1 | 'use strict'
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2 |
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3 | const endsWith = require('../../utils/string').endsWith
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4 | const clone = require('../../utils/object').clone
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5 | const constants = require('../../utils/bignumber/constants')
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6 |
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7 | function factory (type, config, load, typed, math) {
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8 | const add = load(require('../../function/arithmetic/addScalar'))
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9 | const subtract = load(require('../../function/arithmetic/subtract'))
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10 | const multiply = load(require('../../function/arithmetic/multiplyScalar'))
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11 | const divide = load(require('../../function/arithmetic/divideScalar'))
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12 | const pow = load(require('../../function/arithmetic/pow'))
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13 | const abs = load(require('../../function/arithmetic/abs'))
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14 | const fix = load(require('../../function/arithmetic/fix'))
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15 | const round = load(require('../../function/arithmetic/round'))
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16 | const equal = load(require('../../function/relational/equal'))
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17 | const isNumeric = load(require('../../function/utils/isNumeric'))
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18 | const format = load(require('../../function/string/format'))
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19 | const getTypeOf = load(require('../../function/utils/typeof'))
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20 | const toNumber = load(require('../../type/number'))
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21 | const Complex = load(require('../../type/complex/Complex'))
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22 |
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23 | |
24 |
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25 |
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26 |
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27 |
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28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 |
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36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 | function Unit (value, name) {
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43 | if (!(this instanceof Unit)) {
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44 | throw new Error('Constructor must be called with the new operator')
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45 | }
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46 |
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47 | if (!(value === null || value === undefined || isNumeric(value) || type.isComplex(value))) {
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48 | throw new TypeError('First parameter in Unit constructor must be number, BigNumber, Fraction, Complex, or undefined')
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49 | }
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50 | if (name !== undefined && (typeof name !== 'string' || name === '')) {
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51 | throw new TypeError('Second parameter in Unit constructor must be a string')
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52 | }
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53 |
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54 | if (name !== undefined) {
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55 | const u = Unit.parse(name)
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56 | this.units = u.units
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57 | this.dimensions = u.dimensions
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58 | } else {
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59 | this.units = [
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60 | {
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61 | unit: UNIT_NONE,
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62 | prefix: PREFIXES.NONE,
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63 | power: 0
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64 | }
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65 | ]
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66 | this.dimensions = []
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67 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
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68 | this.dimensions[i] = 0
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69 | }
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70 | }
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71 |
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72 | this.value = (value !== undefined && value !== null) ? this._normalize(value) : null
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73 |
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74 | this.fixPrefix = false
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75 |
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76 |
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77 |
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78 |
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79 |
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80 | this.isUnitListSimplified = true
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81 | }
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82 |
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83 | |
84 |
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85 |
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86 | Unit.prototype.type = 'Unit'
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87 | Unit.prototype.isUnit = true
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88 |
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89 |
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90 | let text, index, c
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91 |
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92 | function skipWhitespace () {
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93 | while (c === ' ' || c === '\t') {
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94 | next()
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95 | }
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96 | }
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97 |
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98 | function isDigitDot (c) {
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99 | return ((c >= '0' && c <= '9') || c === '.')
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100 | }
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101 |
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102 | function isDigit (c) {
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103 | return ((c >= '0' && c <= '9'))
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104 | }
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105 |
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106 | function next () {
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107 | index++
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108 | c = text.charAt(index)
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109 | }
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110 |
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111 | function revert (oldIndex) {
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112 | index = oldIndex
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113 | c = text.charAt(index)
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114 | }
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115 |
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116 | function parseNumber () {
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117 | let number = ''
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118 | let oldIndex
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119 | oldIndex = index
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120 |
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121 | if (c === '+') {
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122 | next()
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123 | } else if (c === '-') {
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124 | number += c
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125 | next()
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126 | }
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127 |
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128 | if (!isDigitDot(c)) {
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129 |
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130 | revert(oldIndex)
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131 | return null
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132 | }
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133 |
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134 |
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135 | if (c === '.') {
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136 | number += c
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137 | next()
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138 | if (!isDigit(c)) {
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139 |
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140 | revert(oldIndex)
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141 | return null
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142 | }
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143 | } else {
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144 | while (isDigit(c)) {
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145 | number += c
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146 | next()
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147 | }
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148 | if (c === '.') {
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149 | number += c
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150 | next()
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151 | }
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152 | }
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153 | while (isDigit(c)) {
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154 | number += c
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155 | next()
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156 | }
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157 |
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158 |
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159 | if (c === 'E' || c === 'e') {
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160 |
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161 |
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162 | let tentativeNumber = ''
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163 | const tentativeIndex = index
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164 |
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165 | tentativeNumber += c
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166 | next()
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167 |
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168 | if (c === '+' || c === '-') {
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169 | tentativeNumber += c
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170 | next()
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171 | }
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172 |
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173 |
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174 | if (!isDigit(c)) {
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175 |
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176 | revert(tentativeIndex)
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177 | return number
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178 | }
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179 |
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180 |
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181 | number = number + tentativeNumber
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182 | while (isDigit(c)) {
