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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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