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 16 #ifndef TENSORFLOW_CORE_PLATFORM_BYTE_ORDER_H_ 17 #define TENSORFLOW_CORE_PLATFORM_BYTE_ORDER_H_ 18 19 // Byte order defines provided by gcc. MSVC doesn't define those so 20 // we define them here. 21 // We assume that all windows platform out there are little endian. 22 #if defined(_MSC_VER) && !defined(__clang__) 23 #define __ORDER_LITTLE_ENDIAN__ 0x4d2 24 #define __ORDER_BIG_ENDIAN__ 0x10e1 25 #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__ 26 #endif 27 28 namespace tensorflow { 29 namespace port { 30 31 // TODO(jeff,sanjay): Make portable 32 constexpr bool kLittleEndian = __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__; 33 34 } // namespace port 35 } // namespace tensorflow 36 37 #endif // TENSORFLOW_CORE_PLATFORM_BYTE_ORDER_H_ 38