
+    - macosx-sdk_official_snapshot
+    - macosarm-sdk_official_snapshot
+  script:
+    - cd build
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/Linux/TGZ/gmsh-git-Linux64-sdk/ manylinux_2_24_x86_64
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/Linux/TGZ/gmsh-nox-git-Linux64-sdk/ manylinux_2_24_x86_64
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/CYGWIN/ZIP/gmsh-git-Windows64-sdk/ win_amd64
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/Darwin/TGZ/gmsh-git-MacOSX-sdk/ macosx_10_15_x86_64
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/Darwin/TGZ/gmsh-git-MacOSARM-sdk/ macosx_12_0_arm64
+    - scp gmsh-*.dev1+nox*.whl geuzaine@gmsh.info:.wwwgmsh/python-packages-dev-nox/gmsh/
+    - scp gmsh-*.dev1-*.whl geuzaine@gmsh.info:.wwwgmsh/python-packages-dev/gmsh/
+  tags:
+    - linux64
+    - docker
+  except:
+    - tags
+
+pypi_official_release:
+  stage: .post
+  image: onelab/ubuntu20.04
+  only:
+    - master@gmsh/gmsh
+  <<: *ssh_config
+  dependencies:
+    - linux-sdk_official_release
+    - windows-sdk_official_release
+    - macosx-sdk_official_release
+    - macosarm-sdk_official_release
+  script:
+    - echo "[distutils]" > ~/.pypirc
+    - echo "index-servers = pypi" >> ~/.pypirc
+    - echo "[pypi]" >> ~/.pypirc
+    - echo "username = __token__" >> ~/.pypirc
+    - echo "password = $PYPI_TOKEN" >> ~/.pypirc
+    - cd build
+    - VERSION=`cat version.txt`
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/Linux/TGZ/gmsh-${VERSION}-Linux64-sdk/ manylinux_2_24_x86_64
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/CYGWIN/ZIP/gmsh-${VERSION}-Windows64-sdk/ win_amd64
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/Darwin/TGZ/gmsh-${VERSION}-MacOSX-sdk/ macosx_10_15_x86_64
+    - python3 ../utils/pypi/sdktowheel.py _CPack_Packages/Darwin/TGZ/gmsh-${VERSION}-MacOSARM-sdk/ macosx_12_0_arm64
+    - scp gmsh*.whl geuzaine@gmsh.info:.wwwgmsh/python-packages/gmsh/
+    - twine upload gmsh*.whl
+    - ssh geuzaine@gmsh.info "cd .wwwgmsh/bin/Linux && rm -f gmsh-stable-Linux64* && ln -s gmsh-${VERSION}-Linux64.tgz gmsh-stable-Linux64.tgz && ln -s gmsh-${VERSION}-Linux64-sdk.tgz gmsh-stable-Linux64-sdk.tgz"
+    - ssh geuzaine@gmsh.info "cd .wwwgmsh/bin/Windows && rm -f gmsh-stable-Windows64* && ln -s gmsh-${VERSION}-Windows64.zip gmsh-stable-Windows64.zip && ln -s gmsh-${VERSION}-Windows64-sdk.zip gmsh-stable-Windows64-sdk.zip"
+    - ssh geuzaine@gmsh.info "cd .wwwgmsh/bin/macOS && rm -f gmsh-stable-MacOSX* && ln -s gmsh-${VERSION}-MacOSX.dmg gmsh-stable-MacOSX.dmg && ln -s gmsh-${VERSION}-MacOSX-sdk.tgz gmsh-stable-MacOSX-sdk.tgz"
+    - ssh geuzaine@gmsh.info "cd .wwwgmsh/bin/macOS && rm -f gmsh-stable-MacOSARM* && ln -s gmsh-${VERSION}-MacOSARM.dmg gmsh-stable-MacOSARM.dmg && ln -s gmsh-${VERSION}-MacOSARM-sdk.tgz gmsh-stable-MacOSARM-sdk.tgz"
+    - ssh geuzaine@gmsh.info "cd .wwwgmsh/src && rm -f gmsh-stable-source.tgz && ln -s gmsh-${VERSION}-source.tgz gmsh-stable-source.tgz"
+  tags:
+    - linux64
+    - docker
+  only:
+    - /^gmsh_.*$/

