1SLARNV(1)           LAPACK auxiliary routine (version 3.2)           SLARNV(1)
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NAME

6       SLARNV  -  returns  a vector of n random real numbers from a uniform or
7       normal distribution
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SYNOPSIS

10       SUBROUTINE SLARNV( IDIST, ISEED, N, X )
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12           INTEGER        IDIST, N
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14           INTEGER        ISEED( 4 )
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16           REAL           X( * )
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PURPOSE

19       SLARNV returns a vector of n random real numbers from a uniform or nor‐
20       mal distribution.
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ARGUMENTS

23       IDIST   (input) INTEGER
24               Specifies the distribution of the random numbers:
25               = 1:  uniform (0,1)
26               = 2:  uniform (-1,1)
27               = 3:  normal (0,1)
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29       ISEED   (input/output) INTEGER array, dimension (4)
30               On  entry,  the  seed of the random number generator; the array
31               elements must be between 0 and 4095, and ISEED(4) must be  odd.
32               On exit, the seed is updated.
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34       N       (input) INTEGER
35               The number of random numbers to be generated.
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37       X       (output) REAL array, dimension (N)
38               The generated random numbers.
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FURTHER DETAILS

41       This routine calls the auxiliary routine SLARUV to generate random real
42       numbers from a uniform (0,1) distribution, in  batches  of  up  to  128
43       using  vectorisable  code.  The  Box-Muller method is used to transform
44       numbers from a uniform to a normal distribution.
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48 LAPACK auxiliary routine (versionNo3v.e2m)ber 2008                       SLARNV(1)