dezftb - computes a periodic sequence from its Fourier coefficients. DEZFTB is a simplified but slower version of DFFTB. =head1 SYNOPSIS
SUBROUTINE DEZFTB( N, R, AZERO, A, B, WSAVE) INTEGER N DOUBLE PRECISION AZERO DOUBLE PRECISION R(*), A(*), B(*), WSAVE(*)
SUBROUTINE DEZFTB_64( N, R, AZERO, A, B, WSAVE) INTEGER*8 N DOUBLE PRECISION AZERO DOUBLE PRECISION R(*), A(*), B(*), WSAVE(*)
SUBROUTINE DEZFTB( N, R, AZERO, A, B, WSAVE) INTEGER :: N REAL(8) :: AZERO REAL(8), DIMENSION(:) :: R, A, B, WSAVE
SUBROUTINE DEZFTB_64( N, R, AZERO, A, B, WSAVE) INTEGER(8) :: N REAL(8) :: AZERO REAL(8), DIMENSION(:) :: R, A, B, WSAVE
#include <sunperf.h>
void dezftb(int n, double *r, double azero, double *a, double *b, double *wsave);
void dezftb_64(long n, double *r, double azero, double *a, double *b, double *wsave);