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Manual Reference Pages  - mtprng_rand_range (3m_random)

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NAME

mtprng_rand_range(3f) - [M_random:MERSENNE TWISTER] Obtain a pseudo-random integer in the range [lo,hi] (LICENSE:CUSTOM OPEN)

CONTENTS

Synopsis
Description
Options
Returns
Example

SYNOPSIS

function mtprng_rand_range(state, lo, hi) result(r) type(mtprng_state), intent(inout) :: state integer, intent(in) :: lo integer, intent(in) :: hi integer(INT32) :: r

DESCRIPTION

Obtain a pseudo-random integer in the range [lo,hi]

OPTIONS

state	generator state initialized by mtprng_init(3f) or mtprng_init_array(3f)
lo	lowest value in desired range of values to return
hi	highest value in desired range of values to return

RETURNS

r	returned pseudo-random value in range from LO to HI

EXAMPLE

Sample program:

   program demo_mtprng_rand_range
   use M_random, only : mtprng_state, mtprng_init, mtprng_rand_range
   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)
     write(*,*) mtprng_rand_range(state,20,30)
   end program demo_mtprng_rand_range

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Nemo Release 3.1

mtprng_rand_range (3m_random)

April 12, 2023

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