Box/Box.cpp

-// $Id: Box.cpp,v 1.42 2008-01-20 11:20:58 geuzaine Exp $
-//
-// Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-// USA.
-// 
-// Please report all bugs and problems to <gmsh@geuz.org>.
-
-#include <signal.h>
-#include "GModel.h"
-#include "Message.h"
-#include "OS.h"
-#include "Numeric.h"
-#include "Generator.h"
-#include "Parser.h"
-#include "Context.h"
-#include "Options.h"
-#include "OpenFile.h"
-#include "CommandLine.h"
-#include "CreateFile.h"
-#include "ParUtil.h"
-#include "PluginManager.h"
-#include "Field.h"
-#include "BackgroundMesh.h"
-
-Context_T CTX;
-
-// Print some help/info messages
-
-void Info(int level, char *arg0)
-{
-  switch (level) {
-  case 0:
-    if(ParUtil::Instance()->master()) {
-      fprintf(stderr, "%s\n", gmsh_progname);
-      fprintf(stderr, "%s\n", gmsh_copyright);
-      Print_Usage(arg0);
-    }
-    ParUtil::Instance()->Exit();
-  case 1:
-    if(ParUtil::Instance()->master())
-      fprintf(stderr, "%s\n", Get_GmshVersion());
-    ParUtil::Instance()->Exit();
-  case 2:
-    if(ParUtil::Instance()->master()) {
-      fprintf(stderr, "%s%s\n", gmsh_version, Get_GmshVersion());
-      fprintf(stderr, "%s\n", gmsh_os);
-      fprintf(stderr, "%s\n", gmsh_date);
-      fprintf(stderr, "%s\n", gmsh_host);
-      fprintf(stderr, "%s\n", gmsh_packager);
-      fprintf(stderr, "%s\n", gmsh_url);
-      fprintf(stderr, "%s\n", gmsh_email);
-    }
-    ParUtil::Instance()->Exit();
-  default:
-    break;
-  }
-}
-
-// Main routine for the batch (black box) version
-
-int GMSHBOX(int argc, char *argv[])
-{
-  ParUtil::Instance()->init(argc, argv);
-
-  new GModel;
-
-  InitSymbols();
-  Init_Options(0);
-
-  if(argc < 2)
-    Info(0, argv[0]);
-
-  Get_Options(argc, argv);
-
-  // FIXME: could not make this work on IRIX
-#if !defined(__sgi__) 
-  signal(SIGINT, Signal);
-  signal(SIGSEGV, Signal);
-  signal(SIGFPE, Signal);
-#endif
-
-  CheckResources();
-
-  GMSH_PluginManager::instance()->registerDefaultPlugins();
-
-  check_gsl();
-
-  OpenProject(CTX.filename);
-  if(gmsh_yyerrorstate)
-    ParUtil::Instance()->Abort();
-  else {
-    for(int i = 1; i < List_Nbr(CTX.files); i++)
-      MergeFile(*(char**)List_Pointer(CTX.files, i));
-    if(CTX.bgm_filename) {
-      MergeFile(CTX.bgm_filename);
-      if(PView::list.size()){
-	Field *field = new PostViewField(PView::list.back());
-	BGMAddField(field);
-	fields.insert(field);
-      }
-      else{
-        fprintf(stderr, ERROR_STR "Invalid background mesh (no view)\n");
-	exit(1);
-      }
-    }
-    if(CTX.batch > 0) {
-      GenerateMesh(CTX.batch);
-      CreateOutputFile(CTX.output_filename, CTX.mesh.format);
-    }
-    else if(CTX.batch == -1)
-      CreateOutputFile(CTX.output_filename, FORMAT_GEO);
-    ParUtil::Instance()->Barrier(__LINE__, __FILE__);
-    return 1;
-  }
-  ParUtil::Instance()->Barrier(__LINE__, __FILE__);
-
