dlaruv.f(3) LAPACK dlaruv.f(3)NAMEdlaruv.f-
SYNOPSIS
Functions/Subroutines
subroutine dlaruv (ISEED, N, X)
DLARUV returns a vector of n random real numbers from a uniform
distribution.
Function/Subroutine Documentation
subroutine dlaruv (integer, dimension( 4 )ISEED, integerN, double
precision, dimension( n )X)
DLARUV returns a vector of n random real numbers from a uniform
distribution.
Purpose:
DLARUV returns a vector of n random real numbers from a uniform (0,1)
distribution (n <= 128).
This is an auxiliary routine called by DLARNV and ZLARNV.
Parameters:
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.
N
N is INTEGER
The number of random numbers to be generated. N <= 128.
X
X is DOUBLE PRECISION array, dimension (N)
The generated random numbers.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Further Details:
This routine uses a multiplicative congruential method with modulus
2**48 and multiplier 33952834046453 (see G.S.Fishman,
'Multiplicative congruential random number generators with modulus
2**b: an exhaustive analysis for b = 32 and a partial analysis for
b = 48', Math. Comp. 189, pp 331-344, 1990).
48-bit integers are stored in 4 integer array elements with 12 bits
per element. Hence the routine is portable across machines with
integers of 32 bits or more.
Definition at line 96 of file dlaruv.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.2 Tue Sep 25 2012 dlaruv.f(3)
