NAME
TESTING/MATGEN/dlarnd.f
SYNOPSIS
Functions/Subroutines
double precision function dlarnd (idist, iseed)
DLARND
Function/Subroutine Documentation
double precision function dlarnd (integer idist, integer, dimension( 4 ) iseed)
DLARND
Purpose:
!> !> DLARND 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 DLARAN 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 dlarnd.f.
Author
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