-  return 1;
-}
-
-// Handle signals. We should not use Msg functions in these...
-
-void Signal(int sig_num)
-{
-  switch (sig_num) {
-  case SIGSEGV:
-    Msg(FATAL, "Segmentation violation (invalid memory reference)");
-    break;
-  case SIGFPE:
-    Msg(FATAL, "Floating point exception (division by zero?)");
-    break;
-  case SIGINT:
-    Msg(FATAL, "Interrupt (generated from terminal special char)");
-    break;
-  default:
-    Msg(FATAL, "Unknown signal");
-    break;
-  }
-}
-
-// General purpose message routine
-
-void Msg(int level, const char *fmt, ...)
-{
-  va_list args;
-  int abort = 0;
-
-  va_start(args, fmt);
-
-  switch (level) {
-
-  case PROGRESS:
-  case STATUS1N:
-  case STATUS2N:
-    break;
-
-  case DIRECT:
-    if(CTX.verbosity >= 2 && ParUtil::Instance()->master()) {
-      vfprintf(stdout, fmt, args);
-      fprintf(stdout, "\n");
-    }
-    break;
-
-  case FATAL:
-  case FATAL3: abort = 1;
-  case FATAL1:
-  case FATAL2:
-    fprintf(stderr, FATAL_STR);
-    fprintf(stderr, "[on processor %d] ", ParUtil::Instance()->rank());
-    vfprintf(stderr, fmt, args);
-    fprintf(stderr, "\n");
-    break;
-
-  case GERROR:
-  case GERROR1:
-  case GERROR2:
-  case GERROR3:
-    fprintf(stderr, ERROR_STR);
-    fprintf(stderr, "[on processor %d] ", ParUtil::Instance()->rank());
-    vfprintf(stderr, fmt, args);
-    fprintf(stderr, "\n");
-    break;
-
-  case WARNING:
-  case WARNING1:
-  case WARNING2:
-  case WARNING3:
-    if(CTX.verbosity >= 1) {
-      fprintf(stderr, WARNING_STR);
-      fprintf(stderr, "[on processor %d] ", ParUtil::Instance()->rank());
-      vfprintf(stderr, fmt, args);
-      fprintf(stderr, "\n");
-    }
-    break;
-
-  case DEBUG:
-  case DEBUG1:
-  case DEBUG2:
-  case DEBUG3:
-    if(CTX.verbosity >= 4 && ParUtil::Instance()->master()) {
-      fprintf(stderr, DEBUG_STR);
-      vfprintf(stderr, fmt, args);
-      fprintf(stderr, "\n");
-    }
-    break;
-
-  default:
-    if(CTX.verbosity >= 2 && ParUtil::Instance()->master()) {
-      fprintf(stderr, INFO_STR);
-      vfprintf(stderr, fmt, args);
-      fprintf(stderr, "\n");
-    }
-    break;
-  }
-
-  va_end(args);
-
-  if(abort)
-    exit(1);
-}
-
-// interactive value dialog
-
-double GetValue(const char *text, double defaultval)
-{
-  if(CTX.nopopup)
-    return defaultval;
-
-  printf("%s (default=%.16g): ", text, defaultval);
-  char str[256];
-  fgets(str, sizeof(str), stdin);
-  if(!strlen(str) || !strcmp(str, "\n"))
-    return defaultval;
-  else
-    return atof(str);
-}
-
-bool GetBinaryAnswer(const char *question, const char *yes, const char *no, 
-		     bool defaultval)
-{
-  if(CTX.nopopup || CTX.batch)
-    return defaultval;
-
-  char answ[256];
-
-  while(1){
-    printf("%s (%s/%s)",question,yes,no);
-    scanf("%s ",answ);
-    if (!strcmp(answ,yes))return true;
-    if (!strcmp(answ,no))return false;
-  }
-}
-

