module m_precision use, intrinsic :: iso_fortran_env, only: int32, int64, real64 implicit none integer, parameter :: ip = int32 !! Default integer precision integer, parameter :: ip_long = int64 !! Default long integer precision integer, parameter :: rp = real64 !! Default real precision integer, parameter :: sizeof_char = 1 !! Size of a char in bytes integer, parameter :: sizeof_int = 4 !! Size of a default int in bytes integer, parameter :: sizeof_long_int = 8 !! Size of a default long int in bytes integer, parameter :: sizeof_real = 8 !! Size of a default real in bytes end module m_precision