ISO_Fortran_binding_m

This repository provides an interface to the ISO_Fortran_binding.h C header file defined in the Fortran standard. The interface is defined in the repository's iso_fortran_binding_m module and includes definitions of

• Kind parameters: CFI_index_t, CFI_rank_t, CFI_attribute_t, and CFI_type_t;
• C-interoperable dervied types: CFI_dim_t and CFI_cdesc_t; and
• Wrappers for standard functions: cfi_address_, cfi_allocate_, cfi_deallocate_, cfi_establish_, cfi_establish, cfi_is_contiguous, cfi_section_, cfi_select_part_, and cfi_setpointer_; and
• Utility functions: base_addr, elem_len, version, rank, type, attribute, and lower_bound, extent, sm, and cfi_sizeof

with the wrapper function names contain trailing underscores appended to the function names of each wrapped standard function.

Downloading and Building

git clone https://github.com/BerkeleyLab/ISO_fortran_binding_m
cd ISO_fortran_binding_m

GCC

With the GCC 13 C compiler (gcc) installed and at the front of your PATH, execute

FPM_CC=gcc fpm test

macOS users may need to fix their path to ensure that the gcc that is used is the GNU gcc. You can also use the command

FPM_CC=gfortran fpm test

macOS with Homebrew-installed GCC

FPM_CC=gcc-13 fpm test

which will ensure the use of the GNU gcc rather than Apple clang, which is aliased to gcc on most macOS systems. If the Apple Clang gcc is accidentally used, an error will likely occur around not being able to find ISO_Fortran_binding.h.

NAG

fpm build --compiler nagfor --flag -fpp