Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/arch/dotproduct.h @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 ///////////////////////////////////////////////////////////////////////
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2 // File: dotproduct.h
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3 // Description: Native dot product function.
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4 //
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5 // (C) Copyright 2018, Google Inc.
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6 // Licensed under the Apache License, Version 2.0 (the "License");
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7 // you may not use this file except in compliance with the License.
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8 // You may obtain a copy of the License at
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9 // http://www.apache.org/licenses/LICENSE-2.0
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10 // Unless required by applicable law or agreed to in writing, software
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11 // distributed under the License is distributed on an "AS IS" BASIS,
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12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 // See the License for the specific language governing permissions and
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14 // limitations under the License.
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15 ///////////////////////////////////////////////////////////////////////
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17 #ifndef TESSERACT_ARCH_DOTPRODUCT_H_
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18 #define TESSERACT_ARCH_DOTPRODUCT_H_
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20 #include "tesstypes.h"
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22 namespace tesseract {
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24 // Computes and returns the dot product of the n-vectors u and v.
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25 TFloat DotProductNative(const TFloat *u, const TFloat *v, int n);
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27 // Uses Intel AVX intrinsics to access the SIMD instruction set.
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28 TFloat DotProductAVX(const TFloat *u, const TFloat *v, int n);
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30 // Uses Intel AVX512F intrinsics to access the SIMD instruction set.
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31 TFloat DotProductAVX512F(const TFloat *u, const TFloat *v, int n);
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33 // Use Intel FMA.
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34 TFloat DotProductFMA(const TFloat *u, const TFloat *v, int n);
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36 // Uses Intel SSE intrinsics to access the SIMD instruction set.
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37 TFloat DotProductSSE(const TFloat *u, const TFloat *v, int n);
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39 // Use NEON intrinsics.
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40 TFloat DotProductNEON(const TFloat *u, const TFloat *v, int n);
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42 } // namespace tesseract.
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44 #endif // TESSERACT_ARCH_DOTPRODUCT_H_