1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.createDistance = void 0;
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7 |
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8 | var _is = require("../../utils/is");
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9 |
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10 | var _factory = require("../../utils/factory");
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11 |
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12 | var name = 'distance';
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13 | var dependencies = ['typed', 'addScalar', 'subtract', 'divideScalar', 'multiplyScalar', 'unaryMinus', 'sqrt', 'abs'];
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14 | var createDistance = (0, _factory.factory)(name, dependencies, function (_ref) {
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15 | var typed = _ref.typed,
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16 | addScalar = _ref.addScalar,
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17 | subtract = _ref.subtract,
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18 | multiplyScalar = _ref.multiplyScalar,
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19 | divideScalar = _ref.divideScalar,
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20 | unaryMinus = _ref.unaryMinus,
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21 | sqrt = _ref.sqrt,
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22 | abs = _ref.abs;
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23 |
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76 |
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77 | return typed(name, {
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78 | 'Array, Array, Array': function ArrayArrayArray(x, y, z) {
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79 |
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80 | if (x.length === 2 && y.length === 2 && z.length === 2) {
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81 | if (!_2d(x)) {
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82 | throw new TypeError('Array with 2 numbers or BigNumbers expected for first argument');
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83 | }
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84 |
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85 | if (!_2d(y)) {
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86 | throw new TypeError('Array with 2 numbers or BigNumbers expected for second argument');
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87 | }
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88 |
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89 | if (!_2d(z)) {
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90 | throw new TypeError('Array with 2 numbers or BigNumbers expected for third argument');
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91 | }
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92 |
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93 | var m = divideScalar(subtract(z[1], z[0]), subtract(y[1], y[0]));
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94 | var xCoeff = multiplyScalar(multiplyScalar(m, m), y[0]);
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95 | var yCoeff = unaryMinus(multiplyScalar(m, y[0]));
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96 | var constant = x[1];
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97 | return _distancePointLine2D(x[0], x[1], xCoeff, yCoeff, constant);
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98 | } else {
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99 | throw new TypeError('Invalid Arguments: Try again');
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100 | }
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101 | },
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102 | 'Object, Object, Object': function ObjectObjectObject(x, y, z) {
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103 | if (Object.keys(x).length === 2 && Object.keys(y).length === 2 && Object.keys(z).length === 2) {
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104 | if (!_2d(x)) {
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105 | throw new TypeError('Values of pointX and pointY should be numbers or BigNumbers');
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106 | }
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107 |
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108 | if (!_2d(y)) {
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109 | throw new TypeError('Values of lineOnePtX and lineOnePtY should be numbers or BigNumbers');
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110 | }
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111 |
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112 | if (!_2d(z)) {
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113 | throw new TypeError('Values of lineTwoPtX and lineTwoPtY should be numbers or BigNumbers');
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114 | }
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115 |
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116 | if ('pointX' in x && 'pointY' in x && 'lineOnePtX' in y && 'lineOnePtY' in y && 'lineTwoPtX' in z && 'lineTwoPtY' in z) {
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117 | var m = divideScalar(subtract(z.lineTwoPtY, z.lineTwoPtX), subtract(y.lineOnePtY, y.lineOnePtX));
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118 | var xCoeff = multiplyScalar(multiplyScalar(m, m), y.lineOnePtX);
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119 | var yCoeff = unaryMinus(multiplyScalar(m, y.lineOnePtX));
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120 | var constant = x.pointX;
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121 | return _distancePointLine2D(x.pointX, x.pointY, xCoeff, yCoeff, constant);
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122 | } else {
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123 | throw new TypeError('Key names do not match');
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124 | }
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125 | } else {
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126 | throw new TypeError('Invalid Arguments: Try again');
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127 | }
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128 | },
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129 | 'Array, Array': function ArrayArray(x, y) {
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130 |
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131 | if (x.length === 2 && y.length === 3) {
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132 | if (!_2d(x)) {
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133 | throw new TypeError('Array with 2 numbers or BigNumbers expected for first argument');
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134 | }
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135 |
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136 | if (!_3d(y)) {
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137 | throw new TypeError('Array with 3 numbers or BigNumbers expected for second argument');
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138 | }
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139 |
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140 | return _distancePointLine2D(x[0], x[1], y[0], y[1], y[2]);
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141 | } else if (x.length === 3 && y.length === 6) {
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142 |
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143 | if (!_3d(x)) {
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144 | throw new TypeError('Array with 3 numbers or BigNumbers expected for first argument');
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145 | }
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146 |
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147 | if (!_parametricLine(y)) {
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148 | throw new TypeError('Array with 6 numbers or BigNumbers expected for second argument');
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149 | }
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150 |
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151 | return _distancePointLine3D(x[0], x[1], x[2], y[0], y[1], y[2], y[3], y[4], y[5]);
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152 | } else if (x.length === y.length && x.length > 0) {
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153 |
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154 | if (!_containsOnlyNumbers(x)) {