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183 | number += c
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184 | next()
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185 | }
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186 | }
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187 |
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188 | return number
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189 | }
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190 |
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191 | function parseUnit () {
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192 | let unitName = ''
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193 |
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194 |
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195 | let code = text.charCodeAt(index)
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196 | while ((code >= 48 && code <= 57) ||
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197 | (code >= 65 && code <= 90) ||
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198 | (code >= 97 && code <= 122)) {
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199 | unitName += c
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200 | next()
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201 | code = text.charCodeAt(index)
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202 | }
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203 |
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204 |
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205 | code = unitName.charCodeAt(0)
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206 | if ((code >= 65 && code <= 90) ||
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207 | (code >= 97 && code <= 122)) {
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208 | return unitName || null
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209 | } else {
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210 | return null
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211 | }
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212 | }
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213 |
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214 | function parseCharacter (toFind) {
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215 | if (c === toFind) {
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216 | next()
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217 | return toFind
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218 | } else {
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219 | return null
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220 | }
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221 | }
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222 |
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223 | |
224 |
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225 |
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226 |
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227 |
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228 |
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229 |
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230 |
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231 |
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232 |
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233 | Unit.parse = function (str, options) {
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234 | options = options || {}
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235 | text = str
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236 | index = -1
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237 | c = ''
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238 |
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239 | if (typeof text !== 'string') {
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240 | throw new TypeError('Invalid argument in Unit.parse, string expected')
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241 | }
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242 |
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243 | const unit = new Unit()
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244 | unit.units = []
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245 |
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246 | let powerMultiplierCurrent = 1
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247 | let expectingUnit = false
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248 |
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249 |
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250 |
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251 |
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252 |
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253 |
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254 |
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255 |
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256 |
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257 |
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258 |
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259 |
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260 |
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261 |
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262 |
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263 | next()
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264 | skipWhitespace()
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265 |
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266 |
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267 | const valueStr = parseNumber()
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268 | let value = null
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269 | if (valueStr) {
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270 | if (config.number === 'BigNumber') {
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271 | value = new type.BigNumber(valueStr)
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272 | } else if (config.number === 'Fraction') {
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273 | value = new type.Fraction(valueStr)
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274 | } else {
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275 | value = parseFloat(valueStr)
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276 | }
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277 |
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278 | skipWhitespace()
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279 |
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280 |
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281 | if (parseCharacter('*')) {
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282 | powerMultiplierCurrent = 1
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283 | expectingUnit = true
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284 | } else if (parseCharacter('/')) {
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285 | powerMultiplierCurrent = -1
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286 | expectingUnit = true
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287 | }
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288 | }
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289 |
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290 |
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291 | const powerMultiplierStack = []
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292 |
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293 |
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294 | let powerMultiplierStackProduct = 1
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295 |
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296 | while (true) {
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297 | skipWhitespace()
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298 |
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299 |
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300 |
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301 | while (c === '(') {
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302 | powerMultiplierStack.push(powerMultiplierCurrent)
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303 | powerMultiplierStackProduct *= powerMultiplierCurrent
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304 | powerMultiplierCurrent = 1
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305 | next()
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306 | skipWhitespace()
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307 | }
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308 |
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309 |
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310 | let uStr
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311 | if (c) {
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312 | const oldC = c
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313 | uStr = parseUnit()
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314 | if (uStr === null) {
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315 | throw new SyntaxError('Unexpected "' + oldC + '" in "' + text + '" at index ' + index.toString())
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316 | }
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317 | } else {
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318 |
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319 | break
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320 | }
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321 |
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322 |
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323 | const res = _findUnit(uStr)
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324 | if (res === null) {
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325 |
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326 | throw new SyntaxError('Unit "' + uStr + '" not found.')
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327 | }
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328 |
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329 | let power = powerMultiplierCurrent * powerMultiplierStackProduct
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330 |
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331 | skipWhitespace()
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332 | if (parseCharacter('^')) {
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333 | skipWhitespace()
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334 | const p = parseNumber()
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335 | if (p === null) {
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336 |
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337 | throw new SyntaxError('In "' + str + '", "^" must be followed by a floating-point number')
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338 | }
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339 | power *= p
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340 | }
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341 |
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342 |
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343 | unit.units.push({
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344 | unit: res.unit,
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345 | prefix: res.prefix,
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346 | power: power
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347 | })
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348 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
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349 | unit.dimensions[i] += (res.unit.dimensions[i] || 0) * power
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350 | }
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351 |
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352 |
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353 |
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354 | skipWhitespace()
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355 | while (c === ')') {
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356 | if (powerMultiplierStack.length === 0) {
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357 | throw new SyntaxError('Unmatched ")" in "' + text + '" at index ' + index.toString())
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358 | }
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359 | powerMultiplierStackProduct /= powerMultiplierStack.pop()
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360 | next()