Box/Main.cpp

-extern int GMSHBOX(int argc, char *argv[]);
-
-int main(int argc, char *argv[])
-{
-  return GMSHBOX(argc, argv);
-}

Box/Makefile

-# $Id: Makefile,v 1.45 2008-02-07 21:29:38 geuzaine Exp $
-#
-# Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-# USA.
-# 
-# Please report all bugs and problems to <gmsh@geuz.org>.
-
-include ../variables
-
-LIB = ../lib/libGmshBox${LIBEXT}
-
-INC = ${DASH}I../Common ${DASH}I../DataStr ${DASH}I../Geo ${DASH}I../Mesh\
-      ${DASH}I../Post ${DASH}I../Graphics ${DASH}I../Numeric ${DASH}I../Parser\
-      ${DASH}I../Fltk ${DASH}I../Plugin ${DASH}I../Parallel\
-      ${DASH}I../contrib/ANN/include
-
-CFLAGS  = ${OPTIM} ${FLAGS} ${INC} ${SYSINCLUDE}
-
-SRC = Box.cpp
-
-OBJ = ${SRC:.cpp=${OBJEXT}}
-
-.SUFFIXES: ${OBJEXT} .cpp
-
-${LIB}: ${OBJ} Main${OBJEXT}
-	${AR} ${ARFLAGS}${LIB} ${OBJ} 
-	${RANLIB} ${LIB}
-
-.cpp${OBJEXT}:
-	${CXX} ${CFLAGS} ${DASH}c $<
-
-clean:
-	rm -f *.o *.obj
-
-depend:
-	(sed '/^# DO NOT DELETE THIS LINE/q' Makefile && \
-	${CXX} -MM ${CFLAGS} ${SRC} \
-	) >Makefile.new
-	cp Makefile Makefile.bak
-	cp Makefile.new Makefile
-	rm -f Makefile.new
-
-# DO NOT DELETE THIS LINE
-Box.o: Box.cpp ../Geo/GModel.h ../Geo/GVertex.h ../Geo/GEntity.h \
-  ../Geo/Range.h ../Geo/SPoint3.h ../Geo/SBoundingBox3d.h \
-  ../Geo/SPoint3.h ../Geo/GPoint.h ../Geo/SPoint2.h ../Geo/GEdge.h \
-  ../Geo/GEntity.h ../Geo/GVertex.h ../Geo/SVector3.h ../Geo/SPoint3.h \
-  ../Geo/SPoint3.h ../Geo/SPoint2.h ../Geo/GFace.h ../Geo/GEntity.h \
-  ../Geo/GPoint.h ../Geo/GEdgeLoop.h ../Geo/GEdge.h ../Geo/SPoint2.h \
-  ../Geo/SVector3.h ../Geo/Pair.h ../Geo/GRegion.h ../Geo/GEntity.h \
-  ../Geo/SBoundingBox3d.h ../Common/Message.h ../Common/OS.h \
-  ../Numeric/Numeric.h ../Numeric/NumericEmbedded.h ../Mesh/Generator.h \
-  ../Parser/Parser.h ../DataStr/List.h ../DataStr/Tree.h ../DataStr/avl.h \
-  ../Common/Context.h ../Common/Options.h ../Post/ColorTable.h \
-  ../Parser/OpenFile.h ../Common/CommandLine.h ../Parser/CreateFile.h \
-  ../Parallel/ParUtil.h ../Plugin/PluginManager.h ../Plugin/Plugin.h \
-  ../Post/PView.h ../Post/PViewData.h ../Post/PViewOptions.h \
-  ../Post/ColorTable.h ../Post/PViewDataList.h ../Post/PViewData.h \
-  ../Post/AdaptiveViews.h ../Common/GmshMatrix.h ../Mesh/Field.h \
-  ../Geo/Geo.h ../Common/GmshDefines.h ../Geo/gmshSurface.h ../Geo/Pair.h \
-  ../Geo/Range.h ../Geo/SPoint2.h ../Geo/SPoint3.h ../Geo/SVector3.h \
-  ../Geo/SBoundingBox3d.h ../Geo/SPoint2.h ../Geo/ExtrudeParams.h \
-  ../Common/SmoothData.h ../Post/OctreePost.h ../Common/Octree.h \
-  ../Common/OctreeInternals.h ../Mesh/BackgroundMesh.h

