dlaruv man page on YellowDog

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DLARUV(l)			       )			     DLARUV(l)

NAME
       DLARUV - return a vector of n random real numbers from a uniform (0,1)

SYNOPSIS
       SUBROUTINE DLARUV( ISEED, N, X )

	   INTEGER	  N

	   INTEGER	  ISEED( 4 )

	   DOUBLE	  PRECISION X( N )

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.

ARGUMENTS
       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. N <= 128.

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

FURTHER DETAILS
       This routine uses a multiplicative  congruential	 method	 with  modulus
       2**48 and multiplier 33952834046453 (see G.S.Fishman,
       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.

LAPACK version 3.0		 15 June 2000			     DLARUV(l)
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