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361 | skipWhitespace()
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362 | }
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363 |
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364 |
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365 |
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366 | expectingUnit = false
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367 |
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368 | if (parseCharacter('*')) {
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369 |
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370 | powerMultiplierCurrent = 1
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371 | expectingUnit = true
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372 | } else if (parseCharacter('/')) {
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373 |
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374 | powerMultiplierCurrent = -1
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375 | expectingUnit = true
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376 | } else {
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377 |
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378 | powerMultiplierCurrent = 1
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379 | }
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380 |
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381 |
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382 | if (res.unit.base) {
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383 | const baseDim = res.unit.base.key
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384 | UNIT_SYSTEMS.auto[baseDim] = {
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385 | unit: res.unit,
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386 | prefix: res.prefix
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387 | }
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388 | }
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389 | }
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390 |
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391 |
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392 | skipWhitespace()
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393 | if (c) {
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394 | throw new SyntaxError('Could not parse: "' + str + '"')
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395 | }
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396 |
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397 |
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398 | if (expectingUnit) {
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399 | throw new SyntaxError('Trailing characters: "' + str + '"')
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400 | }
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401 |
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402 |
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403 | if (powerMultiplierStack.length !== 0) {
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404 | throw new SyntaxError('Unmatched "(" in "' + text + '"')
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405 | }
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406 |
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407 |
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408 | if (unit.units.length === 0 && !options.allowNoUnits) {
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409 | throw new SyntaxError('"' + str + '" contains no units')
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410 | }
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411 |
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412 | unit.value = (value !== undefined) ? unit._normalize(value) : null
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413 | return unit
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414 | }
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415 |
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416 | |
417 |
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418 |
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419 |
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420 |
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421 | Unit.prototype.clone = function () {
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422 | const unit = new Unit()
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423 |
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424 | unit.fixPrefix = this.fixPrefix
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425 | unit.isUnitListSimplified = this.isUnitListSimplified
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426 |
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427 | unit.value = clone(this.value)
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428 | unit.dimensions = this.dimensions.slice(0)
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429 | unit.units = []
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430 | for (let i = 0; i < this.units.length; i++) {
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431 | unit.units[i] = { }
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432 | for (const p in this.units[i]) {
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433 | if (this.units[i].hasOwnProperty(p)) {
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434 | unit.units[i][p] = this.units[i][p]
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435 | }
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436 | }
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437 | }
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438 |
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439 | return unit
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440 | }
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441 |
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442 | |
443 |
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444 |
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445 |
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446 |
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447 | Unit.prototype._isDerived = function () {
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448 | if (this.units.length === 0) {
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449 | return false
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450 | }
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451 | return this.units.length > 1 || Math.abs(this.units[0].power - 1.0) > 1e-15
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452 | }
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453 |
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454 | |
455 |
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456 |
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457 |
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458 |
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459 |
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460 |
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461 | Unit.prototype._normalize = function (value) {
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462 | let unitValue, unitOffset, unitPower, unitPrefixValue
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463 | let convert
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464 |
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465 | if (value === null || value === undefined || this.units.length === 0) {
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466 | return value
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467 | } else if (this._isDerived()) {
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468 |
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469 |
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470 | let res = value
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471 | convert = Unit._getNumberConverter(getTypeOf(value))
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472 |
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473 | for (let i = 0; i < this.units.length; i++) {
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474 | unitValue = convert(this.units[i].unit.value)
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475 | unitPrefixValue = convert(this.units[i].prefix.value)
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476 | unitPower = convert(this.units[i].power)
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477 | res = multiply(res, pow(multiply(unitValue, unitPrefixValue), unitPower))
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478 | }
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479 |
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480 | return res
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481 | } else {
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482 |
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483 | convert = Unit._getNumberConverter(getTypeOf(value))
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484 |
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485 | unitValue = convert(this.units[0].unit.value)
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486 | unitOffset = convert(this.units[0].unit.offset)
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487 | unitPrefixValue = convert(this.units[0].prefix.value)
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488 |
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489 | return multiply(add(value, unitOffset), multiply(unitValue, unitPrefixValue))
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490 | }
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491 | }
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492 |
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493 | |
494 |
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495 |
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496 |
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497 |
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498 |
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499 |
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500 |
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501 | Unit.prototype._denormalize = function (value, prefixValue) {
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502 | let unitValue, unitOffset, unitPower, unitPrefixValue
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503 | let convert
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504 |
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505 | if (value === null || value === undefined || this.units.length === 0) {
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506 | return value
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507 | } else if (this._isDerived()) {
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508 |
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509 |
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510 |
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511 | let res = value
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512 | convert = Unit._getNumberConverter(getTypeOf(value))
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513 |
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514 | for (let i = 0; i < this.units.length; i++) {
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515 | unitValue = convert(this.units[i].unit.value)
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516 | unitPrefixValue = convert(this.units[i].prefix.value)
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517 | unitPower = convert(this.units[i].power)
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518 | res = divide(res, pow(multiply(unitValue, unitPrefixValue), unitPower))
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519 | }
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520 |
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521 | return res
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522 | } else {
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523 |
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524 | convert = Unit._getNumberConverter(getTypeOf(value))
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525 |
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526 | unitValue = convert(this.units[0].unit.value)
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527 | unitPrefixValue = convert(this.units[0].prefix.value)
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528 | unitOffset = convert(this.units[0].unit.offset)
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529 |
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530 | if (prefixValue === undefined || prefixValue === null) {