CREDITS.txt

+                 Gmsh is copyright (C) 1997-2024
+
+                       Christophe Geuzaine
+                     <cgeuzaine at uliege.be>
+
+                               and
+
+                      Jean-Francois Remacle
+              <jean-francois.remacle at uclouvain.be>
+
+Code contributions to Gmsh have been provided by David Colignon (colormaps),
+Emilie Marchandise (old compound geometrical entities), Gaetan Bricteux (Gauss
+integration and levelsets), Jacques Lechelle (DIFFPACK export), Jonathan
+Lambrechts (mesh size fields, solver, Python wrappers), Jozef Vesely (old Tetgen
+integration), Koen Hillewaert (high order elements, generalized periodic
+meshes), Laurent Stainier (eigenvalue solvers, tensor display and help with
+macOS port), Marc Ume (original list and tree code), Mark van Doesburg (old
+OpenCASCADE face connection), Matt Gundry (Plot3d export), Matti Pellikka (cell
+complex and homology solver), Nicolas Tardieu (help with Netgen integration),
+Pascale Noyret (MED mesh IO), Pierre Badel (root finding and minimization), Ruth
+Sabariego (pyramids), Stephen Guzik (old CGNS IO, old partitioning code),
+Bastien Gorissen (parallel remote post-processing), Eric Bechet (solver), Gilles
+Marckmann (camera and stero mode, X3D export), Ashish Negi (Netgen CAD healing),
+Trevor Strickler (hybrid structured mesh coupling with pyramids), Amaury Johnen
+(Bezier code, high-order element validity), Benjamin Ruard (old Java wrappers),
+Maxime Graulich (iOS/Android port), Francois Henrotte (ONELAB metamodels),
+Sebastian Eiser (PGF export), Alexis Salzman (compressed IO), Hang Si (TetGen/BR
+boundary recovery code), Fernando Lorenzo (Tochnog export), Larry Price (Gambit
+export), Anthony Royer (new partitioning code, MSH4 IO), Darcy Beurle (code
+cleanup and performance improvements), Celestin Marot (HXT/tetMesh),
+Pierre-Alexandre Beaufort (HXT/reparam), Zhidong Han (LSDYNA export), Ismail
+Badia (hierarchical basis functions), Jeremy Theler (X3D export), Thomas
+Toulorge (high order mesh optimizer, new CGNS IO), Max Orok (binary PLY), Marek
+Wojciechowski (PyPi packaging), Maxence Reberol (automatic transfinite, quad
+meshing tools), Michael Ermakov (Gambit IO, Fortran API, TransfiniteTri,
+boundary layer fans), Alex Krasner (X3D export), Giannis Nikiteas (Fortran API),
+Paul Sharp (Radioss export), Marco Failla (2D fillet/offset and API
+additions). See comments in the sources for more information. If we forgot to
+list your contributions please send us an email!
+
+Thanks to the following folks who have contributed by providing fresh ideas on
+theoretical or programming topics, who have sent patches, requests for changes
+or improvements, or who gave us access to exotic machines for testing Gmsh: Juan
+Abanto, Olivier Adam, Guillaume Alleon, Laurent Champaney, Pascal Dupuis,
+Patrick Dular, Philippe Geuzaine, Johan Gyselinck, Francois Henrotte, Benoit
+Meys, Nicolas Moes, Osamu Nakamura, Chad Schmutzer, Jean-Luc Fl'ejou, Xavier
+Dardenne, Christophe Prud'homme, Sebastien Clerc, Jose Miguel Pasini, Philippe
+Lussou, Jacques Kools, Bayram Yenikaya, Peter Hornby, Krishna Mohan Gundu,
+Christopher Stott, Timmy Schumacher, Carl Osterwisch, Bruno Frackowiak, Philip
+Kelleners, Romuald Conty, Renaud Sizaire, Michel Benhamou, Tom De Vuyst, Kris
+Van den Abeele, Simon Vun, Simon Corbin, Thomas De-Soza, Marcus Drosson, Antoine
+Dechaume, Jose Paulo Moitinho de Almeida, Thomas Pinchard, Corrado Chisari, Axel
+Hackbarth, Peter Wainwright, Jiri Hnidek, Thierry Thomas, Konstantinos Poulios,
+Laurent Van Miegroet, Shahrokh Ghavamian, Geordie McBain, Jose Paulo Moitinho de
+Almeida, Guillaume Demesy, Wendy Merks-Swolfs, Cosmin Stefan Deaconu, Nigel
+Nunn, Serban Georgescu, Julien Troufflard, Michele Mocciola, Matthijs Sypkens
+Smit, Sauli Ruuska, Romain Boman, Fredrik Ekre, Mark Burton, Max Orok, Paul
+Cristini, Isuru Fernando, Jose Paulo Moitinho de Almeida, Sophie Le Bras,
+Alberto Escrig, Samy Mukadi, Peter Johnston, Bruno de Sousa Alves, Stefan
+Bruens, Luca Verzeroli, Tristan Seidlhofer, Ding Jiaming, Joost Gevaert, Marcus
+Calhoun-Lopez, Michel Zou, Sir Sunsheep, Mariano Forti, Walter Steffe, Nico
+Schloemer, Simon Tournier, Alexandru Dadalau, Thomas Ulrich, Matthias Diener,
+Jamie Border, Kenneth Jansen, Steven Masfaraud, Sai Sumanth Moturu, Arie
+Westland, Andreas Farley, Mahesh Madhav, Zoltan Csati, Thierry Hocquellet,
+Christophe Bourcier, Mattéo Couplet, Giuseppe Musacchio, Romin Tomasetti, Lin Qi
+Chen, Tim Furlan, Matthias Lang, Tim Gabriel, Julien Chapelat, Boris Martin,
+Thomas Pirottin, Kazuyoshi Furutaka, Mariusz Wozniak, Christophe Friebel,
+Thierry Thomas, Joonas Haapsaari, Jani V"alimaa, Erik Schaubelt, Louis Denis,
+Francis Franklin, Florian Blachère, Aleksandr Artemyev.
+
+Special thanks to Bill Spitzak, Michael Sweet, Matthias Melcher, Greg Ercolano
+and others for the Fast Light Tool Kit on which Gmsh's GUI is based. See
+http://www.fltk.org for more info on this excellent object-oriented,
+cross-platform toolkit. Special thanks also to EDF for funding the original
+OpenCASCADE and MED integration in 2006-2007. Gmsh development was also
+financially supported by the PRACE project funded in part by the EU's Horizon
+2020 Research and Innovation programme (2014-2020) under grant agreement 823767.
+
+The TetGen/BR code (src/mesh/tetgenBR.{cpp,h}) is copyright (c) 2016 Hang Si,
