clarnv.f man page on Oracle

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[printable version]

```clarnv.f(3)			    LAPACK			   clarnv.f(3)

NAME
clarnv.f -

SYNOPSIS
Functions/Subroutines
subroutine clarnv (IDIST, ISEED, N, X)
CLARNV returns a vector of random numbers from a uniform or normal
distribution.

Function/Subroutine Documentation
subroutine clarnv (integerIDIST, integer, dimension( 4 )ISEED, integerN,
complex, dimension( * )X)
CLARNV returns a vector of random numbers from a uniform or normal
distribution.

Purpose:

CLARNV returns a vector of n random complex numbers from a uniform or
normal distribution.

Parameters:
IDIST

IDIST is INTEGER
Specifies the distribution of the random numbers:
= 1:  real and imaginary parts each uniform (0,1)
= 2:  real and imaginary parts each uniform (-1,1)
= 3:  real and imaginary parts each normal (0,1)
= 4:  uniformly distributed on the disc abs(z) < 1
= 5:  uniformly distributed on the circle abs(z) = 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.

N

N is INTEGER
The number of random numbers to be generated.

X

X is COMPLEX array, dimension (N)
The generated random numbers.

Author:
Univ. of Tennessee

Univ. of California Berkeley

NAG Ltd.

Date:
September 2012

Further Details:

This routine calls the auxiliary routine SLARUV to generate random
real numbers from a uniform (0,1) distribution, in batches of up to
128 using vectorisable code. The Box-Muller method is used to
transform numbers from a uniform to a normal distribution.

Definition at line 100 of file clarnv.f.

Author
Generated automatically by Doxygen for LAPACK from the source code.

Version 3.4.2			Tue Sep 25 2012			   clarnv.f(3)
```
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