vdsinqi man page on OpenIndiana

vdsinqi man page on OpenIndiana

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vdsinqi(3P)		    Sun Performance Library		   vdsinqi(3P)

NAME
       vdsinqi	- initialize the array WSAVE, which is used in both VSINQF and
       VSINQB.

SYNOPSIS
       SUBROUTINE VDSINQI(N, WSAVE)

       INTEGER N
       DOUBLE PRECISION WSAVE(*)

       SUBROUTINE VDSINQI_64(N, WSAVE)

       INTEGER*8 N
       DOUBLE PRECISION WSAVE(*)

   F95 INTERFACE
       SUBROUTINE VSINQI(N, WSAVE)

       INTEGER :: N
       REAL(8), DIMENSION(:) :: WSAVE

       SUBROUTINE VSINQI_64(N, WSAVE)

       INTEGER(8) :: N
       REAL(8), DIMENSION(:) :: WSAVE

   C INTERFACE
       #include <sunperf.h>

       void vdsinqi(int n, double *wsave);

       void vdsinqi_64(long n, double *wsave);

ARGUMENTS
       N (input) Length of the sequence to be transformed.  The method is most
		 efficient when N is a product of small primes.

       WSAVE (input/output)
		 On entry, an array with a dimension of at least (2 * N + 15).
		 The same work array can be used for both VSINQF and VSINQB as
		 long  as  N  remains  unchanged.   Different WSAVE arrays are
		 required for different values of N.  This initialization does
		 not  have to be repeated between calls to VSINQF or VSINQB as
		 long as N and WSAVE remain unchanged, thus subsequent	trans‐
		 forms can be obtained faster than the first.

				  6 Mar 2009			   vdsinqi(3P)

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