costi man page on OpenIndiana

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costi(3P)		    Sun Performance Library		     costi(3P)

NAME
       costi - initialize the array WSAVE, which is used in COST.

SYNOPSIS
       SUBROUTINE COSTI(N, WSAVE)

       INTEGER N
       REAL WSAVE(*)

       SUBROUTINE COSTI_64(N, WSAVE)

       INTEGER*8 N
       REAL WSAVE(*)

   F95 INTERFACE
       SUBROUTINE COSTI(N, WSAVE)

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

       SUBROUTINE COSTI_64(N, WSAVE)

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

   C INTERFACE
       #include <sunperf.h>

       void costi(int n, float *wsave);

       void costi_64(long n, float *wsave);

ARGUMENTS
       N (input) Length of the sequence to be transformed.  The method is most
		 efficient when N - 1 is a product of small primes.  N >= 2.

       WSAVE (input/output)
		 On entry, an array of dimension (3 *  N  +  15)  or  greater.
		 COSTI	is called once to initialize WSAVE before calling COST
		 and need not be called again between calls to COST if	N  and
		 WSAVE	remain unchanged.  Thus, subsequent transforms of same
		 size can be obtained faster than the first since they do  not
		 require initialization of the workspace.

				  6 Mar 2009			     costi(3P)
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