| // Copyright 2006 Google Inc. All Rights Reserved. |
| // Author: popat@google.com (Ashok C. Popat) |
| // |
| // Declarations for third-party 1D FFT routines in third_party/fft2d/fft2d. |
| |
| #ifndef THIRD_PARTY_FFT2D_FFT_H__ |
| #define THIRD_PARTY_FFT2D_FFT_H__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern void cdft(int, int, double *, int *, double *); |
| extern void rdft(int, int, double *, int *, double *); |
| extern void ddct(int, int, double *, int *, double *); |
| extern void ddst(int, int, double *, int *, double *); |
| extern void dfct(int, double *, double *, int *, double *); |
| extern void dfst(int, double *, double *, int *, double *); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // THIRD_PARTY_FFT2D_FFT_H__ |
