DLARNV man page on IRIX

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DLARNV(3F)							    DLARNV(3F)

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 normal
     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.

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