XLPack 6.1
C/C++ API Reference Manual
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Functions
J1a3. One-dimensional quarter trigonometric fast Fourier transforms

Functions

void _cosq1b (int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter cosine backward transform
 
void _cosq1f (int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter cosine transform
 
void _cosq1i (int n, double wsave[], int lwsave, int *info)
 Initialization of work data fpr cosq1f and cosq1b
 
void _cosqmb (int lot, int jump, int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter cosine backward transform (multiple sequences)
 
void _cosqmf (int lot, int jump, int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter cosine transform (multiple sequences)
 
void _cosqmi (int n, double wsave[], int lwsave, int *info)
 Initialization of work data for cosqmf and cosqmb
 
void _sinq1b (int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter sine backward transform
 
void _sinq1f (int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter sine transform
 
void _sinq1i (int n, double wsave[], int lwsave, int *info)
 Initialization of work data for sinq1f and sinq1b
 
void _sinqmb (int lot, int jump, int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter sine backward transform (multiple sequences)
 
void _sinqmf (int lot, int jump, int n, int inc, double r[], int lr, double wsave[], int lwsave, double work[], int lwork, int *info)
 One-dimensional quarter sine transform (multiple sequences)
 
void _sinqmi (int n, double wsave[], int lwsave, int *info)
 Initialization of work data for sinqmf and sinqmb
 

Detailed Description

This is the group of J1a3. One-dimensional quarter trigonometric fast Fourier transforms.