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531 | return subtract(divide(divide(value, unitValue), unitPrefixValue), unitOffset)
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532 | } else {
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533 | return subtract(divide(divide(value, unitValue), prefixValue), unitOffset)
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534 | }
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535 | }
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536 | }
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537 |
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538 | |
539 |
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540 |
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541 |
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542 |
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543 |
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544 |
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545 |
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546 | function _findUnit (str) {
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547 |
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548 | if (UNITS.hasOwnProperty(str)) {
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549 | const unit = UNITS[str]
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550 | const prefix = unit.prefixes['']
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551 | return {
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552 | unit,
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553 | prefix
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554 | }
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555 | }
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556 |
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557 | for (const name in UNITS) {
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558 | if (UNITS.hasOwnProperty(name)) {
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559 | if (endsWith(str, name)) {
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560 | const unit = UNITS[name]
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561 | const prefixLen = (str.length - name.length)
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562 | const prefixName = str.substring(0, prefixLen)
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563 | const prefix = unit.prefixes.hasOwnProperty(prefixName)
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564 | ? unit.prefixes[prefixName]
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565 | : undefined
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566 | if (prefix !== undefined) {
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567 |
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568 | return {
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569 | unit,
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570 | prefix
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571 | }
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572 | }
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573 | }
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574 | }
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575 | }
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576 |
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577 | return null
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578 | }
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579 |
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580 | |
581 |
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582 |
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583 |
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584 |
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585 |
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586 |
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587 |
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588 | Unit.isValuelessUnit = function (name) {
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589 | return (_findUnit(name) !== null)
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590 | }
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591 |
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592 | |
593 |
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594 |
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595 |
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596 |
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597 |
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598 | Unit.prototype.hasBase = function (base) {
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599 | if (typeof (base) === 'string') {
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600 | base = BASE_UNITS[base]
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601 | }
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602 |
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603 | if (!base) { return false }
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604 |
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605 |
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606 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
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607 | if (Math.abs((this.dimensions[i] || 0) - (base.dimensions[i] || 0)) > 1e-12) {
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608 | return false
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609 | }
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610 | }
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611 | return true
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612 | }
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613 |
|
614 | |
615 |
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616 |
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617 |
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618 |
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619 |
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620 |
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621 | Unit.prototype.equalBase = function (other) {
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622 |
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623 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
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624 | if (Math.abs((this.dimensions[i] || 0) - (other.dimensions[i] || 0)) > 1e-12) {
|
625 | return false
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626 | }
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627 | }
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628 | return true
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629 | }
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630 |
|
631 | |
632 |
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633 |
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634 |
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635 |
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636 |
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637 | Unit.prototype.equals = function (other) {
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638 | return (this.equalBase(other) && equal(this.value, other.value))
|
639 | }
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640 |
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641 | |
642 |
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643 |
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644 |
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645 |
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646 |
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647 | Unit.prototype.multiply = function (other) {
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648 | const res = this.clone()
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649 |
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650 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
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651 |
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652 | res.dimensions[i] = (this.dimensions[i] || 0) + (other.dimensions[i] || 0)
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653 | }
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654 |
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655 |
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656 | for (let i = 0; i < other.units.length; i++) {
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657 |
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658 | const inverted = {}
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659 | for (const key in other.units[i]) {
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660 | inverted[key] = other.units[i][key]
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661 | }
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662 | res.units.push(inverted)
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663 | }
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664 |
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665 |
|
666 | if (this.value !== null || other.value !== null) {
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667 | const valThis = this.value === null ? this._normalize(1) : this.value
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668 | const valOther = other.value === null ? other._normalize(1) : other.value
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669 | res.value = multiply(valThis, valOther)
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670 | } else {
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671 | res.value = null
|
672 | }
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673 |
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674 |
|
675 | res.isUnitListSimplified = false
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676 |
|
677 | return getNumericIfUnitless(res)
|
678 | }
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679 |
|
680 | |
681 |
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682 |
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683 |
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684 |
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685 |
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686 | Unit.prototype.divide = function (other) {
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687 | const res = this.clone()
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688 |
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689 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
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690 |
|
691 | res.dimensions[i] = (this.dimensions[i] || 0) - (other.dimensions[i] || 0)
|
692 | }
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693 |
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694 |
|
695 | for (let i = 0; i < other.units.length; i++) {
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696 |
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697 | const inverted = {}
|
698 | for (const key in other.units[i]) {
|
699 | inverted[key] = other.units[i][key]
|
700 | }
|
701 | inverted.power = -inverted.power
|
702 | res.units.push(inverted)
|
703 | }
|
704 |
|
705 |
|
706 | if (this.value !== null || other.value !== null) {
|
707 | const valThis = this.value === null ? this._normalize(1) : this.value
|
708 | const valOther = other.value === null ? other._normalize(1) : other.value
|
709 | res.value = divide(valThis, valOther)
|
710 | } else {
|
711 | res.value = null
|
712 | }
|
713 |
|
714 |
|
715 | res.isUnitListSimplified = false
|
716 |
|
717 | return getNumericIfUnitless(res)
|
718 | }
|
719 |
|
720 | |
721 |
|
722 |
|
723 |
|
724 |
|
725 |
|
726 | Unit.prototype.pow = function (p) {
|
727 | const res = this.clone()
|
728 |
|
729 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
|
730 |
|
731 | res.dimensions[i] = (this.dimensions[i] || 0) * p
|
732 | }
|
733 |
|
734 |
|
735 | for (let i = 0; i < res.units.length; i++) {
|
736 | res.units[i].power *= p
|
737 | }
|
738 |
|
739 | if (res.value !== null) {
|
740 | res.value = pow(res.value, p)
|
741 |
|
742 |
|
743 |
|
744 |
|
745 |
|
746 |
|
747 | } else {
|
748 | res.value = null
|
749 | }
|
750 |
|
751 |
|
752 | res.isUnitListSimplified = false
|
753 |
|
754 | return getNumericIfUnitless(res)
|
755 | }
|
756 |
|
757 | |
758 |
|
759 |
|
760 |
|
761 |
|
762 | function getNumericIfUnitless (unit) {
|
763 | if (unit.equalBase(BASE_UNITS.NONE) && unit.value !== null && !config.predictable) {
|
764 | return unit.value
|
765 | } else {
|
766 | return unit
|
767 | }
|
768 | }
|
769 |
|
770 | |
771 |
|
772 |
|
773 |
|
774 |
|
775 |
|
776 | Unit.prototype.abs = function () {
|
777 |
|
778 |
|
779 | const ret = this.clone()
|
780 | ret.value = ret.value !== null ? abs(ret.value) : null
|
781 |
|
782 | for (const i in ret.units) {
|
