1 /* Copyright 2020 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_KERNELS_INTERNAL_CPPMATH_H_ 16 #define TENSORFLOW_LITE_KERNELS_INTERNAL_CPPMATH_H_ 17 18 #include <cmath> 19 20 namespace tflite { 21 22 #if defined(TF_LITE_USE_GLOBAL_CMATH_FUNCTIONS) || \ 23 (defined(__ANDROID__) && !defined(__NDK_MAJOR__)) || defined(__ZEPHYR__) 24 #define TF_LITE_GLOBAL_STD_PREFIX 25 #else 26 #define TF_LITE_GLOBAL_STD_PREFIX std 27 #endif 28 29 #define DECLARE_STD_GLOBAL_SWITCH1(tf_name, std_name) \ 30 template <class T> \ 31 inline T tf_name(const T x) { \ 32 return TF_LITE_GLOBAL_STD_PREFIX::std_name(x); \ 33 } 34 35 DECLARE_STD_GLOBAL_SWITCH1(TfLiteRound, round); 36 DECLARE_STD_GLOBAL_SWITCH1(TfLiteExpm1, expm1); 37 38 } // namespace tflite 39 40 #endif // TENSORFLOW_LITE_KERNELS_INTERNAL_CPPMATH_H_ 41