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slaruv.f - Man Page

SRC/slaruv.f

Synopsis

Functions/Subroutines

subroutine slaruv (iseed, n, x)
SLARUV returns a vector of n random real numbers from a uniform distribution.

Function/Subroutine Documentation

subroutine slaruv (integer, dimension( 4 ) iseed, integer n, real, dimension( n ) x)

SLARUV returns a vector of n random real numbers from a uniform distribution. Ā

Purpose:

``` SLARUV returns a vector of n random real numbers from a uniform (0,1)
distribution (n <= 128).

This is an auxiliary routine called by SLARNV and CLARNV.```
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 REAL array, dimension (N)
The generated random numbers.```
Author

Univ. of Tennessee

Univ. of California Berkeley

NAG Ltd.

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 94 of file slaruv.f.

Author

Generated automatically by Doxygen for LAPACK from the source code.

Referenced By

The man page slaruv(3) is an alias of slaruv.f(3).

Tue Nov 28 2023 12:08:42 Version 3.12.0 LAPACK