Multiresolution Based Grid Adaptation for Triangles and Cartesian Grids

.gitignore

@@ -5,6 +5,7 @@ build/
 
 .deps/
 .libs/
+.cache/
 
 Makefile
 Makefile.in

.gitmodules

@@ -6,3 +6,6 @@
 	path = sc
 	url = https://github.com/cburstedde/libsc.git
 	ignore = dirty
+[submodule "thirdparty/unordered_dense"]
+	path = thirdparty/unordered_dense
+	url = https://github.com/martinus/unordered_dense.git

CMakeLists.txt

@@ -28,6 +28,8 @@ project(
     LANGUAGES C CXX
     VERSION "${T8CODE_VERSION_MAJOR}.${T8CODE_VERSION_MINOR}.${T8CODE_VERSION_PATCH}" 
     )
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 include( GNUInstallDirs)
 include( CTest )
@@ -52,6 +54,7 @@ option( T8CODE_BUILD_FORTRAN_INTERFACE "Build t8code's Fortran interface" OFF )
 
 option( T8CODE_ENABLE_MPI "Enable t8code's features which rely on MPI" ON )
 option( T8CODE_ENABLE_VTK "Enable t8code's features which rely on VTK" OFF )
+option( T8CODE_ENABLE_MRA "Enable t8code's features which rely on MRA" OFF )
 option( T8CODE_ENABLE_OCC "Enable t8code's features which rely on OpenCASCADE" OFF )
 option( T8CODE_ENABLE_NETCDF "Enable t8code's features which rely on netCDF" OFF )
 
@@ -106,6 +109,13 @@ if( T8CODE_ENABLE_VTK )
     endif (VTK_FOUND)
 endif( T8CODE_ENABLE_VTK )
 
+if( T8CODE_ENABLE_MRA )
+  find_package(GSL REQUIRED)
+  if(GSL_FOUND)
+    message("Found GSL")
+  endif(GSL_FOUND)
+endif( T8CODE_ENABLE_MRA )
+
 if( T8CODE_ENABLE_OCC )
     find_package( OpenCASCADE REQUIRED COMPONENTS
     TKBO TKPrim TKTopAlgo

src/CMakeLists.txt

@@ -122,6 +122,74 @@ if( T8CODE_ENABLE_OCC )
     )
 endif()
 
+if( T8CODE_ENABLE_MRA )
+  target_compile_definitions( T8 PUBLIC T8_ENABLE_MRA )
+
+  # Add GSL library 
+  target_link_libraries( T8 PUBLIC GSL::gsl GSL::gslcblas )
+
+  # Add unordered_dense library https://github.com/martinus/unordered_dense
+  set( UNORDERED_DENSE_DIR "${CMAKE_SOURCE_DIR}/thirdparty/unordered_dense/include" )
+
+  target_include_directories(T8 PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/src>
+    $<BUILD_INTERFACE:${UNORDERED_DENSE_DIR}>
+    $<INSTALL_INTERFACE:include>
+  )
+
+  target_sources( T8 PRIVATE
+    t8_mra/num/basis_functions.cxx
+    t8_mra/num/dunavant.cxx
+  )
+
+  install( FILES
+    t8_mra/t8_mra.hxx
+    DESTINATION include/t8_mra )
+
+  install( FILES
+    t8_mra/core/base.hxx
+    t8_mra/core/adaptation.hxx
+    t8_mra/core/mst.hxx
+    DESTINATION include/t8_mra/core )
+
+  install( FILES
+    t8_mra/io/vtk.hxx
+    DESTINATION include/t8_mra/io )
+
+  install( FILES
+    t8_mra/shapes/triangle.hxx
+    t8_mra/shapes/cartesian.hxx
+    DESTINATION include/t8_mra/shapes )
+
+  install( FILES
+    t8_mra/criteria/coarsening_criterion.hxx
+    t8_mra/criteria/refinement_criterion.hxx
+    DESTINATION include/t8_mra/criteria )
+
+  install( FILES
+    t8_mra/data/element_data.hxx
+    t8_mra/data/levelindex_map.hxx
+    t8_mra/data/levelindex_set.hxx
+    t8_mra/data/levelmultiindex.hxx
+    t8_mra/data/triangle_order.hxx
+    DESTINATION include/t8_mra/data )
+
+  install( FILES
+    t8_mra/num/basis_functions.hxx
+    t8_mra/num/dg_basis.hxx
+    t8_mra/num/dunavant.hxx
+    t8_mra/num/geometry.hxx
+    t8_mra/num/legendre_basis.hxx
+    t8_mra/num/mask_coefficients.hxx
+    t8_mra/num/mask_coefficients_compute.hxx
+    t8_mra/num/mask_coefficients_triangle.hxx
+    t8_mra/num/mat.hxx
+    t8_mra/num/multiindex.hxx
+    t8_mra/num/quadrature.hxx
+    t8_mra/num/vec.hxx
+    DESTINATION include/t8_mra/num )
+endif()
+
 if( T8CODE_BUILD_PEDANTIC )
   target_compile_options( T8 PUBLIC -pedantic )
   set (T8_CXXFLAGS "${T8_CXXFLAGS} -Wpedantic")