783 | if (ret.units[i].unit.name === 'VA' || ret.units[i].unit.name === 'VAR') {
|
784 | ret.units[i].unit = UNITS['W']
|
785 | }
|
786 | }
|
787 |
|
788 | return ret
|
789 | }
|
790 |
|
791 | |
792 |
|
793 |
|
794 |
|
795 |
|
796 |
|
797 | Unit.prototype.to = function (valuelessUnit) {
|
798 | let other
|
799 | const value = this.value === null ? this._normalize(1) : this.value
|
800 | if (typeof valuelessUnit === 'string') {
|
801 |
|
802 | other = Unit.parse(valuelessUnit)
|
803 | if (!this.equalBase(other)) {
|
804 | throw new Error(`Units do not match ('${other.toString()}' != '${this.toString()}')`)
|
805 | }
|
806 | if (other.value !== null) {
|
807 | throw new Error('Cannot convert to a unit with a value')
|
808 | }
|
809 |
|
810 | other.value = clone(value)
|
811 | other.fixPrefix = true
|
812 | other.isUnitListSimplified = true
|
813 | return other
|
814 | } else if (type.isUnit(valuelessUnit)) {
|
815 | if (!this.equalBase(valuelessUnit)) {
|
816 | throw new Error(`Units do not match ('${valuelessUnit.toString()}' != '${this.toString()}')`)
|
817 | }
|
818 | if (valuelessUnit.value !== null) {
|
819 | throw new Error('Cannot convert to a unit with a value')
|
820 | }
|
821 | other = valuelessUnit.clone()
|
822 | other.value = clone(value)
|
823 | other.fixPrefix = true
|
824 | other.isUnitListSimplified = true
|
825 | return other
|
826 | } else {
|
827 | throw new Error('String or Unit expected as parameter')
|
828 | }
|
829 | }
|
830 |
|
831 | |
832 |
|
833 |
|
834 |
|
835 |
|
836 |
|
837 |
|
838 | Unit.prototype.toNumber = function (valuelessUnit) {
|
839 | return toNumber(this.toNumeric(valuelessUnit))
|
840 | }
|
841 |
|
842 | |
843 |
|
844 |
|
845 |
|
846 |
|
847 |
|
848 | Unit.prototype.toNumeric = function (valuelessUnit) {
|
849 | let other = this
|
850 | if (valuelessUnit) {
|
851 |
|
852 | other = this.to(valuelessUnit)
|
853 | }
|
854 |
|
855 | other.simplifyUnitListLazy()
|
856 |
|
857 | if (other._isDerived()) {
|
858 | return other._denormalize(other.value)
|
859 | } else {
|
860 | return other._denormalize(other.value, other.units[0].prefix.value)
|
861 | }
|
862 | }
|
863 |
|
864 | |
865 |
|
866 |
|
867 |
|
868 |
|
869 | Unit.prototype.toString = function () {
|
870 | return this.format()
|
871 | }
|
872 |
|
873 | |
874 |
|
875 |
|
876 |
|
877 |
|
878 |
|
879 | Unit.prototype.toJSON = function () {
|
880 | return {
|
881 | mathjs: 'Unit',
|
882 | value: this._denormalize(this.value),
|
883 | unit: this.formatUnits(),
|
884 | fixPrefix: this.fixPrefix
|
885 | }
|
886 | }
|
887 |
|
888 | |
889 |
|
890 |
|
891 |
|
892 |
|
893 |
|
894 |
|
895 | Unit.fromJSON = function (json) {
|
896 | const unit = new Unit(json.value, json.unit)
|
897 | unit.fixPrefix = json.fixPrefix || false
|
898 | return unit
|
899 | }
|
900 |
|
901 | |
902 |
|
903 |
|
904 |
|
905 |
|
906 | Unit.prototype.valueOf = Unit.prototype.toString
|
907 |
|
908 | |
909 |
|
910 |
|
911 |
|
912 | Unit.prototype.simplifyUnitListLazy = function () {
|
913 | if (this.isUnitListSimplified || this.value === null) {
|
914 | return
|
915 | }
|
916 |
|
917 | const proposedUnitList = []
|
918 |
|
919 |
|
920 | let matchingBase
|
921 | for (const key in currentUnitSystem) {
|
922 | if (this.hasBase(BASE_UNITS[key])) {
|
923 | matchingBase = key
|
924 | break
|
925 | }
|
926 | }
|
927 |
|
928 | if (matchingBase === 'NONE') {
|
929 | this.units = []
|
930 | } else {
|
931 | let matchingUnit
|
932 | if (matchingBase) {
|
933 |
|
934 | if (currentUnitSystem.hasOwnProperty(matchingBase)) {
|
935 | matchingUnit = currentUnitSystem[matchingBase]
|
936 | }
|
937 | }
|
938 | if (matchingUnit) {
|
939 | this.units = [{
|
940 | unit: matchingUnit.unit,
|
941 | prefix: matchingUnit.prefix,
|
942 | power: 1.0
|
943 | }]
|
944 | } else {
|
945 |
|
946 |
|
947 |
|
948 | let missingBaseDim = false
|
949 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
|
950 | const baseDim = BASE_DIMENSIONS[i]
|
951 | if (Math.abs(this.dimensions[i] || 0) > 1e-12) {
|
952 | if (currentUnitSystem.hasOwnProperty(baseDim)) {
|
953 | proposedUnitList.push({
|
954 | unit: currentUnitSystem[baseDim].unit,
|
955 | prefix: currentUnitSystem[baseDim].prefix,
|
956 | power: this.dimensions[i] || 0
|
957 | })
|
958 | } else {
|
959 | missingBaseDim = true
|
960 | }
|
961 | }
|
962 | }
|
963 |
|
964 |
|
965 | if (proposedUnitList.length < this.units.length && !missingBaseDim) {
|
966 |
|
967 | this.units = proposedUnitList
|
968 | }
|
969 | }
|
970 | }
|
971 |
|
972 | this.isUnitListSimplified = true
|
973 | }
|
974 |
|
975 | Unit.prototype.toSI = function () {
|
976 | const ret = this.clone()
|
977 |
|
978 | const proposedUnitList = []
|
979 |
|
980 |
|
981 |
|
982 |
|
983 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
|
984 | const baseDim = BASE_DIMENSIONS[i]
|
985 | if (Math.abs(ret.dimensions[i] || 0) > 1e-12) {
|
986 | if (UNIT_SYSTEMS['si'].hasOwnProperty(baseDim)) {
|
987 | proposedUnitList.push({
|
988 | unit: UNIT_SYSTEMS['si'][baseDim].unit,
|
989 | prefix: UNIT_SYSTEMS['si'][baseDim].prefix,
|
990 | power: ret.dimensions[i] || 0
|
991 | })
|
992 | } else {
|
993 | throw new Error('Cannot express custom unit ' + baseDim + ' in SI units')
|
994 | }
|
995 | }
|
996 | }
|
997 |
|
998 |
|
999 | ret.units = proposedUnitList
|
1000 |
|
1001 | ret.isUnitListSimplified = true
|
1002 |
|
1003 | return ret
|
1004 | }
|
1005 |
|
1006 | |
1007 |
|
1008 |
|
1009 |
|
1010 |
|
1011 | Unit.prototype.formatUnits = function () {
|
1012 |
|
1013 | this.simplifyUnitListLazy()
|
1014 |
|
1015 | let strNum = ''
|
1016 | let strDen = ''
|
1017 | let nNum = 0
|
1018 | let nDen = 0
|
1019 |
|
1020 | for (let i = 0; i < this.units.length; i++) {
|
1021 | if (this.units[i].power > 0) {
|
1022 | nNum++
|
1023 | strNum += ' ' + this.units[i].prefix.name + this.units[i].unit.name
|
1024 | if (Math.abs(this.units[i].power - 1.0) > 1e-15) {
|
1025 | strNum += '^' + this.units[i].power
|
1026 | }
|
1027 | } else if (this.units[i].power < 0) {
|
1028 | nDen++
|
1029 | }
|
1030 | }
|
1031 |
|
1032 | if (nDen > 0) {
|
1033 | for (let i = 0; i < this.units.length; i++) {
|
1034 | if (this.units[i].power < 0) {
|
1035 | if (nNum > 0) {
|
1036 | strDen += ' ' + this.units[i].prefix.name + this.units[i].unit.name
|
1037 | if (Math.abs(this.units[i].power + 1.0) > 1e-15) {
|
1038 | strDen += '^' + (-this.units[i].power)
|
1039 | }
|
1040 | } else {
|
1041 | strDen += ' ' + this.units[i].prefix.name + this.units[i].unit.name
|
1042 | strDen += '^' + (this.units[i].power)
|
1043 | }
|
1044 | }
|
1045 | }
|
1046 | }
|
1047 |
|
1048 | strNum = strNum.substr(1)
|
1049 | strDen = strDen.substr(1)
|
1050 |
|
1051 |
|
1052 | if (nNum > 1 && nDen > 0) {
|
1053 | strNum = '(' + strNum + ')'
|
1054 | }
|
1055 | if (nDen > 1 && nNum > 0) {
|
1056 | strDen = '(' + strDen + ')'
|
1057 | }
|
1058 |
|
1059 | let str = strNum
|
1060 | if (nNum > 0 && nDen > 0) {
|
1061 | str += ' / '
|
1062 | }
|
1063 | str += strDen
|
1064 |
|
1065 | return str
|
1066 | }
|
1067 |
|
1068 | |
1069 |
|
1070 |
|
1071 |
|
1072 |
|
1073 |
|
1074 |
|
1075 |
|
1076 |
|
1077 | Unit.prototype.format = function (options) {
|
1078 |
|
1079 | this.simplifyUnitListLazy()
|
1080 |
|
1081 |
|
1082 | let isImaginary = false
|
1083 | if (typeof (this.value) !== 'undefined' && this.value !== null && type.isComplex(this.value)) {
|
1084 |
|
1085 | isImaginary = Math.abs(this.value.re) < 1e-14
|
1086 | }
|
1087 |
|
1088 | for (const i in this.units) {
|
1089 | if (this.units[i].unit) {
|
1090 | if (this.units[i].unit.name === 'VA' && isImaginary) {
|
1091 | this.units[i].unit = UNITS['VAR']
|
1092 | } else if (this.units[i].unit.name === 'VAR' && !isImaginary) {
|
1093 | this.units[i].unit = UNITS['VA']
|
1094 | }
|
1095 | }
|
1096 | }
|
1097 |
|
1098 |
|
1099 |
|
1100 | if (this.units.length === 1 && !this.fixPrefix) {
|
1101 |
|
1102 |
|
1103 | if (Math.abs(this.units[0].power - Math.round(this.units[0].power)) < 1e-14) {
|
1104 |
|
1105 | this.units[0].prefix = this._bestPrefix()
|
1106 | }
|
1107 | }
|
1108 |
|
1109 | const value = this._denormalize(this.value)
|
1110 | let str = (this.value !== null) ? format(value, options || {}) : ''
|
1111 | const unitStr = this.formatUnits()
|
1112 | if (this.value && type.isComplex(this.value)) {
|
1113 | str = '(' + str + ')'
|
1114 | }
|
1115 | if (unitStr.length > 0 && str.length > 0) {
|
1116 | str += ' '
|
1117 | }
|
1118 | str += unitStr
|
1119 |
|
1120 | return str
|
1121 | }
|
1122 |
|
1123 | |
1124 |
|
1125 |
|
1126 |
|
1127 |
|
1128 |
|
1129 | Unit.prototype._bestPrefix = function () {
|
1130 | if (this.units.length !== 1) {
|
1131 | throw new Error('Can only compute the best prefix for single units with integer powers, like kg, s^2, N^-1, and so forth!')
|
1132 | }
|
1133 | if (Math.abs(this.units[0].power - Math.round(this.units[0].power)) >= 1e-14) {
|
1134 | throw new Error('Can only compute the best prefix for single units with integer powers, like kg, s^2, N^-1, and so forth!')
|
1135 | }
|
1136 |
|
1137 |
|
1138 |
|
1139 |
|
1140 |
|
1141 |
|
1142 |
|
1143 |
|
1144 |
|
1145 | const absValue = this.value !== null ? abs(this.value) : 0
|
1146 | const absUnitValue = abs(this.units[0].unit.value)
|
1147 | let bestPrefix = this.units[0].prefix
|
1148 | if (absValue === 0) {
|
1149 | return bestPrefix
|
1150 | }
|
1151 | const power = this.units[0].power
|
1152 | let bestDiff = Math.log(absValue / Math.pow(bestPrefix.value * absUnitValue, power)) / Math.LN10 - 1.2
|
1153 | if (bestDiff > -2.200001 && bestDiff < 1.800001) return bestPrefix
|
1154 | bestDiff = Math.abs(bestDiff)
|
1155 | const prefixes = this.units[0].unit.prefixes
|
1156 | for (const p in prefixes) {
|
1157 | if (prefixes.hasOwnProperty(p)) {
|
1158 | const prefix = prefixes[p]
|
1159 | if (prefix.scientific) {
|
1160 | const diff = Math.abs(
|
1161 | Math.log(absValue / Math.pow(prefix.value * absUnitValue, power)) / Math.LN10 - 1.2)
|
1162 |
|
1163 | if (diff < bestDiff ||
|
1164 | (diff === bestDiff && prefix.name.length < bestPrefix.name.length)) {
|
1165 |
|
1166 |
|
1167 | bestPrefix = prefix
|
1168 | bestDiff = diff
|
1169 | }
|
1170 | }
|
1171 | }
|
1172 | }
|
1173 |
|
1174 | return bestPrefix
|
1175 | }
|
1176 |
|
1177 | |
1178 |
|
1179 |
|
1180 |
|
1181 |
|
1182 |
|
1183 |
|
1184 |
|
1185 |
|
1186 |
|
1187 |
|
1188 |
|
1189 |
|
1190 | Unit.prototype.splitUnit = function (parts) {
|
1191 | let x = this.clone()
|
1192 | const ret = []
|
1193 | for (let i = 0; i < parts.length; i++) {
|
1194 |
|
1195 | x = x.to(parts[i])
|
1196 | if (i === parts.length - 1) break
|
1197 |
|
1198 |
|
1199 | const xNumeric = x.toNumeric()
|
1200 |
|
1201 |
|
1202 |
|
1203 | const xRounded = round(xNumeric)
|
1204 | let xFixed
|
1205 | const isNearlyEqual = equal(xRounded, xNumeric)
|
1206 | if (isNearlyEqual) {
|
1207 | xFixed = xRounded
|
1208 | } else {
|
1209 | xFixed = fix(x.toNumeric())
|
1210 | }
|
1211 |
|
1212 | const y = new Unit(xFixed, parts[i].toString())
|
1213 | ret.push(y)
|
1214 | x = subtract(x, y)
|
1215 | }
|
1216 |
|
1217 |
|
1218 |
|
1219 |
|
1220 |
|
1221 | let testSum = 0
|
1222 | for (let i = 0; i < ret.length; i++) {
|
1223 | testSum = add(testSum, ret[i].value)
|
1224 | }
|
1225 | if (equal(testSum, this.value)) {
|
1226 | x.value = 0
|
1227 | }
|
1228 |
|
1229 | ret.push(x)
|
1230 |
|
1231 | return ret
|
1232 | }
|
1233 |
|
1234 | const PREFIXES = {
|
1235 | NONE: {
|
1236 | '': { name: '', value: 1, scientific: true }
|
1237 | },
|
1238 | SHORT: {
|
1239 | '': { name: '', value: 1, scientific: true },
|
1240 |
|
1241 | 'da': { name: 'da', value: 1e1, scientific: false },
|
1242 | 'h': { name: 'h', value: 1e2, scientific: false },
|
1243 | 'k': { name: 'k', value: 1e3, scientific: true },
|
1244 | 'M': { name: 'M', value: 1e6, scientific: true },
|
1245 | 'G': { name: 'G', value: 1e9, scientific: true },
|
1246 | 'T': { name: 'T', value: 1e12, scientific: true },
|
1247 | 'P': { name: 'P', value: 1e15, scientific: true },
|
1248 | 'E': { name: 'E', value: 1e18, scientific: true },
|
1249 | 'Z': { name: 'Z', value: 1e21, scientific: true },
|
1250 | 'Y': { name: 'Y', value: 1e24, scientific: true },
|
1251 |
|
1252 | 'd': { name: 'd', value: 1e-1, scientific: false },
|
1253 | 'c': { name: 'c', value: 1e-2, scientific: false },
|
1254 | 'm': { name: 'm', value: 1e-3, scientific: true },
|
1255 | 'u': { name: 'u', value: 1e-6, scientific: true },
|
1256 | 'n': { name: 'n', value: 1e-9, scientific: true },
|
1257 | 'p': { name: 'p', value: 1e-12, scientific: true },
|
1258 | 'f': { name: 'f', value: 1e-15, scientific: true },
|
1259 | 'a': { name: 'a', value: 1e-18, scientific: true },
|
1260 | 'z': { name: 'z', value: 1e-21, scientific: true },
|
1261 | 'y': { name: 'y', value: 1e-24, scientific: true }
|
1262 | },
|
1263 | LONG: {
|
1264 | '': { name: '', value: 1, scientific: true },
|
1265 |
|
1266 | 'deca': { name: 'deca', value: 1e1, scientific: false },
|
1267 | 'hecto': { name: 'hecto', value: 1e2, scientific: false },
|
