// Copyright 2020 Google LLC // SPDX-License-Identifier: Apache-2.0 // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License.
// Demo interface to target-specific code in skeleton.cc
// Normal header with include guard and namespace. #ifndef HIGHWAY_HWY_EXAMPLES_SKELETON_H_ #define HIGHWAY_HWY_EXAMPLES_SKELETON_H_
// Platform-specific definitions used for declaring an interface, independent of // the SIMD instruction set. #include"hwy/base.h"// HWY_RESTRICT
namespace skeleton {
// Computes base-2 logarithm by converting to float. Supports dynamic dispatch.
HWY_DLLEXPORT void CallFloorLog2(const uint8_t* HWY_RESTRICT in, size_t count,
uint8_t* HWY_RESTRICT out);
// Same, but uses HWY_DYNAMIC_POINTER to save a function pointer and call it.
HWY_DLLEXPORT void SavedCallFloorLog2(const uint8_t* HWY_RESTRICT in,
size_t count, uint8_t* HWY_RESTRICT out);
} // namespace skeleton
#endif// HIGHWAY_HWY_EXAMPLES_SKELETON_H_
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