program demo_mtprng_rand use M_random, only : mtprng_state, mtprng_init, mtprng_rand use, intrinsic :: iso_fortran_env, only : int32 implicit none integer(INT32) :: seed type(mtprng_state) :: state GET_SEED: block integer :: count integer :: count_rate call system_clock(count, count_rate) seed = count endblock GET_SEED call mtprng_init(seed, state) ! returns a INT32 integer with a range in 0 .. 2^31-1 write(*,*) mtprng_rand(state) end program demo_mtprng_rand