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C Library Functions  - init_random_seed_by_system_clock (3)

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NAME

init_random_seed_by_system_clock(3f) - [M_random] seed random_number(3f) with system clock value (LICENSE:MIT)

CONTENTS

Synopsis
Description
Examples
Author
License

SYNOPSIS

subroutine init_random_seed_by_system_clock()

DESCRIPTION

A simple wrapper around random_seed(3f) that uses the system clock to initialize the seed so you can easily call random_number(3f) with varying pseudo-random real number sequences

EXAMPLES

Sample program:

    program demo_init_random_seed_by_system_clock
    use M_random, only : init_random_seed_by_system_clock
    integer :: i
    real    :: x
       call init_random_seed_by_system_clock()
       do i=1,10
          ! generate real pseudo-random numbers from 0 to <1.0
          call random_number(x)
          write(*,*)i,x
       enddo
    end program demo_init_random_seed_by_system_clock

Results

    >   1  0.661672294
    >   2  0.274969578
    >   3  0.683666587
    >   4   7.35652447E-02
    >   5  0.457893968
    >   6  0.826303899
    >   7  0.727411628
    >   8  0.542535722
    >   9  0.983459771
    >  10  0.527638793

AUTHOR

John S. Urban

LICENSE

MIT License

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Nemo Release 3.1

init_random_seed_by_system_clock (3)

June 29, 2025

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