1268 | 'kilo': { name: 'kilo', value: 1e3, scientific: true },
|
1269 | 'mega': { name: 'mega', value: 1e6, scientific: true },
|
1270 | 'giga': { name: 'giga', value: 1e9, scientific: true },
|
1271 | 'tera': { name: 'tera', value: 1e12, scientific: true },
|
1272 | 'peta': { name: 'peta', value: 1e15, scientific: true },
|
1273 | 'exa': { name: 'exa', value: 1e18, scientific: true },
|
1274 | 'zetta': { name: 'zetta', value: 1e21, scientific: true },
|
1275 | 'yotta': { name: 'yotta', value: 1e24, scientific: true },
|
1276 |
|
1277 | 'deci': { name: 'deci', value: 1e-1, scientific: false },
|
1278 | 'centi': { name: 'centi', value: 1e-2, scientific: false },
|
1279 | 'milli': { name: 'milli', value: 1e-3, scientific: true },
|
1280 | 'micro': { name: 'micro', value: 1e-6, scientific: true },
|
1281 | 'nano': { name: 'nano', value: 1e-9, scientific: true },
|
1282 | 'pico': { name: 'pico', value: 1e-12, scientific: true },
|
1283 | 'femto': { name: 'femto', value: 1e-15, scientific: true },
|
1284 | 'atto': { name: 'atto', value: 1e-18, scientific: true },
|
1285 | 'zepto': { name: 'zepto', value: 1e-21, scientific: true },
|
1286 | 'yocto': { name: 'yocto', value: 1e-24, scientific: true }
|
1287 | },
|
1288 | SQUARED: {
|
1289 | '': { name: '', value: 1, scientific: true },
|
1290 |
|
1291 | 'da': { name: 'da', value: 1e2, scientific: false },
|
1292 | 'h': { name: 'h', value: 1e4, scientific: false },
|
1293 | 'k': { name: 'k', value: 1e6, scientific: true },
|
1294 | 'M': { name: 'M', value: 1e12, scientific: true },
|
1295 | 'G': { name: 'G', value: 1e18, scientific: true },
|
1296 | 'T': { name: 'T', value: 1e24, scientific: true },
|
1297 | 'P': { name: 'P', value: 1e30, scientific: true },
|
1298 | 'E': { name: 'E', value: 1e36, scientific: true },
|
1299 | 'Z': { name: 'Z', value: 1e42, scientific: true },
|
1300 | 'Y': { name: 'Y', value: 1e48, scientific: true },
|
1301 |
|
1302 | 'd': { name: 'd', value: 1e-2, scientific: false },
|
1303 | 'c': { name: 'c', value: 1e-4, scientific: false },
|
1304 | 'm': { name: 'm', value: 1e-6, scientific: true },
|
1305 | 'u': { name: 'u', value: 1e-12, scientific: true },
|
1306 | 'n': { name: 'n', value: 1e-18, scientific: true },
|
1307 | 'p': { name: 'p', value: 1e-24, scientific: true },
|
1308 | 'f': { name: 'f', value: 1e-30, scientific: true },
|
1309 | 'a': { name: 'a', value: 1e-36, scientific: true },
|
1310 | 'z': { name: 'z', value: 1e-42, scientific: true },
|
1311 | 'y': { name: 'y', value: 1e-48, scientific: true }
|
1312 | },
|
1313 | CUBIC: {
|
1314 | '': { name: '', value: 1, scientific: true },
|
1315 |
|
1316 | 'da': { name: 'da', value: 1e3, scientific: false },
|
1317 | 'h': { name: 'h', value: 1e6, scientific: false },
|
1318 | 'k': { name: 'k', value: 1e9, scientific: true },
|
1319 | 'M': { name: 'M', value: 1e18, scientific: true },
|
1320 | 'G': { name: 'G', value: 1e27, scientific: true },
|
1321 | 'T': { name: 'T', value: 1e36, scientific: true },
|
1322 | 'P': { name: 'P', value: 1e45, scientific: true },
|
1323 | 'E': { name: 'E', value: 1e54, scientific: true },
|
1324 | 'Z': { name: 'Z', value: 1e63, scientific: true },
|
1325 | 'Y': { name: 'Y', value: 1e72, scientific: true },
|
1326 |
|
1327 | 'd': { name: 'd', value: 1e-3, scientific: false },
|
1328 | 'c': { name: 'c', value: 1e-6, scientific: false },
|
1329 | 'm': { name: 'm', value: 1e-9, scientific: true },
|
1330 | 'u': { name: 'u', value: 1e-18, scientific: true },
|
1331 | 'n': { name: 'n', value: 1e-27, scientific: true },
|
1332 | 'p': { name: 'p', value: 1e-36, scientific: true },
|
1333 | 'f': { name: 'f', value: 1e-45, scientific: true },
|
1334 | 'a': { name: 'a', value: 1e-54, scientific: true },
|
1335 | 'z': { name: 'z', value: 1e-63, scientific: true },
|
1336 | 'y': { name: 'y', value: 1e-72, scientific: true }
|
1337 | },
|
1338 | BINARY_SHORT: {
|
1339 | '': { name: '', value: 1, scientific: true },
|
1340 | 'k': { name: 'k', value: 1e3, scientific: true },
|
1341 | 'M': { name: 'M', value: 1e6, scientific: true },
|
1342 | 'G': { name: 'G', value: 1e9, scientific: true },
|
1343 | 'T': { name: 'T', value: 1e12, scientific: true },
|
1344 | 'P': { name: 'P', value: 1e15, scientific: true },
|
1345 | 'E': { name: 'E', value: 1e18, scientific: true },
|
1346 | 'Z': { name: 'Z', value: 1e21, scientific: true },
|
1347 | 'Y': { name: 'Y', value: 1e24, scientific: true },
|
1348 |
|
1349 | 'Ki': { name: 'Ki', value: 1024, scientific: true },
|
1350 | 'Mi': { name: 'Mi', value: Math.pow(1024, 2), scientific: true },
|
1351 | 'Gi': { name: 'Gi', value: Math.pow(1024, 3), scientific: true },
|
1352 | 'Ti': { name: 'Ti', value: Math.pow(1024, 4), scientific: true },
|
1353 | 'Pi': { name: 'Pi', value: Math.pow(1024, 5), scientific: true },
|
1354 | 'Ei': { name: 'Ei', value: Math.pow(1024, 6), scientific: true },
|
1355 | 'Zi': { name: 'Zi', value: Math.pow(1024, 7), scientific: true },
|
1356 | 'Yi': { name: 'Yi', value: Math.pow(1024, 8), scientific: true }
|
1357 | },
|
1358 | BINARY_LONG: {
|
1359 | '': { name: '', value: 1, scientific: true },
|
1360 | 'kilo': { name: 'kilo', value: 1e3, scientific: true },
|
1361 | 'mega': { name: 'mega', value: 1e6, scientific: true },
|
1362 | 'giga': { name: 'giga', value: 1e9, scientific: true },
|
1363 | 'tera': { name: 'tera', value: 1e12, scientific: true },
|
1364 | 'peta': { name: 'peta', value: 1e15, scientific: true },
|
1365 | 'exa': { name: 'exa', value: 1e18, scientific: true },
|
1366 | 'zetta': { name: 'zetta', value: 1e21, scientific: true },
|
1367 | 'yotta': { name: 'yotta', value: 1e24, scientific: true },
|
1368 |
|
1369 | 'kibi': { name: 'kibi', value: 1024, scientific: true },
|
1370 | 'mebi': { name: 'mebi', value: Math.pow(1024, 2), scientific: true },
|
1371 | 'gibi': { name: 'gibi', value: Math.pow(1024, 3), scientific: true },
|
1372 | 'tebi': { name: 'tebi', value: Math.pow(1024, 4), scientific: true },
|
1373 | 'pebi': { name: 'pebi', value: Math.pow(1024, 5), scientific: true },
|
1374 | 'exi': { name: 'exi', value: Math.pow(1024, 6), scientific: true },
|
1375 | 'zebi': { name: 'zebi', value: Math.pow(1024, 7), scientific: true },
|
1376 | 'yobi': { name: 'yobi', value: Math.pow(1024, 8), scientific: true }
|
1377 | },
|
1378 | BTU: {
|
1379 | '': { name: '', value: 1, scientific: true },
|
1380 | 'MM': { name: 'MM', value: 1e6, scientific: true }
|
1381 | }
|
1382 | }
|
1383 |
|
1384 |
|
1385 | PREFIXES.SHORTLONG = {}
|
1386 | for (let key in PREFIXES.SHORT) {
|
1387 | if (PREFIXES.SHORT.hasOwnProperty(key)) {
|
1388 | PREFIXES.SHORTLONG[key] = PREFIXES.SHORT[key]
|
1389 | }
|
1390 | }
|
1391 | for (let key in PREFIXES.LONG) {
|
1392 | if (PREFIXES.LONG.hasOwnProperty(key)) {
|
1393 | PREFIXES.SHORTLONG[key] = PREFIXES.LONG[key]
|
1394 | }
|
1395 | }
|
1396 |
|
1397 | |
1398 |
|
1399 |
|
1400 |
|
1401 |
|
1402 |
|
1403 |
|
1404 |
|
1405 |
|
1406 |
|
1407 |
|
1408 |
|
1409 |
|
1410 |
|
1411 |
|
1412 |
|
1413 | const BASE_DIMENSIONS = ['MASS', 'LENGTH', 'TIME', 'CURRENT', 'TEMPERATURE', 'LUMINOUS_INTENSITY', 'AMOUNT_OF_SUBSTANCE', 'ANGLE', 'BIT']
|
1414 |
|
1415 | const BASE_UNITS = {
|
1416 | NONE: {
|
1417 | dimensions: [0, 0, 0, 0, 0, 0, 0, 0, 0]
|
1418 | },
|
1419 | MASS: {
|
1420 | dimensions: [1, 0, 0, 0, 0, 0, 0, 0, 0]
|
1421 | },
|
1422 | LENGTH: {
|
1423 | dimensions: [0, 1, 0, 0, 0, 0, 0, 0, 0]
|
1424 | },
|
1425 | TIME: {
|
1426 | dimensions: [0, 0, 1, 0, 0, 0, 0, 0, 0]
|
1427 | },
|
1428 | CURRENT: {
|
1429 | dimensions: [0, 0, 0, 1, 0, 0, 0, 0, 0]
|
1430 | },
|
1431 | TEMPERATURE: {
|
1432 | dimensions: [0, 0, 0, 0, 1, 0, 0, 0, 0]
|
1433 | },
|
1434 | LUMINOUS_INTENSITY: {
|
1435 | dimensions: [0, 0, 0, 0, 0, 1, 0, 0, 0]
|
1436 | },
|
1437 | AMOUNT_OF_SUBSTANCE: {
|
1438 | dimensions: [0, 0, 0, 0, 0, 0, 1, 0, 0]
|
1439 | },
|
1440 |
|
1441 | FORCE: {
|
1442 | dimensions: [1, 1, -2, 0, 0, 0, 0, 0, 0]
|
1443 | },
|
1444 | SURFACE: {
|
1445 | dimensions: [0, 2, 0, 0, 0, 0, 0, 0, 0]
|
1446 | },
|
1447 | VOLUME: {
|
1448 | dimensions: [0, 3, 0, 0, 0, 0, 0, 0, 0]
|
1449 | },
|
1450 | ENERGY: {
|
1451 | dimensions: [1, 2, -2, 0, 0, 0, 0, 0, 0]
|
1452 | },
|
1453 | POWER: {
|
1454 | dimensions: [1, 2, -3, 0, 0, 0, 0, 0, 0]
|
1455 | },
|
1456 | PRESSURE: {
|
1457 | dimensions: [1, -1, -2, 0, 0, 0, 0, 0, 0]
|
1458 | },
|
1459 |
|
1460 | ELECTRIC_CHARGE: {
|
1461 | dimensions: [0, 0, 1, 1, 0, 0, 0, 0, 0]
|
1462 | },
|
1463 | ELECTRIC_CAPACITANCE: {
|
1464 | dimensions: [-1, -2, 4, 2, 0, 0, 0, 0, 0]
|
1465 | },
|
1466 | ELECTRIC_POTENTIAL: {
|
1467 | dimensions: [1, 2, -3, -1, 0, 0, 0, 0, 0]
|
1468 | },
|
1469 | ELECTRIC_RESISTANCE: {
|
1470 | dimensions: [1, 2, -3, -2, 0, 0, 0, 0, 0]
|
1471 | },
|
1472 | ELECTRIC_INDUCTANCE: {
|
1473 | dimensions: [1, 2, -2, -2, 0, 0, 0, 0, 0]
|
1474 | },
|
1475 | ELECTRIC_CONDUCTANCE: {
|
1476 | dimensions: [-1, -2, 3, 2, 0, 0, 0, 0, 0]
|
1477 | },
|
1478 | MAGNETIC_FLUX: {
|
1479 | dimensions: [1, 2, -2, -1, 0, 0, 0, 0, 0]
|
1480 | },
|
1481 | MAGNETIC_FLUX_DENSITY: {
|
1482 | dimensions: [1, 0, -2, -1, 0, 0, 0, 0, 0]
|
1483 | },
|
1484 |
|
1485 | FREQUENCY: {
|
1486 | dimensions: [0, 0, -1, 0, 0, 0, 0, 0, 0]
|
1487 | },
|
1488 | ANGLE: {
|
1489 | dimensions: [0, 0, 0, 0, 0, 0, 0, 1, 0]
|
1490 | },
|
1491 | BIT: {
|
1492 | dimensions: [0, 0, 0, 0, 0, 0, 0, 0, 1]
|
1493 | }
|
1494 | }
|
1495 |
|
1496 | for (let key in BASE_UNITS) {
|
1497 | BASE_UNITS[key].key = key
|
1498 | }
|
1499 |
|
1500 | const BASE_UNIT_NONE = {}
|
1501 |
|
1502 | const UNIT_NONE = { name: '', base: BASE_UNIT_NONE, value: 1, offset: 0, dimensions: [0, 0, 0, 0, 0, 0, 0, 0, 0] }
|
1503 |
|
1504 | const UNITS = {
|
1505 |
|
1506 | meter: {
|
1507 | name: 'meter',
|
1508 | base: BASE_UNITS.LENGTH,
|
1509 | prefixes: PREFIXES.LONG,
|
1510 | value: 1,
|
1511 | offset: 0
|
1512 | },
|
1513 | inch: {
|
1514 | name: 'inch',
|
1515 | base: BASE_UNITS.LENGTH,
|
1516 | prefixes: PREFIXES.NONE,
|
1517 | value: 0.0254,
|
1518 | offset: 0
|
1519 | },
|
1520 | foot: {
|
1521 | name: 'foot',
|
1522 | base: BASE_UNITS.LENGTH,
|
1523 | prefixes: PREFIXES.NONE,
|
1524 | value: 0.3048,
|
1525 | offset: 0
|
1526 | },
|
1527 | yard: {
|
1528 | name: 'yard',
|
1529 | base: BASE_UNITS.LENGTH,
|
1530 | prefixes: PREFIXES.NONE,
|
1531 | value: 0.9144,
|
1532 | offset: 0
|
1533 | },
|
1534 | mile: {
|
1535 | name: 'mile',
|
1536 | base: BASE_UNITS.LENGTH,
|
1537 | prefixes: PREFIXES.NONE,
|
1538 | value: 1609.344,
|
1539 | offset: 0
|
1540 | },
|
1541 | link: {
|
1542 | name: 'link',
|
1543 | base: BASE_UNITS.LENGTH,
|
1544 | prefixes: PREFIXES.NONE,
|
1545 | value: 0.201168,
|
1546 | offset: 0
|
1547 | },
|
1548 | rod: {
|
1549 | name: 'rod',
|
1550 | base: BASE_UNITS.LENGTH,
|
1551 | prefixes: PREFIXES.NONE,
|
1552 | value: 5.0292,
|
1553 | offset: 0
|
1554 | },
|
1555 | chain: {
|
1556 | name: 'chain',
|
1557 | base: BASE_UNITS.LENGTH,
|
1558 | prefixes: PREFIXES.NONE,
|
1559 | value: 20.1168,
|
1560 | offset: 0
|
1561 | },
|
1562 | angstrom: {
|
1563 | name: 'angstrom',
|
1564 | base: BASE_UNITS.LENGTH,
|
1565 | prefixes: PREFIXES.NONE,
|
1566 | value: 1e-10,
|
1567 | offset: 0
|
1568 | },
|
1569 |
|
1570 | m: {
|
1571 | name: 'm',
|
1572 | base: BASE_UNITS.LENGTH,
|
1573 | prefixes: PREFIXES.SHORT,
|
1574 | value: 1,
|
1575 | offset: 0
|
1576 | },
|
1577 | 'in': {
|
1578 | name: 'in',
|
1579 | base: BASE_UNITS.LENGTH,
|
1580 | prefixes: PREFIXES.NONE,
|
1581 | value: 0.0254,
|
1582 | offset: 0
|
1583 | },
|
1584 | ft: {
|
1585 | name: 'ft',
|
1586 | base: BASE_UNITS.LENGTH,
|
1587 | prefixes: PREFIXES.NONE,
|
1588 | value: 0.3048,
|
1589 | offset: 0
|
1590 | },
|
1591 | yd: {
|
1592 | name: 'yd',
|
1593 | base: BASE_UNITS.LENGTH,
|
1594 | prefixes: PREFIXES.NONE,
|
1595 | value: 0.9144,
|
1596 | offset: 0
|
1597 | },
|
1598 | mi: {
|
1599 | name: 'mi',
|
1600 | base: BASE_UNITS.LENGTH,
|
1601 | prefixes: PREFIXES.NONE,
|
1602 | value: 1609.344,
|
1603 | offset: 0
|
1604 | },
|
1605 | li: {
|
1606 | name: 'li',
|
1607 | base: BASE_UNITS.LENGTH,
|
1608 | prefixes: PREFIXES.NONE,
|
1609 | value: 0.201168,
|
1610 | offset: 0
|
1611 | },
|
1612 | rd: {
|
1613 | name: 'rd',
|
1614 | base: BASE_UNITS.LENGTH,
|
1615 | prefixes: PREFIXES.NONE,
|
1616 | value: 5.029210,
|
1617 | offset: 0
|
1618 | },
|
1619 | ch: {
|
1620 | name: 'ch',
|
1621 | base: BASE_UNITS.LENGTH,
|
1622 | prefixes: PREFIXES.NONE,
|
1623 | value: 20.1168,
|
1624 | offset: 0
|
1625 | },
|
1626 | mil: {
|
1627 | name: 'mil',
|
1628 | base: BASE_UNITS.LENGTH,
|
1629 | prefixes: PREFIXES.NONE,
|
1630 | value: 0.0000254,
|
1631 | offset: 0
|
1632 | },
|
1633 |
|
1634 |
|
1635 | m2: {
|
1636 | name: 'm2',
|
1637 | base: BASE_UNITS.SURFACE,
|
1638 | prefixes: PREFIXES.SQUARED,
|
1639 | value: 1,
|
1640 | offset: 0
|
1641 | },
|
1642 | sqin: {
|
1643 | name: 'sqin',
|
1644 | base: BASE_UNITS.SURFACE,
|
1645 | prefixes: PREFIXES.NONE,
|
1646 | value: 0.00064516,
|
1647 | offset: 0
|
1648 | },
|
1649 | sqft: {
|
1650 | name: 'sqft',
|
1651 | base: BASE_UNITS.SURFACE,
|
1652 | prefixes: PREFIXES.NONE,
