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- ///////////////////////////////////////////////////////////////////////
- // File: dotproductavx.h
- // Description: Architecture-specific dot-product function.
- // Author: Ray Smith
- // Created: Wed Jul 22 10:51:05 PDT 2015
- //
- // (C) Copyright 2015, Google Inc.
- // 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.
- ///////////////////////////////////////////////////////////////////////
- #ifndef TESSERACT_ARCH_DOTPRODUCTAVX_H_
- #define TESSERACT_ARCH_DOTPRODUCTAVX_H_
- namespace tesseract {
- // Computes and returns the dot product of the n-vectors u and v.
- // Uses Intel AVX intrinsics to access the SIMD instruction set.
- double DotProductAVX(const double* u, const double* v, int n);
- } // namespace tesseract.
- #endif // TESSERACT_ARCH_DOTPRODUCTAVX_H_
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