Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zxing-cpp/core/src/ReedSolomonDecoder.h @ 33:c4daa0c83d64

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author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 21 Sep 2025 17:55:13 +0200
parents b50eed0cc0ef
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1 /*
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2 * Copyright 2016 Nu-book Inc.
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3 * Copyright 2016 ZXing authors
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4 */
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5 // SPDX-License-Identifier: Apache-2.0
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7 #pragma once
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9 #include <vector>
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11 namespace ZXing {
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13 class GenericGF;
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15 /**
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16 * <p>Implements Reed-Solomon decoding, as the name implies.</p>
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17 *
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18 * <p>The algorithm will not be explained here, but the following references were helpful
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19 * in creating this implementation:</p>
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20 *
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21 * <ul>
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22 * <li>Bruce Maggs.
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23 * <a href="http://www.cs.cmu.edu/afs/cs.cmu.edu/project/pscico-guyb/realworld/www/rs_decode.ps">
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24 * "Decoding Reed-Solomon Codes"</a> (see discussion of Forney's Formula)</li>
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25 * <li>J.I. Hall. <a href="www.mth.msu.edu/~jhall/classes/codenotes/GRS.pdf">
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26 * "Chapter 5. Generalized Reed-Solomon Codes"</a>
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27 * (see discussion of Euclidean algorithm)</li>
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28 * </ul>
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29 *
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30 * <p>Much credit is due to William Rucklidge since portions of this code are an indirect
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31 * port of his C++ Reed-Solomon implementation.</p>
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32 *
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33 * @author Sean Owen
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34 * @author William Rucklidge
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35 * @author sanfordsquires
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36 */
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38 /**
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39 * @brief ReedSolomonDecode fixes errors in a message containing both data and parity codewords.
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40 *
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41 * @param message data and error-correction/parity codewords
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42 * @param numECCodeWords number of error-correction code words
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43 * @return true iff message errors could successfully be fixed (or there have not been any)
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44 */
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45 bool ReedSolomonDecode(const GenericGF& field, std::vector<int>& message, int numECCodeWords);
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47 } // ZXing