Mercurial > fife-parpg

annotate engine/core/util/structures/point.h @ 495:ae9f5383f5b1

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Added a new log module called Script. This should be used by the python modules. Did some code cleanup and comment cleanup. Added some more visible log modules to the shooter demo for fun.
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 11 May 2010 21:30:55 +0000
parents 90005975cdbb
children 291ba2946c73
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_VIDEO_POINT_H
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23 #define FIFE_VIDEO_POINT_H
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24
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25 // Standard C++ library includes
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26 #include <iostream>
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27 #include <cassert>
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28
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29 // Platform specific includes
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30
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31 // 3rd party library includes
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32
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33 // FIFE includes
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34 // These includes are split up in two parts, separated by one empty line
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35 // First block: files included from the FIFE root src directory
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36 // Second block: files included from the same folder
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37 #include "util/base/fife_stdint.h"
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38 #include "util/math/fife_math.h"
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39
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40 namespace FIFE {
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41
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42 /** A 2D Point
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43 *
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44 * This is a small helper class to aid in 2d vector arithmetics.
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45 * @see Rect
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46 */
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47 template <typename T> class PointType2D {
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48 public:
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49 union {
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50 T val[2];
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51 struct {
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52 T x,y;
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53 };
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54 };
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55
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56 /** Constructor
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57 *
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58 * Creates a with 0 as default values.
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59 */
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60 explicit PointType2D(T _x = 0, T _y = 0): x(_x), y(_y) {
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61 }
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62
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63 /** Vector addition
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64 */
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65 PointType2D<T> operator+(const PointType2D<T>& p) const {
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66 return PointType2D<T>(x + p.x, y + p.y);
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67 }
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68
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69 /** Vector substraction
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70 */
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71 PointType2D<T> operator-(const PointType2D<T>& p) const {
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72 return PointType2D<T>(x - p.x, y - p.y);
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73 }
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74
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75 /** Vector inplace addition
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76 */
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77 PointType2D<T>& operator+=(const PointType2D<T>& p) {
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78 x += p.x;
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79 y += p.y;
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80 return *this;
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81 }
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82
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83 /** Vector inplace substraction
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84 */
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85 PointType2D<T>& operator-=(const PointType2D<T>& p) {
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86 x -= p.x;
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87 y -= p.y;
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88 return *this;
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89 }
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90
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91 /** Scalar multiplication with an integer value
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92 */
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93 PointType2D<T> operator*(const T& i) const {
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94 return PointType2D<T>(x * i, y * i);
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95 }
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96
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97 /** Scalar division with an integer value
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98 */
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99 PointType2D<T> operator/(const T& i) const {
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100 return PointType2D<T>(x / i, y / i);
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101 }
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102
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103 /** Equality comparision
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104 */
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105 bool operator==(const PointType2D<T>& p) const {
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106 return x == p.x && y == p.y;
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107 }
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108
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109 /** Equality comparision
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110 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
111 bool operator!=(const PointType2D<T>& p) const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
112 return !(x == p.x && y == p.y);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
113 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
114
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
115 /** Return length
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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116 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
117 T length() const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
118 double sq;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
119 sq = x*x + y*y;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
120 return static_cast<T>(sqrt(sq));
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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121 }
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122
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
123 inline T& operator[] (int ind) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
124 assert(ind > -1 && ind < 2);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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125 return val[ind];
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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126 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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127 };
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128
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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129 /** Print coords of the Point to a stream
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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130 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
131 template<typename T>
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
132 std::ostream& operator<<(std::ostream& os, const PointType2D<T>& p) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
133 return os << "(" << p.x << ":" << p.y << ")";
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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134 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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135
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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136 typedef PointType2D<int> Point;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
137 typedef PointType2D<double> DoublePoint;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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138
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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139 /** A 3D Point
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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140 *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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141 * This is a small helper class to aid in 3d vector arithmetics.
