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31 lines
1.2 KiB
C++
31 lines
1.2 KiB
C++
///////////////////////////////////////////////////////////////////////
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// File: dotproductavx.h
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// Description: Architecture-specific dot-product function.
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// Author: Ray Smith
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// Created: Wed Jul 22 10:51:05 PDT 2015
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//
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// (C) Copyright 2015, Google Inc.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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///////////////////////////////////////////////////////////////////////
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#ifndef TESSERACT_ARCH_DOTPRODUCTAVX_H_
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#define TESSERACT_ARCH_DOTPRODUCTAVX_H_
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namespace tesseract {
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// Computes and returns the dot product of the n-vectors u and v.
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// Uses Intel AVX intrinsics to access the SIMD instruction set.
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double DotProductAVX(const double* u, const double* v, int n);
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} // namespace tesseract.
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#endif // TESSERACT_ARCH_DOTPRODUCTAVX_H_
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