dsinqi man page on OpenIndiana

dsinqi man page on OpenIndiana

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dsinqi(3P)		    Sun Performance Library		    dsinqi(3P)

NAME
       dsinqi  -  initialize the array xWSAVE, which is used in both SINQF and
       SINQB.

SYNOPSIS
       SUBROUTINE DSINQI(N, WSAVE)

       INTEGER N
       DOUBLE PRECISION WSAVE(*)

       SUBROUTINE DSINQI_64(N, WSAVE)

       INTEGER*8 N
       DOUBLE PRECISION WSAVE(*)

   F95 INTERFACE
       SUBROUTINE SINQI(N, WSAVE)

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

       SUBROUTINE SINQI_64(N, WSAVE)

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

   C INTERFACE
       #include <sunperf.h>

       void dsinqi(int n, double *wsave);

       void dsinqi_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	of  dimension (3 * N + 15) or greater.
		 SINQI needs to be called only once to initialize WSAVE before
		 calling  SINQF	 and/or	 SINQB if N and WSAVE remain unchanged
		 between these calls.  Thus, subsequent transforms or  inverse
		 transforms of same size can be obtained faster than the first
		 since they do not require initialization of the workspace.

				  6 Mar 2009			    dsinqi(3P)

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