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155 | throw new TypeError('All values of an array should be numbers or BigNumbers');
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156 | }
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157 |
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158 | if (!_containsOnlyNumbers(y)) {
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159 | throw new TypeError('All values of an array should be numbers or BigNumbers');
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160 | }
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161 |
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162 | return _euclideanDistance(x, y);
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163 | } else {
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164 | throw new TypeError('Invalid Arguments: Try again');
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165 | }
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166 | },
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167 | 'Object, Object': function ObjectObject(x, y) {
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168 | if (Object.keys(x).length === 2 && Object.keys(y).length === 3) {
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169 | if (!_2d(x)) {
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170 | throw new TypeError('Values of pointX and pointY should be numbers or BigNumbers');
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171 | }
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172 |
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173 | if (!_3d(y)) {
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174 | throw new TypeError('Values of xCoeffLine, yCoeffLine and constant should be numbers or BigNumbers');
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175 | }
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176 |
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177 | if ('pointX' in x && 'pointY' in x && 'xCoeffLine' in y && 'yCoeffLine' in y && 'constant' in y) {
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178 | return _distancePointLine2D(x.pointX, x.pointY, y.xCoeffLine, y.yCoeffLine, y.constant);
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179 | } else {
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180 | throw new TypeError('Key names do not match');
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181 | }
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182 | } else if (Object.keys(x).length === 3 && Object.keys(y).length === 6) {
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183 |
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184 | if (!_3d(x)) {
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185 | throw new TypeError('Values of pointX, pointY and pointZ should be numbers or BigNumbers');
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186 | }
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187 |
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188 | if (!_parametricLine(y)) {
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189 | throw new TypeError('Values of x0, y0, z0, a, b and c should be numbers or BigNumbers');
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190 | }
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191 |
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192 | if ('pointX' in x && 'pointY' in x && 'x0' in y && 'y0' in y && 'z0' in y && 'a' in y && 'b' in y && 'c' in y) {
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193 | return _distancePointLine3D(x.pointX, x.pointY, x.pointZ, y.x0, y.y0, y.z0, y.a, y.b, y.c);
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194 | } else {
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195 | throw new TypeError('Key names do not match');
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196 | }
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197 | } else if (Object.keys(x).length === 2 && Object.keys(y).length === 2) {
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198 |
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199 | if (!_2d(x)) {
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200 | throw new TypeError('Values of pointOneX and pointOneY should be numbers or BigNumbers');
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201 | }
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202 |
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203 | if (!_2d(y)) {
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204 | throw new TypeError('Values of pointTwoX and pointTwoY should be numbers or BigNumbers');
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205 | }
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206 |
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207 | if ('pointOneX' in x && 'pointOneY' in x && 'pointTwoX' in y && 'pointTwoY' in y) {
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208 | return _euclideanDistance([x.pointOneX, x.pointOneY], [y.pointTwoX, y.pointTwoY]);
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209 | } else {
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210 | throw new TypeError('Key names do not match');
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211 | }
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212 | } else if (Object.keys(x).length === 3 && Object.keys(y).length === 3) {
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213 |
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214 | if (!_3d(x)) {
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215 | throw new TypeError('Values of pointOneX, pointOneY and pointOneZ should be numbers or BigNumbers');
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216 | }
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217 |
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218 | if (!_3d(y)) {
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219 | throw new TypeError('Values of pointTwoX, pointTwoY and pointTwoZ should be numbers or BigNumbers');
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220 | }
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221 |
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222 | if ('pointOneX' in x && 'pointOneY' in x && 'pointOneZ' in x && 'pointTwoX' in y && 'pointTwoY' in y && 'pointTwoZ' in y) {
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223 | return _euclideanDistance([x.pointOneX, x.pointOneY, x.pointOneZ], [y.pointTwoX, y.pointTwoY, y.pointTwoZ]);
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224 | } else {
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225 | throw new TypeError('Key names do not match');
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226 | }
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227 | } else {
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228 | throw new TypeError('Invalid Arguments: Try again');
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229 | }
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230 | },
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231 | Array: function Array(arr) {
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232 | if (!_pairwise(arr)) {
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233 | throw new TypeError('Incorrect array format entered for pairwise distance calculation');
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234 | }
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235 |
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236 | return _distancePairwise(arr);
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237 | }
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238 | });
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239 |
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240 | function _isNumber(a) {
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241 |
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242 | return typeof a === 'number' || (0, _is.isBigNumber)(a);
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243 | }
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244 |
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245 | function _2d(a) {
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246 |
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247 | if (a.constructor !== Array) {
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248 | a = _objectToArray(a);
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249 | }
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250 |
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251 | return _isNumber(a[0]) && _isNumber(a[1]);
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252 | }
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253 |
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254 | function _3d(a) {