|
1653 | value: 0.09290304,
|
1654 | offset: 0
|
1655 | },
|
1656 | sqyd: {
|
1657 | name: 'sqyd',
|
1658 | base: BASE_UNITS.SURFACE,
|
1659 | prefixes: PREFIXES.NONE,
|
1660 | value: 0.83612736,
|
1661 | offset: 0
|
1662 | },
|
1663 | sqmi: {
|
1664 | name: 'sqmi',
|
1665 | base: BASE_UNITS.SURFACE,
|
1666 | prefixes: PREFIXES.NONE,
|
1667 | value: 2589988.110336,
|
1668 | offset: 0
|
1669 | },
|
1670 | sqrd: {
|
1671 | name: 'sqrd',
|
1672 | base: BASE_UNITS.SURFACE,
|
1673 | prefixes: PREFIXES.NONE,
|
1674 | value: 25.29295,
|
1675 | offset: 0
|
1676 | },
|
1677 | sqch: {
|
1678 | name: 'sqch',
|
1679 | base: BASE_UNITS.SURFACE,
|
1680 | prefixes: PREFIXES.NONE,
|
1681 | value: 404.6873,
|
1682 | offset: 0
|
1683 | },
|
1684 | sqmil: {
|
1685 | name: 'sqmil',
|
1686 | base: BASE_UNITS.SURFACE,
|
1687 | prefixes: PREFIXES.NONE,
|
1688 | value: 6.4516e-10,
|
1689 | offset: 0
|
1690 | },
|
1691 | acre: {
|
1692 | name: 'acre',
|
1693 | base: BASE_UNITS.SURFACE,
|
1694 | prefixes: PREFIXES.NONE,
|
1695 | value: 4046.86,
|
1696 | offset: 0
|
1697 | },
|
1698 | hectare: {
|
1699 | name: 'hectare',
|
1700 | base: BASE_UNITS.SURFACE,
|
1701 | prefixes: PREFIXES.NONE,
|
1702 | value: 10000,
|
1703 | offset: 0
|
1704 | },
|
1705 |
|
1706 |
|
1707 | m3: {
|
1708 | name: 'm3',
|
1709 | base: BASE_UNITS.VOLUME,
|
1710 | prefixes: PREFIXES.CUBIC,
|
1711 | value: 1,
|
1712 | offset: 0
|
1713 | },
|
1714 | L: {
|
1715 | name: 'L',
|
1716 | base: BASE_UNITS.VOLUME,
|
1717 | prefixes: PREFIXES.SHORT,
|
1718 | value: 0.001,
|
1719 | offset: 0
|
1720 | },
|
1721 | l: {
|
1722 | name: 'l',
|
1723 | base: BASE_UNITS.VOLUME,
|
1724 | prefixes: PREFIXES.SHORT,
|
1725 | value: 0.001,
|
1726 | offset: 0
|
1727 | },
|
1728 | litre: {
|
1729 | name: 'litre',
|
1730 | base: BASE_UNITS.VOLUME,
|
1731 | prefixes: PREFIXES.LONG,
|
1732 | value: 0.001,
|
1733 | offset: 0
|
1734 | },
|
1735 | cuin: {
|
1736 | name: 'cuin',
|
1737 | base: BASE_UNITS.VOLUME,
|
1738 | prefixes: PREFIXES.NONE,
|
1739 | value: 1.6387064e-5,
|
1740 | offset: 0
|
1741 | },
|
1742 | cuft: {
|
1743 | name: 'cuft',
|
1744 | base: BASE_UNITS.VOLUME,
|
1745 | prefixes: PREFIXES.NONE,
|
1746 | value: 0.028316846592,
|
1747 | offset: 0
|
1748 | },
|
1749 | cuyd: {
|
1750 | name: 'cuyd',
|
1751 | base: BASE_UNITS.VOLUME,
|
1752 | prefixes: PREFIXES.NONE,
|
1753 | value: 0.764554857984,
|
1754 | offset: 0
|
1755 | },
|
1756 | teaspoon: {
|
1757 | name: 'teaspoon',
|
1758 | base: BASE_UNITS.VOLUME,
|
1759 | prefixes: PREFIXES.NONE,
|
1760 | value: 0.000005,
|
1761 | offset: 0
|
1762 | },
|
1763 | tablespoon: {
|
1764 | name: 'tablespoon',
|
1765 | base: BASE_UNITS.VOLUME,
|
1766 | prefixes: PREFIXES.NONE,
|
1767 | value: 0.000015,
|
1768 | offset: 0
|
1769 | },
|
1770 |
|
1771 | drop: {
|
1772 | name: 'drop',
|
1773 | base: BASE_UNITS.VOLUME,
|
1774 | prefixes: PREFIXES.NONE,
|
1775 | value: 5e-8,
|
1776 | offset: 0
|
1777 | },
|
1778 | gtt: {
|
1779 | name: 'gtt',
|
1780 | base: BASE_UNITS.VOLUME,
|
1781 | prefixes: PREFIXES.NONE,
|
1782 | value: 5e-8,
|
1783 | offset: 0
|
1784 | },
|
1785 |
|
1786 |
|
1787 | minim: {
|
1788 | name: 'minim',
|
1789 | base: BASE_UNITS.VOLUME,
|
1790 | prefixes: PREFIXES.NONE,
|
1791 | value: 0.00000006161152,
|
1792 | offset: 0
|
1793 | },
|
1794 | fluiddram: {
|
1795 | name: 'fluiddram',
|
1796 | base: BASE_UNITS.VOLUME,
|
1797 | prefixes: PREFIXES.NONE,
|
1798 | value: 0.0000036966911,
|
1799 | offset: 0
|
1800 | },
|
1801 | fluidounce: {
|
1802 | name: 'fluidounce',
|
1803 | base: BASE_UNITS.VOLUME,
|
1804 | prefixes: PREFIXES.NONE,
|
1805 | value: 0.00002957353,
|
1806 | offset: 0
|
1807 | },
|
1808 | gill: {
|
1809 | name: 'gill',
|
1810 | base: BASE_UNITS.VOLUME,
|
1811 | prefixes: PREFIXES.NONE,
|
1812 | value: 0.0001182941,
|
1813 | offset: 0
|
1814 | },
|
1815 | cc: {
|
1816 | name: 'cc',
|
1817 | base: BASE_UNITS.VOLUME,
|
1818 | prefixes: PREFIXES.NONE,
|
1819 | value: 1e-6,
|
1820 | offset: 0
|
1821 | },
|
1822 | cup: {
|
1823 | name: 'cup',
|
1824 | base: BASE_UNITS.VOLUME,
|
1825 | prefixes: PREFIXES.NONE,
|
1826 | value: 0.0002365882,
|
1827 | offset: 0
|
1828 | },
|
1829 | pint: {
|
1830 | name: 'pint',
|
1831 | base: BASE_UNITS.VOLUME,
|
1832 | prefixes: PREFIXES.NONE,
|
1833 | value: 0.0004731765,
|
1834 | offset: 0
|
1835 | },
|
1836 | quart: {
|
1837 | name: 'quart',
|
1838 | base: BASE_UNITS.VOLUME,
|
1839 | prefixes: PREFIXES.NONE,
|
1840 | value: 0.0009463529,
|
1841 | offset: 0
|
1842 | },
|
1843 | gallon: {
|
1844 | name: 'gallon',
|
1845 | base: BASE_UNITS.VOLUME,
|
1846 | prefixes: PREFIXES.NONE,
|
1847 | value: 0.003785412,
|
1848 | offset: 0
|
1849 | },
|
1850 | beerbarrel: {
|
1851 | name: 'beerbarrel',
|
1852 | base: BASE_UNITS.VOLUME,
|
1853 | prefixes: PREFIXES.NONE,
|
1854 | value: 0.1173478,
|
1855 | offset: 0
|
1856 | },
|
1857 | oilbarrel: {
|
1858 | name: 'oilbarrel',
|
1859 | base: BASE_UNITS.VOLUME,
|
1860 | prefixes: PREFIXES.NONE,
|
1861 | value: 0.1589873,
|
1862 | offset: 0
|
1863 | },
|
1864 | hogshead: {
|
1865 | name: 'hogshead',
|
1866 | base: BASE_UNITS.VOLUME,
|
1867 | prefixes: PREFIXES.NONE,
|
1868 | value: 0.2384810,
|
1869 | offset: 0
|
1870 | },
|
1871 |
|
1872 |
|
1873 | fldr: {
|
1874 | name: 'fldr',
|
1875 | base: BASE_UNITS.VOLUME,
|
1876 | prefixes: PREFIXES.NONE,
|
1877 | value: 0.0000036966911,
|
1878 | offset: 0
|
1879 | },
|
1880 | floz: {
|
1881 | name: 'floz',
|
1882 | base: BASE_UNITS.VOLUME,
|
1883 | prefixes: PREFIXES.NONE,
|
1884 | value: 0.00002957353,
|
1885 | offset: 0
|
1886 | },
|
1887 | gi: {
|
1888 | name: 'gi',
|
1889 | base: BASE_UNITS.VOLUME,
|
1890 | prefixes: PREFIXES.NONE,
|
1891 | value: 0.0001182941,
|
1892 | offset: 0
|
1893 | },
|
1894 | cp: {
|
1895 | name: 'cp',
|
1896 | base: BASE_UNITS.VOLUME,
|
1897 | prefixes: PREFIXES.NONE,
|
1898 | value: 0.0002365882,
|
1899 | offset: 0
|
1900 | },
|
1901 | pt: {
|
1902 | name: 'pt',
|
1903 | base: BASE_UNITS.VOLUME,
|
1904 | prefixes: PREFIXES.NONE,
|
1905 | value: 0.0004731765,
|
1906 | offset: 0
|
1907 | },
|
1908 | qt: {
|
1909 | name: 'qt',
|
1910 | base: BASE_UNITS.VOLUME,
|
1911 | prefixes: PREFIXES.NONE,
|
1912 | value: 0.0009463529,
|
1913 | offset: 0
|
1914 | },
|
1915 | gal: {
|
1916 | name: 'gal',
|
1917 | base: BASE_UNITS.VOLUME,
|
1918 | prefixes: PREFIXES.NONE,
|
1919 | value: 0.003785412,
|
1920 | offset: 0
|
1921 | },
|
1922 | bbl: {
|
1923 | name: 'bbl',
|
1924 | base: BASE_UNITS.VOLUME,
|
1925 | prefixes: PREFIXES.NONE,
|
1926 | value: 0.1173478,
|
1927 | offset: 0
|
1928 | },
|
1929 | obl: {
|
1930 | name: 'obl',
|
1931 | base: BASE_UNITS.VOLUME,
|
1932 | prefixes: PREFIXES.NONE,
|
1933 | value: 0.1589873,
|
1934 | offset: 0
|
1935 | },
|
1936 |
|
1937 |
|
1938 |
|
1939 | g: {
|
1940 | name: 'g',
|
1941 | base: BASE_UNITS.MASS,
|
1942 | prefixes: PREFIXES.SHORT,
|
1943 | value: 0.001,
|
1944 | offset: 0
|
1945 | },
|
1946 | gram: {
|
1947 | name: 'gram',
|
1948 | base: BASE_UNITS.MASS,
|
1949 | prefixes: PREFIXES.LONG,
|
1950 | value: 0.001,
|
1951 | offset: 0
|
1952 | },
|
1953 |
|
1954 | ton: {
|
1955 | name: 'ton',
|
1956 | base: BASE_UNITS.MASS,
|
1957 | prefixes: PREFIXES.SHORT,
|
1958 | value: 907.18474,
|
1959 | offset: 0
|
1960 | },
|
1961 | tonne: {
|
1962 | name: 'tonne',
|
1963 | base: BASE_UNITS.MASS,
|
1964 | prefixes: PREFIXES.SHORT,
|
1965 | value: 1000,
|
1966 | offset: 0
|
1967 | },
|
1968 |
|
1969 | grain: {
|
1970 | name: 'grain',
|
1971 | base: BASE_UNITS.MASS,
|
1972 | prefixes: PREFIXES.NONE,
|
1973 | value: 64.79891e-6,
|
1974 | offset: 0
|
1975 | },
|
1976 | dram: {
|
1977 | name: 'dram',
|
1978 | base: BASE_UNITS.MASS,
|
1979 | prefixes: PREFIXES.NONE,
|
1980 | value: 1.7718451953125e-3,
|
1981 | offset: 0
|
1982 | },
|
1983 | ounce: {
|
1984 | name: 'ounce',
|
1985 | base: BASE_UNITS.MASS,
|
1986 | prefixes: PREFIXES.NONE,
|
1987 | value: 28.349523125e-3,
|
1988 | offset: 0
|
1989 | },
|
1990 | poundmass: {
|
1991 | name: 'poundmass',
|
1992 | base: BASE_UNITS.MASS,
|
1993 | prefixes: PREFIXES.NONE,
|
1994 | value: 453.59237e-3,
|
1995 | offset: 0
|
1996 | },
|
1997 | hundredweight: {
|
1998 | name: 'hundredweight',
|
1999 | base: BASE_UNITS.MASS,
|
2000 | prefixes: PREFIXES.NONE,
|
2001 | value: 45.359237,
|
2002 | offset: 0
|
2003 | },
|
2004 | stick: {
|
2005 | name: 'stick',
|
2006 | base: BASE_UNITS.MASS,
|
2007 | prefixes: PREFIXES.NONE,
|
2008 | value: 115e-3,
|
2009 | offset: 0
|
2010 | },
|
2011 | stone: {
|
2012 | name: 'stone',
|
2013 | base: BASE_UNITS.MASS,
|
2014 | prefixes: PREFIXES.NONE,
|
2015 | value: 6.35029318,
|
2016 | offset: 0
|
2017 | },
|
2018 |
|
2019 | gr: {
|
2020 | name: 'gr',
|
2021 | base: BASE_UNITS.MASS,
|
2022 | prefixes: PREFIXES.NONE,
|
2023 | value: 64.79891e-6,
|
2024 | offset: 0
|
2025 | },
|
2026 | dr: {
|
2027 | name: 'dr',
|
2028 | base: BASE_UNITS.MASS,
|
2029 | prefixes: PREFIXES.NONE,
|
2030 | value: 1.7718451953125e-3,
|
2031 | offset: 0
|
2032 | },
|
2033 | oz: {
|
2034 | name: 'oz',
|
2035 | base: BASE_UNITS.MASS,
|
2036 | prefixes: PREFIXES.NONE,
|
2037 | value: 28.349523125e-3,
|
2038 | offset: 0
|
2039 | },
|
2040 | lbm: {
|
2041 | name: 'lbm',
|
2042 | base: BASE_UNITS.MASS,
|
2043 | prefixes: PREFIXES.NONE,
|
2044 | value: 453.59237e-3,
|
2045 | offset: 0
|
2046 | },
|
2047 | cwt: {
|
2048 | name: 'cwt',
|
2049 | base: BASE_UNITS.MASS,
|
2050 | prefixes: PREFIXES.NONE,
|
2051 | value: 45.359237,
|
2052 | offset: 0
|
2053 | },
|
2054 |
|
2055 |
|
2056 | s: {
|
2057 | name: 's',
|
2058 | base: BASE_UNITS.TIME,
|
2059 | prefixes: PREFIXES.SHORT,
|
2060 | value: 1,
|
2061 | offset: 0
|
2062 | },
|
2063 | min: {
|
2064 | name: 'min',
|
2065 | base: BASE_UNITS.TIME,
|
2066 | prefixes: PREFIXES.NONE,
|
2067 | value: 60,
|
2068 | offset: 0
|
2069 | },
|
2070 | h: {
|
2071 | name: 'h',
|
2072 | base: BASE_UNITS.TIME,
|
2073 | prefixes: PREFIXES.NONE,
|
2074 | value: 3600,
|
2075 | offset: 0
|
2076 | },
|
2077 | second: {
|
2078 | name: 'second',
|
2079 | base: BASE_UNITS.TIME,
|
2080 | prefixes: PREFIXES.LONG,
|
2081 | value: 1,
|
2082 | offset: 0
|
2083 | },
|
2084 | sec: {
|
2085 | name: 'sec',
|
2086 | base: BASE_UNITS.TIME,
|
2087 | prefixes: PREFIXES.LONG,
|
2088 | value: 1,
|
2089 | offset: 0
|
2090 | },
|
2091 | minute: {
|
2092 | name: 'minute',
|
2093 | base: BASE_UNITS.TIME,
|
2094 | prefixes: PREFIXES.NONE,
|
2095 | value: 60,
|
2096 | offset: 0
|
2097 | },
|
2098 | hour: {
|
2099 | name: 'hour',
|
2100 | base: BASE_UNITS.TIME,
|
2101 | prefixes: PREFIXES.NONE,
|
2102 | value: 3600,
|
2103 | offset: 0
|
2104 | },
|
2105 | day: {
|
2106 | name: 'day',
|
2107 | base: BASE_UNITS.TIME,
|
2108 | prefixes: PREFIXES.NONE,
|
2109 | value: 86400,
|
2110 | offset: 0
|
2111 | },
|
2112 | week: {
|
2113 | name: 'week',
|
2114 | base: BASE_UNITS.TIME,
|
2115 | prefixes: PREFIXES.NONE,
|
2116 | value: 7 * 86400,
|
2117 | offset: 0
|
2118 | },
|
2119 | month: {
|
2120 | name: 'month',
|
2121 | base: BASE_UNITS.TIME,
|
2122 | prefixes: PREFIXES.NONE,
|
2123 | value: 2629800,
|
2124 | offset: 0
|
2125 | },
|
2126 | year: {
|
2127 | name: 'year',
|
2128 | base: BASE_UNITS.TIME,
|
2129 | prefixes: PREFIXES.NONE,
|
2130 | value: 31557600,
|
2131 | offset: 0
|
2132 | },
|
2133 | decade: {
|
2134 | name: 'decade',
|
2135 | base: BASE_UNITS.TIME,
|
2136 | prefixes: PREFIXES.NONE,
|
2137 | value: 315576000,
|
2138 | offset: 0
|
2139 | },
|
2140 | century: {
|
2141 | name: 'century',
|
2142 | base: BASE_UNITS.TIME,
|
2143 | prefixes: PREFIXES.NONE,
|
2144 | value: 3155760000,
|
2145 | offset: 0
|
2146 | },
|
2147 | millennium: {
|
2148 | name: 'millennium',
|
2149 | base: BASE_UNITS.TIME,
|
2150 | prefixes: PREFIXES.NONE,
|
2151 | value: 31557600000,
|
2152 | offset: 0
|
2153 | },
|
2154 |
|
2155 |
|
2156 | hertz: {
|
2157 | name: 'Hertz',
|
2158 | base: BASE_UNITS.FREQUENCY,
|
2159 | prefixes: PREFIXES.LONG,
|
2160 | value: 1,
|
2161 | offset: 0,
|
2162 | reciprocal: true
|
2163 | },
|
2164 | Hz: {
|
2165 | name: 'Hz',
|
2166 | base: BASE_UNITS.FREQUENCY,
|
2167 | prefixes: PREFIXES.SHORT,
|
2168 | value: 1,
|
2169 | offset: 0,
|
2170 | reciprocal: true
|
2171 | },
|
2172 |
|
2173 |
|
2174 | rad: {
|
2175 | name: 'rad',
|
2176 | base: BASE_UNITS.ANGLE,
|
2177 | prefixes: PREFIXES.SHORT,
|
2178 | value: 1,
|
2179 | offset: 0
|
2180 | },
|
2181 | radian: {
|
2182 | name: 'radian',
|
2183 | base: BASE_UNITS.ANGLE,
|
2184 | prefixes: PREFIXES.LONG,
|
2185 | value: 1,
|
2186 | offset: 0
|
2187 | },
|
2188 |
|
2189 | deg: {
|
2190 | name: 'deg',
|
2191 | base: BASE_UNITS.ANGLE,
|
2192 | prefixes: PREFIXES.SHORT,
|
2193 | value: null,
|
2194 | offset: 0
|
2195 | },
|
2196 | degree: {
|
2197 | name: 'degree',
|
2198 | base: BASE_UNITS.ANGLE,
|
2199 | prefixes: PREFIXES.LONG,
|
2200 | value: null,
|
2201 | offset: 0
|
2202 | },
|
2203 |
|
2204 | grad: {
|
2205 | name: 'grad',
|
2206 | base: BASE_UNITS.ANGLE,
|
2207 | prefixes: PREFIXES.SHORT,
|
2208 | value: null,
|
2209 | offset: 0
|
2210 | },
|
2211 | gradian: {
|
2212 | name: 'gradian',
|
2213 | base: BASE_UNITS.ANGLE,
