Add SPDX header stating the licenses for code

Author: osander1

Diff for: .git-blame-ignore-revs

@@ -1,2 +1,5 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # Reindentation of a large code block
 142d56951733f3ef6259565d660490c9a7e14d29

Diff for: .gitignore

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # ignore all build folders
 /build*/
 # ignore backup files

Diff for: .gitlab-ci.yml

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 ---
 include:
   - project: 'core/ci-config'

Diff for: CHANGELOG.md

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 cmake_minimum_required(VERSION 3.16)
 project(dune-functions CXX)
 

Diff for: CMakeLists.txt

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 /* begin dune-functions
    put the definitions for config.h specific to
    your project here. Everything above will be

Diff for: README.md

@@ -1,2 +1,5 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 add_subdirectory("doxygen")
 add_subdirectory("manual")

Diff for: TODO.md

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 Doxyfile
 Doxyfile.in
 

Diff for: config.h.cmake

@@ -1,2 +1,5 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # shortcut for creating the Doxyfile.in and Doxyfile
 add_doxygen_target()

Diff for: doc/CMakeLists.txt

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # This file contains local changes to the doxygen configuration
 # please us '+=' to add file/directories to the lists
 
@@ -32,4 +35,4 @@ USE_MDFILE_AS_MAINPAGE = @top_srcdir@/doc/doxygen/mainpage.md
 # IMAGE_PATH            += @top_srcdir@/dune/functions/pics
 
 # Generate documentation for friend functions
-HIDE_FRIEND_COMPOUNDS = NO
+HIDE_FRIEND_COMPOUNDS = NO

Diff for: doc/doxygen/.gitignore

@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later

Diff for: doc/doxygen/CMakeLists.txt

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 *.atfi
 *.aux
 *.bbl

Diff for: doc/doxygen/Doxylocal

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 dune_add_latex_document(
   SOURCE dune-functions-bases.tex
   FATHER_TARGET doc

Diff for: doc/doxygen/mainpage.md

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@

Diff for: doc/gfx/dune-functions-taylor-hood-tree.svg.license

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # Dune module information file
 
 Module: dune-functions

Diff for: doc/manual/.gitignore

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 add_subdirectory(functions)
 
 if( DUNE_ENABLE_PYTHONBINDINGS )

Diff for: doc/manual/CMakeLists.txt

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #install headers
 
 add_subdirectory(analyticfunctions)

Diff for: dune-functions.pc.in

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 add_subdirectory("test")
 
 install(FILES

Diff for: dune.module

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_ANALYTICFUNCTIONS_POLYNOMIAL_HH
 #define DUNE_FUNCTIONS_ANALYTICFUNCTIONS_POLYNOMIAL_HH
 

Diff for: dune/CMakeLists.txt

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # tests that should build and run successfully
 
 dune_add_test(SOURCES polynomialtest.cc LABELS quick)

Diff for: dune/functions/CMakeLists.txt

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #include <config.h>
 
 #include <iostream>

Diff for: dune/functions/analyticfunctions/CMakeLists.txt

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_ANALYTICFUNCTIONS_TRIGONOMETRICFUNCTION_HH
 #define DUNE_FUNCTIONS_ANALYTICFUNCTIONS_TRIGONOMETRICFUNCTION_HH
 

Diff for: dune/functions/analyticfunctions/polynomial.hh

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 add_subdirectory("test")
 
 install(FILES

Diff for: dune/functions/analyticfunctions/test/CMakeLists.txt

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_BACKEND_CONCEPTS_HH
 #define DUNE_FUNCTIONS_BACKEND_CONCEPTS_HH
 

Diff for: dune/functions/analyticfunctions/test/polynomialtest.cc

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_FUNCTIONSPACEBASES_ISTLVECTORBACKEND_HH
 #define DUNE_FUNCTIONS_FUNCTIONSPACEBASES_ISTLVECTORBACKEND_HH
 

Diff for: dune/functions/analyticfunctions/trigonometricfunction.hh

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # temporary files generated by the test system
 *.log
 *.trs