+Weierstrass Institute for Applied Analysis and Stochatics. It is relicensed
+under the terms of LICENSE.txt for use in Gmsh thanks to a Software License
+Agreement between Weierstrass Institute for Applied Analysis and Stochastics and
+GMESH SPRL.
+
+The AVL tree code (src/common/avl.{cpp,h}) and the YUV image code
+(src/graphics/gl2yuv.{cpp,h}) are copyright (C) 1988-1993, 1995 The Regents of
+the University of California. Permission to use, copy, modify, and distribute
+this software and its documentation for any purpose and without fee is hereby
+granted, provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in supporting
+documentation, and that the name of the University of California not be used in
+advertising or publicity pertaining to distribution of the software without
+specific, written prior permission. The University of California makes no
+representations about the suitability of this software for any purpose. It is
+provided "as is" without express or implied warranty.
+
+The picojson code (src/common/picojson.h) is Copyright 2009-2010 Cybozu Labs,
+Inc., Copyright 2011-2014 Kazuho Oku, All rights reserved. Redistribution and
+use in source and binary forms, with or without modification, are permitted
+provided that the following conditions are met: 1. Redistributions of source
+code must retain the above copyright notice, this list of conditions and the
+following disclaimer. 2. Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution. THIS
+SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The nanoflann code (src/numeric/nanoflann.hpp) is Copyright 2008-2009 Marius
+Muja, 2008-2009 David G. Lowe, 2011-2016 Jose Luis Blanco. Redistribution and
+use in source and binary forms, with or without modification, are permitted
+provided that the following conditions are met: 1. Redistributions of source
+code must retain the above copyright notice, this list of conditions and the
+following disclaimer.  2. Redistributions in binary form must reproduce the
+above copyright notice, this list of conditions and the following disclaimer in
+the documentation and/or other materials provided with the distribution.  THIS
+SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+OF SUCH DAMAGE.
+
+The trackball code (src/graphics/Trackball.{cpp.h}) is copyright (C) 1993, 1994,
+Silicon Graphics, Inc. ALL RIGHTS RESERVED. Permission to use, copy, modify, and
+distribute this software for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that both the
+copyright notice and this permission notice appear in supporting documentation,
+and that the name of Silicon Graphics, Inc. not be used in advertising or
+publicity pertaining to distribution of the software without specific, written
+prior permission.
+
+The GIF and PPM routines (src/graphics/gl2gif.cpp) are based on code copyright
+(C) 1989, 1991, Jef Poskanzer. Permission to use, copy, modify, and distribute
+this software and its documentation for any purpose and without fee is hereby
+granted, provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in supporting
+documentation.  This software is provided "as is" without express or implied
+warranty.
+
+The colorbar widget (src/fltk/colorbarWindow.cpp) was inspired by code from the
+Vis5d program for visualizing five dimensional gridded data sets, copyright (C)
+1990-1995, Bill Hibbard, Brian Paul, Dave Santek, and Andre Battaiola.
+
+The libOL code (src/common/libol1.{c,h}) is Copyright 2012-2018 - by Loïc
+Maréchal / INRIA. This program is a free software. You can redistribute it
+and/or modify it under the terms of the MIT License as published by the Open
+Source Initiative.
+
+The Fast & memory efficient hashtable based on robin hood hashing
+(src/common/robin_hood.h) is Copyright (c) 2018-2020 Martin Ankerl and is
+licensed under the MIT License.
+
+In addition, this version of Gmsh may contain the following contributed,
+optional codes in the contrib/ directory, each governed by their own license:
+
+* contrib/ANN copyright (C) 1997-2010 University of Maryland and Sunil Arya and
+  David Mount;
+
+* contrib/gmm copyright (C) 2002-2008 Yves Renard;
+
+* contrib/hxt - Copyright (C) 2017-2020 - Universite catholique de Louvain;
+
+* contrib/kbipack copyright (C) 2005 Saku Suuriniemi;
+
+* contrib/MathEx based in part on the work of the SSCILIB Library, copyright (C)
+  2000-2003 Sadao Massago;
+
+* contrib/metis written by George Karypis (karypis at cs.umn.edu), copyright (C)
+  1995-2013 Regents of the University of Minnesota;
+
+* contrib/mpeg_encode copyright (c) 1995 The Regents of the University of
+  California;
+
+* contrib/Netgen copyright (C) 1994-2004 Joachim Sch"oberl;
+
+* contrib/bamg from Freefem++ copyright (C) Frederic Hecht;
+
+* contrib/ALGLIB (C) Sergey Bochkanov (ALGLIB project);
+
+* contrib/blossom copyright (C) 1995-1997 Bill Cook et al.;
+
+* contrib/bamg from Freefem++ copyright (C) Frederic Hecht;
+
+* contrib/tinyxml2 from Lee Thomason;
+
+* contrib/voro++ from Voro++ Copyright (c) 2008, The Regents of the University
+  of California, through Lawrence Berkeley National Laboratory (subject to
+  receipt of any required approvals from the U.S. Dept. of Energy). All rights
+  reserved;
+
+* contrib/zipper from MiniZip - Copyright (c) 1998-2010 - by Gilles Vollant -
+  version 1.1 64 bits from Mathias Svensson.
+
+Check the configuration options to see which have been enabled.

