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32
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1 /**
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2 * SPDX-FileCopyrightText: 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
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3 * SPDX-License-Identifier: GPL-3.0-or-later
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4 */
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5
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6 /**
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7 * STL plugin for Orthanc
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8 * Copyright (C) 2023-2024 Sebastien Jodogne, UCLouvain, Belgium
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9 *
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10 * This program is free software: you can redistribute it and/or
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11 * modify it under the terms of the GNU General Public License as
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12 * published by the Free Software Foundation, either version 3 of the
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13 * License, or (at your option) any later version.
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14 *
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15 * This program is distributed in the hope that it will be useful, but
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16 * WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 * General Public License for more details.
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19 *
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20 * You should have received a copy of the GNU General Public License
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21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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22 **/
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23
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24
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25 #include "Toolbox.h"
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26
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27 #include <algorithm>
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28 #include <cmath>
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29
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30
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31 namespace Toolbox
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32 {
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33 bool IsNear(double a,
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34 double b)
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35 {
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36 return std::abs(a - b) < 10.0 * std::numeric_limits<double>::epsilon();
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37 }
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38
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39
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40 bool MyParseDouble(double& value,
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41 const std::string& s)
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42 {
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43 #if 1
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44 char* end = NULL;
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45 value = strtod(s.c_str(), &end);
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46 return (end == s.c_str() + s.size());
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47 #else
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48 return Orthanc::SerializationToolbox::ParseDouble(value, s);
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49 #endif
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50 }
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51
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52
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53 namespace
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54 {
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55 struct IsNearPredicate
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56 {
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57 bool operator() (const double& a,
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58 const double& b)
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59 {
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60 return Toolbox::IsNear(a, b);
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61 }
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62 };
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63 }
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64
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65
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66 void RemoveDuplicateValues(std::vector<double>& v)
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67 {
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68 IsNearPredicate predicate;
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69 std::vector<double>::iterator last = std::unique(v.begin(), v.end(), predicate);
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70 v.erase(last, v.end());
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71 }
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72 }
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