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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142 * @see Rect
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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143 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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144 template <typename T> class PointType3D {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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145 public:
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
146 union {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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147 T val[3];
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
148 struct {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
149 T x,y,z;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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150 };
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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151 };
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152
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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153 /** Constructor
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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154 *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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155 * Creates a with 0 as default values.
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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156 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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157 explicit PointType3D(T _x = 0, T _y = 0, T _z = 0): x(_x), y(_y), z(_z) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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158 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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159
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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160 /** Vector addition
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
161 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
162 PointType3D<T> operator+(const PointType3D<T>& p) const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
163 return PointType3D<T>(x + p.x, y + p.y, z + p.z);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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164 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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165
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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166 /** Vector substraction
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
167 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
168 PointType3D<T> operator-(const PointType3D<T>& p) const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
169 return PointType3D<T>(x - p.x, y - p.y, z - p.z);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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170 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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171
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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172 /** Vector inplace addition
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
173 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
174 PointType3D<T>& operator+=(const PointType3D<T>& p) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
175 x += p.x;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
176 y += p.y;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
177 z += p.z;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
178 return *this;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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179 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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180
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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181 /** Vector inplace substraction
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
182 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
183 PointType3D<T>& operator-=(const PointType3D<T>& p) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
184 x -= p.x;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
185 y -= p.y;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
186 z -= p.z;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
187 return *this;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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188 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
189
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
190 /** Scalar multiplication with an integer value
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
191 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
192 PointType3D<T> operator*(const T& i) const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
193 return PointType3D<T>(x * i, y * i, z * i);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
194 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
195
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
196 /** Scalar division with an integer value
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
197 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
198 PointType3D<T> operator/(const T& i) const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
199 return PointType3D<T>(x / i, y / i, z / i);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
200 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
201
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
202 /** Equality comparision
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
203 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
204 bool operator==(const PointType3D<T>& p) const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
205 return x == p.x && y == p.y && z == p.z;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
206 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
207
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
208 /** Equality comparision
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
209 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
210 bool operator!=(const PointType3D<T>& p) const {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
211 return !(x == p.x && y == p.y && z == p.z);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
212 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
213
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
214 /** Return length
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
215 */
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
216 T length() const {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
217 double sq;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
218 sq = x*x + y*y + z*z;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
219 return static_cast<T>(sqrt(sq));
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
220 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
221
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
222 inline T& operator[] (int ind) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
223 assert(ind > -1 && ind < 3);
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224 return val[ind];
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225 }
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226 };
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227
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228 /** Print coords of the Point to a stream
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229 */
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230 template<typename T>
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231 std::ostream& operator<<(std::ostream& os, const PointType3D<T>& p) {
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232 return os << "(" << p.x << ":" << p.y << ":" << p.z << ")";
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233 }
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234
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235 typedef PointType3D<int> Point3D;
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236 typedef PointType3D<double> DoublePoint3D;
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237
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238 /** Convert from 2D double point to 2D int point
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239 */
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240 inline Point doublePt2intPt(DoublePoint pt) {
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241 Point tmp(static_cast<int>(round(pt.x)), static_cast<int>(round(pt.y)));
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242 return tmp;
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243 }
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244
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245 /** Convert from 3D double point to 3D int point
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246 */
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247 inline Point3D doublePt2intPt(DoublePoint3D pt) {
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248 Point3D tmp(static_cast<int>(round(pt.x)), static_cast<int>(round(pt.y)), static_cast<int>(round(pt.z)));
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249 return tmp;
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250 }
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251
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252 /** Convert from 2D int point to 2D double point
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253 */
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254 inline DoublePoint intPt2doublePt(Point pt) {
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255 DoublePoint tmp(static_cast<double>(pt.x), static_cast<double>(pt.y));
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256 return tmp;
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257 }
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258
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259 /** Convert from 3D int point to 3D double point
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260 */
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261 inline DoublePoint3D intPt2doublePt(Point3D pt) {
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262 DoublePoint3D tmp(static_cast<double>(pt.x), static_cast<double>(pt.y), static_cast<double>(pt.z));
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263 return tmp;
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264 }
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265
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266 }
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267
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268 #endif