Common/CommandLine.h

-#ifndef _COMMAND_LINE_H_
-#define _COMMAND_LINE_H_
-
-// Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-// USA.
-// 
-// Please report all bugs and problems to <gmsh@geuz.org>.
-
-extern char gmsh_progname[], gmsh_copyright[], gmsh_version[], gmsh_os[];
-extern char gmsh_date[], gmsh_host[], gmsh_packager[], gmsh_url[];
-extern char gmsh_email[], gmsh_gui[], gmsh_options[], gmsh_license[];
-
-void Get_Options(int argc, char *argv[]);
-void Print_Usage(char *name);
-
-char *Get_BuildOptions();
-
-int Get_GmshMajorVersion();
-int Get_GmshMinorVersion();
-int Get_GmshPatchVersion();
-char *Get_GmshExtraVersion();
-char *Get_GmshVersion();
-char *Get_GmshBuildDate();
-char *Get_GmshBuildHost();
-char *Get_GmshPackager();
-char *Get_GmshBuildOS();
-char *Get_GmshShortLicense();
-
-#endif

Common/Context.cpp

-// $Id: Context.cpp,v 1.60 2008-01-19 22:05:59 geuzaine Exp $
-//
-// Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-// USA.
-// 
-// Please report all bugs and problems to <gmsh@geuz.org>.
-
-#include "Numeric.h"
-#include "Context.h"
-#include "DefaultOptions.h"
-#include "Trackball.h"
-
-void Context_T::buildRotationMatrix(void)
-{
-  if(useTrackball) {
-    build_rotmatrix(rot, quaternion);
-    setEulerAnglesFromRotationMatrix();
-  }
-  else {
-    double x = r[0] * Pi / 180.;
-    double y = r[1] * Pi / 180.;
-    double z = r[2] * Pi / 180.;
-    double A = cos(x);
-    double B = sin(x);
-    double C = cos(y);
-    double D = sin(y);
-    double E = cos(z);
-    double F = sin(z);
-    double AD = A * D;
-    double BD = B * D;
-    rot[0] = C*E; rot[1] = BD*E+A*F; rot[2] =-AD*E+B*F; rot[3] = 0.;
-    rot[4] =-C*F; rot[5] =-BD*F+A*E; rot[6] = AD*F+B*E; rot[7] = 0.;
-    rot[8] = D;   rot[9] =-B*C;	     rot[10] = A*C;     rot[11] = 0.;
-    rot[12] = 0.; rot[13] = 0.;      rot[14] = 0.;      rot[15] = 1.;
-    setQuaternionFromEulerAngles();
-  }
-}
-
-void Context_T::addQuaternion(double p1x, double p1y, double p2x, double p2y)
-{
-  double quat[4];
-  trackball(quat, p1x, p1y, p2x, p2y);
-  add_quats(quat, quaternion, quaternion);
-}
-
-void Context_T::addQuaternionFromAxisAndAngle(double axis[3], double angle)
-{
-  double a = angle * Pi / 180.;
-  double quat[4];
-  axis_to_quat(axis, a, quat);
-  add_quats(quat, quaternion, quaternion);  
-}
-
-void Context_T::setQuaternion(double q0, double q1, double q2, double q3)
-{
-  quaternion[0] = q0;
-  quaternion[1] = q1;
-  quaternion[2] = q2;
-  quaternion[3] = q3;
-}
-
-void Context_T::setQuaternionFromEulerAngles()
-{
-  double x = r[0] * Pi / 180.;
-  double y = r[1] * Pi / 180.;
-  double z = r[2] * Pi / 180.;
-  double xx[3] = {1.,0.,0.};
-  double yy[3] = {0.,1.,0.};
-  double zz[3] = {0.,0.,1.};
-  double q1[4], q2[4], q3[4], tmp[4];
-  axis_to_quat(xx, -x, q1);
-  axis_to_quat(yy, -y, q2);
-  axis_to_quat(zz, -z, q3);
-  add_quats(q1, q2, tmp);
-  add_quats(tmp, q3, quaternion);
-}
-
-void Context_T::setEulerAnglesFromRotationMatrix()
-{
-  r[1] = asin(rot[8]); // Calculate Y-axis angle
-  double C =  cos(r[1]);
-  r[1] *=  180. / Pi;
-  if(fabs(C) > 0.005){ // Gimball lock?
-    double tmpx =  rot[10] / C; // No, so get X-axis angle
-    double tmpy = -rot[9] / C;
-    r[0] = atan2(tmpy, tmpx) * 180. / Pi;
-    tmpx =  rot[0] / C; // Get Z-axis angle
-    tmpy = -rot[4] / C;
-    r[2] = atan2(tmpy, tmpx) * 180. / Pi;
-  }
-  else{ // Gimball lock has occurred
-    r[0] = 0.; // Set X-axis angle to zero
-    double tmpx = rot[5]; // And calculate Z-axis angle
-    double tmpy = rot[1];
-    r[2] = atan2(tmpy, tmpx) * 180. / Pi;
-  }
-  // return only positive angles in [0,360]
-  if(r[0] < 0.) r[0] += 360.;
-  if(r[1] < 0.) r[1] += 360.;
-  if(r[2] < 0.) r[2] += 360.;
-}

