1 /* Copyright 2018 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 #ifndef TENSORFLOW_LITE_EXPERIMENTAL_MICROFRONTEND_LIB_FFT_UTIL_H_ 16 #define TENSORFLOW_LITE_EXPERIMENTAL_MICROFRONTEND_LIB_FFT_UTIL_H_ 17 18 #include "tensorflow/lite/experimental/microfrontend/lib/fft.h" 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 // Prepares and FFT for the given input size. 25 int FftPopulateState(struct FftState* state, size_t input_size); 26 27 // Frees any allocated buffers. 28 void FftFreeStateContents(struct FftState* state); 29 30 #ifdef __cplusplus 31 } // extern "C" 32 #endif 33 34 #endif // TENSORFLOW_LITE_EXPERIMENTAL_MICROFRONTEND_LIB_FFT_UTIL_H_ 35