dlarnv man page on YellowDog

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DLARNV(l)			       )			     DLARNV(l)

NAME
       DLARNV  -  return  a  vector of n random real numbers from a uniform or
       normal distribution

SYNOPSIS
       SUBROUTINE DLARNV( IDIST, ISEED, N, X )

	   INTEGER	  IDIST, N

	   INTEGER	  ISEED( 4 )

	   DOUBLE	  PRECISION X( * )

PURPOSE
       DLARNV returns a vector of n random real numbers from a uniform or nor‐
       mal distribution.

ARGUMENTS
       IDIST   (input) INTEGER
	       Specifies the distribution of the random numbers:
	       = 1:  uniform (0,1)
	       = 2:  uniform (-1,1)
	       = 3:  normal (0,1)

       ISEED   (input/output) 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       (input) INTEGER
	       The number of random numbers to be generated.

       X       (output) DOUBLE PRECISION array, dimension (N)
	       The generated random numbers.

FURTHER DETAILS
       This routine calls the auxiliary routine DLARUV 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.

LAPACK version 3.0		 15 June 2000			     DLARNV(l)
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