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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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// Declarations for 2D FFT routines in third_party/fft2d/fft2d.
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#ifndef FFT2D_FFT_H__
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#define FFT2D_FFT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void cdft2d(int, int, int, double **, double *, int *, double *);
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extern void rdft2d(int, int, int, double **, double *, int *, double *);
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extern void ddct2d(int, int, int, double **, double *, int *, double *);
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extern void ddst2d(int, int, int, double **, double *, int *, double *);
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extern void rdft2dsort(int, int, int, double **);
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extern void ddct8x8s(int isgn, double **a);
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extern void ddct16x16s(int isgn, double **a);
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#ifdef __cplusplus
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}
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#endif
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#endif // FFT2D_FFT_H__
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