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Diffstat (limited to 'third_party/highway/hwy/examples/skeleton.h')
| -rw-r--r-- | third_party/highway/hwy/examples/skeleton.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/highway/hwy/examples/skeleton.h b/third_party/highway/hwy/examples/skeleton.h new file mode 100644 index 0000000000..381ac69af6 --- /dev/null +++ b/third_party/highway/hwy/examples/skeleton.h @@ -0,0 +1,36 @@ +// 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_ + +#include <stddef.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, + const size_t count, uint8_t* HWY_RESTRICT out); + +} // namespace skeleton + +#endif // HIGHWAY_HWY_EXAMPLES_SKELETON_H_ |