Draft: Trying out parameterized derived data types

Drastic change of user-defined pointer type notation, and addition of support tools for casting between user-defined pointer types

src/CMakeLists.txt

@@ -78,6 +78,10 @@ if(FS_ENABLE_MIXED_PRECISION)
   target_compile_definitions(fortran-support PRIVATE __MIXED_PRECISION)
 endif()
 
+if(FS_ENABLE_SINGLE_PRECISION)
+  target_compile_definitions(fortran-support PRIVATE __SINGLE_PRECISION)
+endif()
+
 include("${PROJECT_SOURCE_DIR}/cmake/check_macro.cmake")
 check_macro_defined(HAS_OPENACC_MACRO _OPENACC QUIET)
 if(FS_ENABLE_OPENACC)