Added mumps.h in linear_algebra and mumps_testing directory (ready for review)

Author: Matteo-Coppellotti

.gitignore

@@ -10,6 +10,19 @@
 test/fdapde_test
 test/.cache
 test/build/
+
+# Mumps testing
+mumps_testing/mumps_fdapde_test
+mumps_testing/.cache
+mumps_testing/build/
+mumps_testing/data/build/
+mumps_testing/test_output.log
+
+!mumps_testing/CMakeLists.txt
+!mumps_testing/user_config.cmake
+!mumps_testing/data/CMakeLists.txt
+
+
 build/
 CMakeFiles/
 .DS_Store

fdaPDE/linear_algebra/mumps.h

@@ -0,0 +1,82 @@
+cmake_minimum_required(VERSION 3.14)
+
+project(MUMPS_TESTING CXX Fortran)
+
+set(CMAKE_CXX_STANDARD 23)
+
+set(CMAKE_CXX_FLAGS "-O -fopenmp -Wno-deprecated-declarations")
+set(CMAKE_Fortran_FLAGS "-O -fopenmp")
+
+find_package(MPI REQUIRED)
+find_package(OpenMP REQUIRED)
+
+# Fetch the user defined directories
+include(${CMAKE_SOURCE_DIR}/user_config.cmake)
+
+# Define library directories
+set(IEIGENDIR "${EIGENDIR}")
+set(LPORDDIR "${MUMPSDIR}/PORD/lib")
+set(IDMUMPSDIR "${MUMPSDIR}/include")
+set(LDMUMPSDIR "${MUMPSDIR}/lib")
+
+# Define library variables
+set(LIBS_DMUMPS "dmumps" "mumps_common")
+set(LIBS_SCOTCH "ptesmumps" "ptscotch" "ptscotcherr")
+set(LIBS_METIS "parmetis" "metis")
+set(LIBS_PORD "pord")
+set(LIBS_LAPACK "lapack")
+set(LIBS_SCALAPACK "scalapack-openmpi")
+set(LIBS_BLAS "blas")
+set(LIBS_OTHERS "pthread" "stdc++")
+
+# enable testing functionality using gtest
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  # version 1.14.0
+  URL https://github.com/google/googletest/archive/f8d7d77c06936315286eb55f8de22cd23c188571.zip
+)
+
+# For Windows: Prevent overriding the parent project's compiler/linker settings
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+enable_testing()
+
+add_executable(mumps_fdapde_test main.cpp)
+set_target_properties(mumps_fdapde_test PROPERTIES LINKER_LANGUAGE Fortran)
+
+target_include_directories(mumps_fdapde_test PRIVATE
+    ${IEIGENDIR}
+    ${IDMUMPSDIR}
+    ${MPI_INCLUDE_PATH}
+)
+
+target_link_directories(mumps_fdapde_test PRIVATE
+    ${LSCOTCHDIR}
+    ${LPORDDIR}
+    ${LMETISDIR}
+    ${LDMUMPSDIR}
+)
+
+target_link_libraries(mumps_fdapde_test PRIVATE
+    ${LIBS_DMUMPS}
+    ${LIBS_SCOTCH}
+    ${LIBS_METIS}
+    ${LIBS_PORD}
+    ${LIBS_LAPACK}
+    ${LIBS_SCALAPACK}
+    ${LIBS_BLAS}
+    ${LIBS_OTHERS}
+    MPI::MPI_Fortran
+    MPI::MPI_CXX
+    OpenMP::OpenMP_CXX
+    gtest_main
+)
+
+add_test(NAME mumps_fdapde_test
+	 COMMAND $<TARGET_FILE:mumps_fdapde_test>
+  )
+
+include(GoogleTest)
+gtest_discover_tests(mumps_fdapde_test)

mumps_testing/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.14)
+
+project(MatrixGenerator CXX)
+
+set(CMAKE_CXX_STANDARD 23)
+
+add_executable(MatrixGenerator src/matrix_generator.cpp)
+
+include(${CMAKE_SOURCE_DIR}/../user_config.cmake)
+
+target_include_directories(MatrixGenerator PRIVATE ${IEIGENDIR})
+
+