Common/GmshDefines.h

-#ifndef _GMSH_DEFINES_H_
-#define _GMSH_DEFINES_H_
-
-// IO file formats
-#define FORMAT_MSH           1
-#define FORMAT_UNV           2
-#define FORMAT_GREF          3
-#define FORMAT_XPM           4
-#define FORMAT_PS            5
-#define FORMAT_BMP           6
-#define FORMAT_GIF           7
-#define FORMAT_GEO           8
-#define FORMAT_JPEG          9
-#define FORMAT_AUTO          10
-#define FORMAT_PPM           11
-#define FORMAT_YUV           12
-#define FORMAT_DMG           13
-#define FORMAT_SMS           14
-#define FORMAT_OPT           15
-#define FORMAT_VTK           16
-#define FORMAT_TEX           18
-#define FORMAT_VRML          19
-#define FORMAT_EPS           20
-#define FORMAT_PNG           22
-#define FORMAT_PDF           24
-#define FORMAT_POS           26
-#define FORMAT_STL           27
-#define FORMAT_P3D           28
-#define FORMAT_SVG           29
-#define FORMAT_MESH          30
-#define FORMAT_BDF           31
-#define FORMAT_CGNS          32
-#define FORMAT_MED           33
-
-// Element types in .msh file format
-#define MSH_LIN_2  1
-#define MSH_TRI_3  2
-#define MSH_QUA_4  3
-#define MSH_TET_4  4
-#define MSH_HEX_8  5
-#define MSH_PRI_6  6
-#define MSH_PYR_5  7
-#define MSH_LIN_3  8
-#define MSH_TRI_6  9
-#define MSH_QUA_9  10
-#define MSH_TET_10 11
-#define MSH_HEX_27 12
-#define MSH_PRI_18 13
-#define MSH_PYR_14 14
-#define MSH_PNT    15
-#define MSH_QUA_8  16
-#define MSH_HEX_20 17
-#define MSH_PRI_15 18
-#define MSH_PYR_13 19
-#define MSH_TRI_9  20
-#define MSH_TRI_10 21
-#define MSH_TRI_12 22
-#define MSH_TRI_15 23
-#define MSH_TRI_15I 24
-#define MSH_TRI_21 25
-#define MSH_LIN_4  26
-#define MSH_LIN_5  27
-#define MSH_LIN_6  28
-
-// Geometric entities
-#define ENT_NONE     0
-#define ENT_POINT    (1<<0)
-#define ENT_LINE     (1<<1)
-#define ENT_SURFACE  (1<<2)
-#define ENT_VOLUME   (1<<3)
-#define ENT_ALL      (ENT_POINT | ENT_LINE | ENT_SURFACE | ENT_VOLUME)
-
-// 2D mesh algorithms
-#define ALGO_2D_MESHADAPT_DELAUNAY  1
-#define ALGO_2D_ANISOTROPIC         2 // unused
-#define ALGO_2D_TRIANGLE            3 // unused
-#define ALGO_2D_MESHADAPT           4
-#define ALGO_2D_DELAUNAY            5
-
-// 3D mesh algorithms
-#define ALGO_3D_TETGEN_DELAUNAY    1
-#define ALGO_3D_NETGEN             4
-#define ALGO_3D_TETGEN             5 // unused
-
-#define TRANSFINI 1
-#define LIBRE     2
-
-#endif

Common/GmshUI.h

-#ifndef _GMSH_UI_H_
-#define _GMSH_UI_H_
-
-// Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
-//
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-// USA.
-// 
-// Please report all bugs and problems to <gmsh@geuz.org>.
-
-#if defined(HAVE_FLTK)
-#  include <FL/Fl.H>
-#  if (FL_MAJOR_VERSION == 1) && (FL_MINOR_VERSION == 1)
-#    if (FL_PATCH_VERSION >= 6)
-#      define HAVE_FLTK_1_1_6_OR_ABOVE
-#    endif
-#    if (FL_PATCH_VERSION >= 5)
-#      define HAVE_FLTK_1_1_5_OR_ABOVE
-#    endif
-#  else
-#    error "Gmsh requires FLTK 1.1.x"
-#  endif
-#  include <FL/gl.h>
-#  if defined(__APPLE__)
-#    include <OpenGL/glu.h>
-#  else
-#    include <GL/glu.h>
-#  endif
-# define GMSH_WINDOW_BOX FL_FLAT_BOX
-#endif
-
-// recent Cygwin releases define min/max macros! 
-#if defined(__CYGWIN__)
-#undef min
-#undef max
-#endif
-
-#endif