1*b6fb3261SAndroid Build Coastguard Worker /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2*b6fb3261SAndroid Build Coastguard Worker 3*b6fb3261SAndroid Build Coastguard Worker Licensed under the Apache License, Version 2.0 (the "License"); 4*b6fb3261SAndroid Build Coastguard Worker you may not use this file except in compliance with the License. 5*b6fb3261SAndroid Build Coastguard Worker You may obtain a copy of the License at 6*b6fb3261SAndroid Build Coastguard Worker 7*b6fb3261SAndroid Build Coastguard Worker http://www.apache.org/licenses/LICENSE-2.0 8*b6fb3261SAndroid Build Coastguard Worker 9*b6fb3261SAndroid Build Coastguard Worker Unless required by applicable law or agreed to in writing, software 10*b6fb3261SAndroid Build Coastguard Worker distributed under the License is distributed on an "AS IS" BASIS, 11*b6fb3261SAndroid Build Coastguard Worker WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*b6fb3261SAndroid Build Coastguard Worker See the License for the specific language governing permissions and 13*b6fb3261SAndroid Build Coastguard Worker limitations under the License. 14*b6fb3261SAndroid Build Coastguard Worker ==============================================================================*/ 15*b6fb3261SAndroid Build Coastguard Worker 16*b6fb3261SAndroid Build Coastguard Worker // Declarations for 2D FFT routines in third_party/fft2d/fft2d. 17*b6fb3261SAndroid Build Coastguard Worker 18*b6fb3261SAndroid Build Coastguard Worker #ifndef FFT2D_FFT_H__ 19*b6fb3261SAndroid Build Coastguard Worker #define FFT2D_FFT_H__ 20*b6fb3261SAndroid Build Coastguard Worker 21*b6fb3261SAndroid Build Coastguard Worker #ifdef __cplusplus 22*b6fb3261SAndroid Build Coastguard Worker extern "C" { 23*b6fb3261SAndroid Build Coastguard Worker #endif 24*b6fb3261SAndroid Build Coastguard Worker 25*b6fb3261SAndroid Build Coastguard Worker extern void cdft2d(int, int, int, double **, double *, int *, double *); 26*b6fb3261SAndroid Build Coastguard Worker extern void rdft2d(int, int, int, double **, double *, int *, double *); 27*b6fb3261SAndroid Build Coastguard Worker extern void ddct2d(int, int, int, double **, double *, int *, double *); 28*b6fb3261SAndroid Build Coastguard Worker extern void ddst2d(int, int, int, double **, double *, int *, double *); 29*b6fb3261SAndroid Build Coastguard Worker extern void rdft2dsort(int, int, int, double **); 30*b6fb3261SAndroid Build Coastguard Worker extern void ddct8x8s(int isgn, double **a); 31*b6fb3261SAndroid Build Coastguard Worker extern void ddct16x16s(int isgn, double **a); 32*b6fb3261SAndroid Build Coastguard Worker 33*b6fb3261SAndroid Build Coastguard Worker 34*b6fb3261SAndroid Build Coastguard Worker #ifdef __cplusplus 35*b6fb3261SAndroid Build Coastguard Worker } 36*b6fb3261SAndroid Build Coastguard Worker #endif 37*b6fb3261SAndroid Build Coastguard Worker 38*b6fb3261SAndroid Build Coastguard Worker #endif // FFT2D_FFT_H__ 39