Diff for: dune/functions/backends/CMakeLists.txt

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 # tests that should build and run successfully
 
 dune_add_test(SOURCES istlvectorbackendtest.cc LABELS quick)

Diff for: dune/functions/backends/concepts.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #include <config.h>
 
 #include <vector>

Diff for: dune/functions/backends/istlvectorbackend.hh

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+# SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 add_subdirectory("test")
 
 install(FILES

Diff for: dune/functions/backends/test/.gitignore

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_DEFAULT_DERIVATIVE_TRAITS_HH
 #define DUNE_FUNCTIONS_COMMON_DEFAULT_DERIVATIVE_TRAITS_HH
 

Diff for: dune/functions/backends/test/CMakeLists.txt

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_DIFFERENTIABLE_FUNCTION_HH
 #define DUNE_FUNCTIONS_COMMON_DIFFERENTIABLE_FUNCTION_HH
 

Diff for: dune/functions/backends/test/istlvectorbackendtest.cc

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_DIFFERENTIABLE_FUNCTION_IMP_HH
 #define DUNE_FUNCTIONS_COMMON_DIFFERENTIABLE_FUNCTION_IMP_HH
 

Diff for: dune/functions/common/CMakeLists.txt

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_DIFFEREENTIONABEFUNCTIONFROMCALLABLES_HH
 #define DUNE_FUNCTIONS_COMMON_DIFFEREENTIONABEFUNCTIONFROMCALLABLES_HH
 

Diff for: dune/functions/common/defaultderivativetraits.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_FUNCTIONCONCEPT_HH
 #define DUNE_FUNCTIONS_COMMON_FUNCTIONCONCEPT_HH
 

Diff for: dune/functions/common/differentiablefunction.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_INDEX_ACCESS_HH
 #define DUNE_FUNCTIONS_COMMON_INDEX_ACCESS_HH
 

Diff for: dune/functions/common/differentiablefunction_imp.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_INTERFACES_HH
 #define DUNE_FUNCTIONS_COMMON_INTERFACES_HH
 

Diff for: dune/functions/common/differentiablefunctionfromcallables.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_LOCAL_FUNCTION_HH
 #define DUNE_FUNCTIONS_COMMON_LOCAL_FUNCTION_HH
 

Diff for: dune/functions/common/functionconcepts.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_LOCALFUNCTION_FUNCTION_IMP_HH
 #define DUNE_FUNCTIONS_COMMON_LOCALFUNCTION_FUNCTION_IMP_HH
 

Diff for: dune/functions/common/indexaccess.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_MULTIINDEX_HH
 #define DUNE_FUNCTIONS_COMMON_MULTIINDEX_HH
 

Diff for: dune/functions/common/interfaces.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_OVERFLOWARRAY_HH
 #define DUNE_FUNCTIONS_COMMON_OVERFLOWARRAY_HH
 

Diff for: dune/functions/common/localfunction.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_POLYMORPHICSMALLOBJECT_HH
 #define DUNE_FUNCTIONS_COMMON_POLYMORPHICSMALLOBJECT_HH
 

Diff for: dune/functions/common/localfunction_imp.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_RESERVEDDEQUE_HH
 #define DUNE_FUNCTIONS_COMMON_RESERVEDDEQUE_HH
 

Diff for: dune/functions/common/multiindex.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_SIGNATURE_HH
 #define DUNE_FUNCTIONS_COMMON_SIGNATURE_HH
 

Diff for: dune/functions/common/overflowarray.hh

@@ -1,5 +1,9 @@
 // -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 // vi: set et ts=4 sw=2 sts=2:
+
+// SPDX-FileCopyrightText: Copyright © DUNE Project contributors, see file AUTHORS.md
+// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception OR LGPL-3.0-or-later
+
 #ifndef DUNE_FUNCTIONS_COMMON_STATICFORLOOP_HH
 #define DUNE_FUNCTIONS_COMMON_STATICFORLOOP_HH