program demo_mtprng_rand64 use M_random, only : mtprng_state, mtprng_init, mtprng_rand64 use, intrinsic :: iso_fortran_env, only : int32, int64 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) write(*,*) mtprng_rand64(state) end program demo_mtprng_rand64