1 | /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | // Declarations for 2D FFT routines in third_party/fft2d/fft2d. |
17 | |
18 | #ifndef FFT2D_FFT_H__ |
19 | #define FFT2D_FFT_H__ |
20 | |
21 | #ifdef __cplusplus |
22 | extern "C" { |
23 | #endif |
24 | |
25 | extern void cdft2d(int, int, int, double **, double *, int *, double *); |
26 | extern void rdft2d(int, int, int, double **, double *, int *, double *); |
27 | extern void ddct2d(int, int, int, double **, double *, int *, double *); |
28 | extern void ddst2d(int, int, int, double **, double *, int *, double *); |
29 | extern void rdft2dsort(int, int, int, double **); |
30 | extern void ddct8x8s(int isgn, double **a); |
31 | extern void ddct16x16s(int isgn, double **a); |
32 | |
33 | |
34 | #ifdef __cplusplus |
35 | } |
36 | #endif |
37 | |
38 | #endif // FFT2D_FFT_H__ |
39 | |