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