TESTING/MATGEN/slarnd.f(3) | Library Functions Manual | TESTING/MATGEN/slarnd.f(3) |
NAME
TESTING/MATGEN/slarnd.f
SYNOPSIS
Functions/Subroutines
real function slarnd (idist, iseed)
SLARND
Function/Subroutine Documentation
real function slarnd (integer idist, integer, dimension( 4 ) iseed)
SLARND
Purpose:
SLARND returns a random real number from a uniform or normal distribution.
Parameters
IDIST
IDIST is INTEGER Specifies the distribution of the random numbers: = 1: uniform (0,1) = 2: uniform (-1,1) = 3: normal (0,1)
ISEED
ISEED is INTEGER array, dimension (4) On entry, the seed of the random number generator; the array elements must be between 0 and 4095, and ISEED(4) must be odd. On exit, the seed is updated.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Further Details:
This routine calls the auxiliary routine SLARAN to generate a random real number from a uniform (0,1) distribution. The Box-Muller method is used to transform numbers from a uniform to a normal distribution.
Definition at line 72 of file slarnd.f.
Author
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