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255 |
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256 | if (a.constructor !== Array) {
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257 | a = _objectToArray(a);
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258 | }
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259 |
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260 | return _isNumber(a[0]) && _isNumber(a[1]) && _isNumber(a[2]);
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261 | }
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262 |
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263 | function _containsOnlyNumbers(a) {
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264 |
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265 | if (!Array.isArray(a)) {
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266 | a = _objectToArray(a);
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267 | }
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268 |
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269 | return a.every(_isNumber);
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270 | }
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271 |
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272 | function _parametricLine(a) {
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273 | if (a.constructor !== Array) {
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274 | a = _objectToArray(a);
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275 | }
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276 |
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277 | return _isNumber(a[0]) && _isNumber(a[1]) && _isNumber(a[2]) && _isNumber(a[3]) && _isNumber(a[4]) && _isNumber(a[5]);
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278 | }
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279 |
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280 | function _objectToArray(o) {
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281 | var keys = Object.keys(o);
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282 | var a = [];
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283 |
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284 | for (var i = 0; i < keys.length; i++) {
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285 | a.push(o[keys[i]]);
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286 | }
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287 |
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288 | return a;
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289 | }
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290 |
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291 | function _pairwise(a) {
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292 |
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293 | if (a[0].length === 2 && _isNumber(a[0][0]) && _isNumber(a[0][1])) {
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294 | if (a.some(function (aI) {
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295 | return aI.length !== 2 || !_isNumber(aI[0]) || !_isNumber(aI[1]);
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296 | })) {
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297 | return false;
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298 | }
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299 | } else if (a[0].length === 3 && _isNumber(a[0][0]) && _isNumber(a[0][1]) && _isNumber(a[0][2])) {
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300 | if (a.some(function (aI) {
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301 | return aI.length !== 3 || !_isNumber(aI[0]) || !_isNumber(aI[1]) || !_isNumber(aI[2]);
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302 | })) {
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303 | return false;
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304 | }
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305 | } else {
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306 | return false;
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307 | }
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308 |
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309 | return true;
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310 | }
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311 |
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312 | function _distancePointLine2D(x, y, a, b, c) {
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313 | var num = abs(addScalar(addScalar(multiplyScalar(a, x), multiplyScalar(b, y)), c));
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314 | var den = sqrt(addScalar(multiplyScalar(a, a), multiplyScalar(b, b)));
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315 | return divideScalar(num, den);
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316 | }
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317 |
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318 | function _distancePointLine3D(x, y, z, x0, y0, z0, a, b, c) {
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319 | var num = [subtract(multiplyScalar(subtract(y0, y), c), multiplyScalar(subtract(z0, z), b)), subtract(multiplyScalar(subtract(z0, z), a), multiplyScalar(subtract(x0, x), c)), subtract(multiplyScalar(subtract(x0, x), b), multiplyScalar(subtract(y0, y), a))];
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320 | num = sqrt(addScalar(addScalar(multiplyScalar(num[0], num[0]), multiplyScalar(num[1], num[1])), multiplyScalar(num[2], num[2])));
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321 | var den = sqrt(addScalar(addScalar(multiplyScalar(a, a), multiplyScalar(b, b)), multiplyScalar(c, c)));
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322 | return divideScalar(num, den);
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323 | }
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324 |
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325 | function _euclideanDistance(x, y) {
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326 | var vectorSize = x.length;
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327 | var result = 0;
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328 | var diff = 0;
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329 |
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330 | for (var i = 0; i < vectorSize; i++) {
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331 | diff = subtract(x[i], y[i]);
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332 | result = addScalar(multiplyScalar(diff, diff), result);
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333 | }
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334 |
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335 | return sqrt(result);
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336 | }
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337 |
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338 | function _distancePairwise(a) {
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339 | var result = [];
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340 | var pointA = [];
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341 | var pointB = [];
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342 |
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343 | for (var i = 0; i < a.length - 1; i++) {
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344 | for (var j = i + 1; j < a.length; j++) {
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345 | if (a[0].length === 2) {
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346 | pointA = [a[i][0], a[i][1]];
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347 | pointB = [a[j][0], a[j][1]];
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348 | } else if (a[0].length === 3) {
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349 | pointA = [a[i][0], a[i][1], a[i][2]];
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350 | pointB = [a[j][0], a[j][1], a[j][2]];
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351 | }
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352 |
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353 | result.push(_euclideanDistance(pointA, pointB));
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354 | }
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355 | }
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356 |
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357 | return result;
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358 | }
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359 | });
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360 | exports.createDistance = createDistance; |
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