vsint - compute the discrete Fourier sine transform of an odd sequence. The VSINT transforms are unnormalized inverses of themselves, so a call of VSINT followed by another call of VSINT will multiply the input sequence by 2 * (N+1). The VSINT transforms are normalized, so a call of VSINT followed by a call of VSINT will return the original sequence.
SUBROUTINE VSINT(M, N, X, XT, MDIMX, WSAVE) INTEGER M, N, MDIMX REAL X(MDIMX,*), XT(MDIMX,*), WSAVE(*) SUBROUTINE VSINT_64(M, N, X, XT, MDIMX, WSAVE) INTEGER*8 M, N, MDIMX REAL X(MDIMX,*), XT(MDIMX,*), WSAVE(*) F95 INTERFACE SUBROUTINE SINT(M, N, X, XT, MDIMX, WSAVE) INTEGER :: M, N, MDIMX REAL, DIMENSION(:) :: WSAVE REAL, DIMENSION(:,:) :: X, XT SUBROUTINE SINT_64(M, N, X, XT, MDIMX, WSAVE) INTEGER(8) :: M, N, MDIMX REAL, DIMENSION(:) :: WSAVE REAL, DIMENSION(:,:) :: X, XT C INTERFACE #include <sunperf.h> void vsint(int m, int n, float *x, float *xt, int mdimx, float *wsave); void vsint_64(long m, long n, float *x, float *xt, long mdimx, float *wsave);
Oracle Solaris Studio Performance Library vsint(3P) NAME vsint - compute the discrete Fourier sine transform of an odd sequence. The VSINT transforms are unnormalized inverses of themselves, so a call of VSINT followed by another call of VSINT will multiply the input sequence by 2 * (N+1). The VSINT transforms are normalized, so a call of VSINT followed by a call of VSINT will return the original sequence. SYNOPSIS SUBROUTINE VSINT(M, N, X, XT, MDIMX, WSAVE) INTEGER M, N, MDIMX REAL X(MDIMX,*), XT(MDIMX,*), WSAVE(*) SUBROUTINE VSINT_64(M, N, X, XT, MDIMX, WSAVE) INTEGER*8 M, N, MDIMX REAL X(MDIMX,*), XT(MDIMX,*), WSAVE(*) F95 INTERFACE SUBROUTINE SINT(M, N, X, XT, MDIMX, WSAVE) INTEGER :: M, N, MDIMX REAL, DIMENSION(:) :: WSAVE REAL, DIMENSION(:,:) :: X, XT SUBROUTINE SINT_64(M, N, X, XT, MDIMX, WSAVE) INTEGER(8) :: M, N, MDIMX REAL, DIMENSION(:) :: WSAVE REAL, DIMENSION(:,:) :: X, XT C INTERFACE #include <sunperf.h> void vsint(int m, int n, float *x, float *xt, int mdimx, float *wsave); void vsint_64(long m, long n, float *x, float *xt, long mdimx, float *wsave); ARGUMENTS M (input) The number of sequences to be transformed. M >= 0. N (input) Length of the sequence to be transformed. These subroutines are most efficient when N+1 is a product of small primes. N >= 0. X (input/output) On entry, a real two-dimensional array with dimensions of (MDIMX x (N+1)) whose rows contain the sequences to be trans- formed. On exit, the sine transform of the input. XT (input/output) A real two-dimensional work array with dimensions of (MDIMX x (N+1)). MDIMX (input) Leading dimension of the arrays X and XT as specified in a dimension or type statement. MDIMX >= M. WSAVE (input) On entry, an array with dimension of at least int(2.5 * N + 15) initialized by VSINTI. 7 Nov 2015 vsint(3P)