|
2214 | prefixes: PREFIXES.LONG,
|
2215 | value: null,
|
2216 | offset: 0
|
2217 | },
|
2218 |
|
2219 | cycle: {
|
2220 | name: 'cycle',
|
2221 | base: BASE_UNITS.ANGLE,
|
2222 | prefixes: PREFIXES.NONE,
|
2223 | value: null,
|
2224 | offset: 0
|
2225 | },
|
2226 |
|
2227 | arcsec: {
|
2228 | name: 'arcsec',
|
2229 | base: BASE_UNITS.ANGLE,
|
2230 | prefixes: PREFIXES.NONE,
|
2231 | value: null,
|
2232 | offset: 0
|
2233 | },
|
2234 |
|
2235 | arcmin: {
|
2236 | name: 'arcmin',
|
2237 | base: BASE_UNITS.ANGLE,
|
2238 | prefixes: PREFIXES.NONE,
|
2239 | value: null,
|
2240 | offset: 0
|
2241 | },
|
2242 |
|
2243 |
|
2244 | A: {
|
2245 | name: 'A',
|
2246 | base: BASE_UNITS.CURRENT,
|
2247 | prefixes: PREFIXES.SHORT,
|
2248 | value: 1,
|
2249 | offset: 0
|
2250 | },
|
2251 | ampere: {
|
2252 | name: 'ampere',
|
2253 | base: BASE_UNITS.CURRENT,
|
2254 | prefixes: PREFIXES.LONG,
|
2255 | value: 1,
|
2256 | offset: 0
|
2257 | },
|
2258 |
|
2259 |
|
2260 |
|
2261 |
|
2262 |
|
2263 | K: {
|
2264 | name: 'K',
|
2265 | base: BASE_UNITS.TEMPERATURE,
|
2266 | prefixes: PREFIXES.NONE,
|
2267 | value: 1,
|
2268 | offset: 0
|
2269 | },
|
2270 | degC: {
|
2271 | name: 'degC',
|
2272 | base: BASE_UNITS.TEMPERATURE,
|
2273 | prefixes: PREFIXES.NONE,
|
2274 | value: 1,
|
2275 | offset: 273.15
|
2276 | },
|
2277 | degF: {
|
2278 | name: 'degF',
|
2279 | base: BASE_UNITS.TEMPERATURE,
|
2280 | prefixes: PREFIXES.NONE,
|
2281 | value: 1 / 1.8,
|
2282 | offset: 459.67
|
2283 | },
|
2284 | degR: {
|
2285 | name: 'degR',
|
2286 | base: BASE_UNITS.TEMPERATURE,
|
2287 | prefixes: PREFIXES.NONE,
|
2288 | value: 1 / 1.8,
|
2289 | offset: 0
|
2290 | },
|
2291 | kelvin: {
|
2292 | name: 'kelvin',
|
2293 | base: BASE_UNITS.TEMPERATURE,
|
2294 | prefixes: PREFIXES.NONE,
|
2295 | value: 1,
|
2296 | offset: 0
|
2297 | },
|
2298 | celsius: {
|
2299 | name: 'celsius',
|
2300 | base: BASE_UNITS.TEMPERATURE,
|
2301 | prefixes: PREFIXES.NONE,
|
2302 | value: 1,
|
2303 | offset: 273.15
|
2304 | },
|
2305 | fahrenheit: {
|
2306 | name: 'fahrenheit',
|
2307 | base: BASE_UNITS.TEMPERATURE,
|
2308 | prefixes: PREFIXES.NONE,
|
2309 | value: 1 / 1.8,
|
2310 | offset: 459.67
|
2311 | },
|
2312 | rankine: {
|
2313 | name: 'rankine',
|
2314 | base: BASE_UNITS.TEMPERATURE,
|
2315 | prefixes: PREFIXES.NONE,
|
2316 | value: 1 / 1.8,
|
2317 | offset: 0
|
2318 | },
|
2319 |
|
2320 |
|
2321 | mol: {
|
2322 | name: 'mol',
|
2323 | base: BASE_UNITS.AMOUNT_OF_SUBSTANCE,
|
2324 | prefixes: PREFIXES.SHORT,
|
2325 | value: 1,
|
2326 | offset: 0
|
2327 | },
|
2328 | mole: {
|
2329 | name: 'mole',
|
2330 | base: BASE_UNITS.AMOUNT_OF_SUBSTANCE,
|
2331 | prefixes: PREFIXES.LONG,
|
2332 | value: 1,
|
2333 | offset: 0
|
2334 | },
|
2335 |
|
2336 |
|
2337 | cd: {
|
2338 | name: 'cd',
|
2339 | base: BASE_UNITS.LUMINOUS_INTENSITY,
|
2340 | prefixes: PREFIXES.NONE,
|
2341 | value: 1,
|
2342 | offset: 0
|
2343 | },
|
2344 | candela: {
|
2345 | name: 'candela',
|
2346 | base: BASE_UNITS.LUMINOUS_INTENSITY,
|
2347 | prefixes: PREFIXES.NONE,
|
2348 | value: 1,
|
2349 | offset: 0
|
2350 | },
|
2351 |
|
2352 |
|
2353 |
|
2354 |
|
2355 |
|
2356 | N: {
|
2357 | name: 'N',
|
2358 | base: BASE_UNITS.FORCE,
|
2359 | prefixes: PREFIXES.SHORT,
|
2360 | value: 1,
|
2361 | offset: 0
|
2362 | },
|
2363 | newton: {
|
2364 | name: 'newton',
|
2365 | base: BASE_UNITS.FORCE,
|
2366 | prefixes: PREFIXES.LONG,
|
2367 | value: 1,
|
2368 | offset: 0
|
2369 | },
|
2370 | dyn: {
|
2371 | name: 'dyn',
|
2372 | base: BASE_UNITS.FORCE,
|
2373 | prefixes: PREFIXES.SHORT,
|
2374 | value: 0.00001,
|
2375 | offset: 0
|
2376 | },
|
2377 | dyne: {
|
2378 | name: 'dyne',
|
2379 | base: BASE_UNITS.FORCE,
|
2380 | prefixes: PREFIXES.LONG,
|
2381 | value: 0.00001,
|
2382 | offset: 0
|
2383 | },
|
2384 | lbf: {
|
2385 | name: 'lbf',
|
2386 | base: BASE_UNITS.FORCE,
|
2387 | prefixes: PREFIXES.NONE,
|
2388 | value: 4.4482216152605,
|
2389 | offset: 0
|
2390 | },
|
2391 | poundforce: {
|
2392 | name: 'poundforce',
|
2393 | base: BASE_UNITS.FORCE,
|
2394 | prefixes: PREFIXES.NONE,
|
2395 | value: 4.4482216152605,
|
2396 | offset: 0
|
2397 | },
|
2398 | kip: {
|
2399 | name: 'kip',
|
2400 | base: BASE_UNITS.FORCE,
|
2401 | prefixes: PREFIXES.LONG,
|
2402 | value: 4448.2216,
|
2403 | offset: 0
|
2404 | },
|
2405 |
|
2406 |
|
2407 | J: {
|
2408 | name: 'J',
|
2409 | base: BASE_UNITS.ENERGY,
|
2410 | prefixes: PREFIXES.SHORT,
|
2411 | value: 1,
|
2412 | offset: 0
|
2413 | },
|
2414 | joule: {
|
2415 | name: 'joule',
|
2416 | base: BASE_UNITS.ENERGY,
|
2417 | prefixes: PREFIXES.SHORT,
|
2418 | value: 1,
|
2419 | offset: 0
|
2420 | },
|
2421 | erg: {
|
2422 | name: 'erg',
|
2423 | base: BASE_UNITS.ENERGY,
|
2424 | prefixes: PREFIXES.NONE,
|
2425 | value: 1e-7,
|
2426 | offset: 0
|
2427 | },
|
2428 | Wh: {
|
2429 | name: 'Wh',
|
2430 | base: BASE_UNITS.ENERGY,
|
2431 | prefixes: PREFIXES.SHORT,
|
2432 | value: 3600,
|
2433 | offset: 0
|
2434 | },
|
2435 | BTU: {
|
2436 | name: 'BTU',
|
2437 | base: BASE_UNITS.ENERGY,
|
2438 | prefixes: PREFIXES.BTU,
|
2439 | value: 1055.05585262,
|
2440 | offset: 0
|
2441 | },
|
2442 | eV: {
|
2443 | name: 'eV',
|
2444 | base: BASE_UNITS.ENERGY,
|
2445 | prefixes: PREFIXES.SHORT,
|
2446 | value: 1.602176565e-19,
|
2447 | offset: 0
|
2448 | },
|
2449 | electronvolt: {
|
2450 | name: 'electronvolt',
|
2451 | base: BASE_UNITS.ENERGY,
|
2452 | prefixes: PREFIXES.LONG,
|
2453 | value: 1.602176565e-19,
|
2454 | offset: 0
|
2455 | },
|
2456 |
|
2457 |
|
2458 | W: {
|
2459 | name: 'W',
|
2460 | base: BASE_UNITS.POWER,
|
2461 | prefixes: PREFIXES.SHORT,
|
2462 | value: 1,
|
2463 | offset: 0
|
2464 | },
|
2465 | watt: {
|
2466 | name: 'watt',
|
2467 | base: BASE_UNITS.POWER,
|
2468 | prefixes: PREFIXES.LONG,
|
2469 | value: 1,
|
2470 | offset: 0
|
2471 | },
|
2472 | hp: {
|
2473 | name: 'hp',
|
2474 | base: BASE_UNITS.POWER,
|
2475 | prefixes: PREFIXES.NONE,
|
2476 | value: 745.6998715386,
|
2477 | offset: 0
|
2478 | },
|
2479 |
|
2480 |
|
2481 | VAR: {
|
2482 | name: 'VAR',
|
2483 | base: BASE_UNITS.POWER,
|
2484 | prefixes: PREFIXES.SHORT,
|
2485 | value: Complex.I,
|
2486 | offset: 0
|
2487 | },
|
2488 |
|
2489 | VA: {
|
2490 | name: 'VA',
|
2491 | base: BASE_UNITS.POWER,
|
2492 | prefixes: PREFIXES.SHORT,
|
2493 | value: 1,
|
2494 | offset: 0
|
2495 | },
|
2496 |
|
2497 |
|
2498 | Pa: {
|
2499 | name: 'Pa',
|
2500 | base: BASE_UNITS.PRESSURE,
|
2501 | prefixes: PREFIXES.SHORT,
|
2502 | value: 1,
|
2503 | offset: 0
|
2504 | },
|
2505 | psi: {
|
2506 | name: 'psi',
|
2507 | base: BASE_UNITS.PRESSURE,
|
2508 | prefixes: PREFIXES.NONE,
|
2509 | value: 6894.75729276459,
|
2510 | offset: 0
|
2511 | },
|
2512 | atm: {
|
2513 | name: 'atm',
|
2514 | base: BASE_UNITS.PRESSURE,
|
2515 | prefixes: PREFIXES.NONE,
|
2516 | value: 101325,
|
2517 | offset: 0
|
2518 | },
|
2519 | bar: {
|
2520 | name: 'bar',
|
2521 | base: BASE_UNITS.PRESSURE,
|
2522 | prefixes: PREFIXES.SHORTLONG,
|
2523 | value: 100000,
|
2524 | offset: 0
|
2525 | },
|
2526 | torr: {
|
2527 | name: 'torr',
|
2528 | base: BASE_UNITS.PRESSURE,
|
2529 | prefixes: PREFIXES.NONE,
|
2530 | value: 133.322,
|
2531 | offset: 0
|
2532 | },
|
2533 | mmHg: {
|
2534 | name: 'mmHg',
|
2535 | base: BASE_UNITS.PRESSURE,
|
2536 | prefixes: PREFIXES.NONE,
|
2537 | value: 133.322,
|
2538 | offset: 0
|
2539 | },
|
2540 | mmH2O: {
|
2541 | name: 'mmH2O',
|
2542 | base: BASE_UNITS.PRESSURE,
|
2543 | prefixes: PREFIXES.NONE,
|
2544 | value: 9.80665,
|
2545 | offset: 0
|
2546 | },
|
2547 | cmH2O: {
|
2548 | name: 'cmH2O',
|
2549 | base: BASE_UNITS.PRESSURE,
|
2550 | prefixes: PREFIXES.NONE,
|
2551 | value: 98.0665,
|
2552 | offset: 0
|
2553 | },
|
2554 |
|
2555 |
|
2556 | coulomb: {
|
2557 | name: 'coulomb',
|
2558 | base: BASE_UNITS.ELECTRIC_CHARGE,
|
2559 | prefixes: PREFIXES.LONG,
|
2560 | value: 1,
|
2561 | offset: 0
|
2562 | },
|
2563 | C: {
|
2564 | name: 'C',
|
2565 | base: BASE_UNITS.ELECTRIC_CHARGE,
|
2566 | prefixes: PREFIXES.SHORT,
|
2567 | value: 1,
|
2568 | offset: 0
|
2569 | },
|
2570 |
|
2571 | farad: {
|
2572 | name: 'farad',
|
2573 | base: BASE_UNITS.ELECTRIC_CAPACITANCE,
|
2574 | prefixes: PREFIXES.LONG,
|
2575 | value: 1,
|
2576 | offset: 0
|
2577 | },
|
2578 | F: {
|
2579 | name: 'F',
|
2580 | base: BASE_UNITS.ELECTRIC_CAPACITANCE,
|
2581 | prefixes: PREFIXES.SHORT,
|
2582 | value: 1,
|
2583 | offset: 0
|
2584 | },
|
2585 |
|
2586 | volt: {
|
2587 | name: 'volt',
|
2588 | base: BASE_UNITS.ELECTRIC_POTENTIAL,
|
2589 | prefixes: PREFIXES.LONG,
|
2590 | value: 1,
|
2591 | offset: 0
|
2592 | },
|
2593 | V: {
|
2594 | name: 'V',
|
2595 | base: BASE_UNITS.ELECTRIC_POTENTIAL,
|
2596 | prefixes: PREFIXES.SHORT,
|
2597 | value: 1,
|
2598 | offset: 0
|
2599 | },
|
2600 |
|
2601 | ohm: {
|
2602 | name: 'ohm',
|
2603 | base: BASE_UNITS.ELECTRIC_RESISTANCE,
|
2604 | prefixes: PREFIXES.SHORTLONG,
|
2605 | value: 1,
|
2606 | offset: 0
|
2607 | },
|
2608 | |
2609 |
|
2610 |
|
2611 |
|
2612 |
|
2613 |
|
2614 |
|
2615 |
|
2616 |
|
2617 |
|
2618 |
|
2619 | henry: {
|
2620 | name: 'henry',
|
2621 | base: BASE_UNITS.ELECTRIC_INDUCTANCE,
|
2622 | prefixes: PREFIXES.LONG,
|
2623 | value: 1,
|
2624 | offset: 0
|
2625 | },
|
2626 | H: {
|
2627 | name: 'H',
|
2628 | base: BASE_UNITS.ELECTRIC_INDUCTANCE,
|
2629 | prefixes: PREFIXES.SHORT,
|
2630 | value: 1,
|
2631 | offset: 0
|
2632 | },
|
2633 |
|
2634 | siemens: {
|
2635 | name: 'siemens',
|
2636 | base: BASE_UNITS.ELECTRIC_CONDUCTANCE,
|
2637 | prefixes: PREFIXES.LONG,
|
2638 | value: 1,
|
2639 | offset: 0
|
2640 | },
|
2641 | S: {
|
2642 | name: 'S',
|
2643 | base: BASE_UNITS.ELECTRIC_CONDUCTANCE,
|
2644 | prefixes: PREFIXES.SHORT,
|
2645 | value: 1,
|
2646 | offset: 0
|
2647 | },
|
2648 |
|
2649 | weber: {
|
2650 | name: 'weber',
|
2651 | base: BASE_UNITS.MAGNETIC_FLUX,
|
2652 | prefixes: PREFIXES.LONG,
|
2653 | value: 1,
|
2654 | offset: 0
|
2655 | },
|
2656 | Wb: {
|
2657 | name: 'Wb',
|
2658 | base: BASE_UNITS.MAGNETIC_FLUX,
|
2659 | prefixes: PREFIXES.SHORT,
|
2660 | value: 1,
|
2661 | offset: 0
|
2662 | },
|
2663 |
|
2664 | tesla: {
|
2665 | name: 'tesla',
|
2666 | base: BASE_UNITS.MAGNETIC_FLUX_DENSITY,
|
2667 | prefixes: PREFIXES.LONG,
|
2668 | value: 1,
|
2669 | offset: 0
|
2670 | },
|
2671 | T: {
|
2672 | name: 'T',
|
2673 | base: BASE_UNITS.MAGNETIC_FLUX_DENSITY,
|
2674 | prefixes: PREFIXES.SHORT,
|
2675 | value: 1,
|
2676 | offset: 0
|
2677 | },
|
2678 |
|
2679 |
|
2680 | b: {
|
2681 | name: 'b',
|
2682 | base: BASE_UNITS.BIT,
|
2683 | prefixes: PREFIXES.BINARY_SHORT,
|
2684 | value: 1,
|
2685 | offset: 0
|
2686 | },
|
2687 | bits: {
|
2688 | name: 'bits',
|
2689 | base: BASE_UNITS.BIT,
|
2690 | prefixes: PREFIXES.BINARY_LONG,
|
2691 | value: 1,
|
2692 | offset: 0
|
2693 | },
|
2694 | B: {
|
2695 | name: 'B',
|
2696 | base: BASE_UNITS.BIT,
|
2697 | prefixes: PREFIXES.BINARY_SHORT,
|
2698 | value: 8,
|
2699 | offset: 0
|
2700 | },
|
2701 | bytes: {
|
2702 | name: 'bytes',
|
2703 | base: BASE_UNITS.BIT,
|
2704 | prefixes: PREFIXES.BINARY_LONG,
|
2705 | value: 8,
|
2706 | offset: 0
|
2707 | }
|
2708 | }
|
2709 |
|
2710 |
|
2711 | const ALIASES = {
|
2712 | meters: 'meter',
|
2713 | inches: 'inch',
|
2714 | feet: 'foot',
|
2715 | yards: 'yard',
|
2716 | miles: 'mile',
|
2717 | links: 'link',
|
2718 | rods: 'rod',
|
2719 | chains: 'chain',
|
2720 | angstroms: 'angstrom',
|
2721 |
|
2722 | lt: 'l',
|
2723 | litres: 'litre',
|
2724 | liter: 'litre',
|
2725 | liters: 'litre',
|
2726 | teaspoons: 'teaspoon',
|
2727 | tablespoons: 'tablespoon',
|
2728 | minims: 'minim',
|
2729 | fluiddrams: 'fluiddram',
|
2730 | fluidounces: 'fluidounce',
|
2731 | gills: 'gill',
|
2732 | cups: 'cup',
|
2733 | pints: 'pint',
|
2734 | quarts: 'quart',
|
2735 | gallons: 'gallon',
|
2736 | beerbarrels: 'beerbarrel',
|
2737 | oilbarrels: 'oilbarrel',
|
2738 | hogsheads: 'hogshead',
|
2739 | gtts: 'gtt',
|
2740 |
|
2741 | grams: 'gram',
|
2742 | tons: 'ton',
|
2743 | tonnes: 'tonne',
|
2744 | grains: 'grain',
|
2745 | drams: 'dram',
|
2746 | ounces: 'ounce',
|
2747 | poundmasses: 'poundmass',
|
2748 | hundredweights: 'hundredweight',
|
2749 | sticks: 'stick',
|
2750 | lb: 'lbm',
|
2751 | lbs: 'lbm',
|
2752 |
|
2753 | kips: 'kip',
|
2754 |
|
2755 | acres: 'acre',
|
2756 | hectares: 'hectare',
|
2757 | sqfeet: 'sqft',
|
2758 | sqyard: 'sqyd',
|
2759 | sqmile: 'sqmi',
|
2760 | sqmiles: 'sqmi',
|
2761 |
|
2762 | mmhg: 'mmHg',
|
2763 | mmh2o: 'mmH2O',
|
2764 | cmh2o: 'cmH2O',
|
2765 |
|
2766 | seconds: 'second',
|
2767 | secs: 'second',
|
2768 | minutes: 'minute',
|
2769 | mins: 'minute',
|
2770 | hours: 'hour',
|
2771 | hr: 'hour',
|
2772 | hrs: 'hour',
|
2773 | days: 'day',
|
2774 | weeks: 'week',
|
2775 | months: 'month',
|
2776 | years: 'year',
|
2777 | decades: 'decade',
|
2778 | centuries: 'century',
|
2779 | millennia: 'millennium',
|
2780 |
|
2781 | hertz: 'hertz',
|
2782 |
|
2783 | radians: 'radian',
|
2784 | degrees: 'degree',
|
2785 | gradians: 'gradian',
|
2786 | cycles: 'cycle',
|
2787 | arcsecond: 'arcsec',
|
2788 | arcseconds: 'arcsec',
|
2789 | arcminute: 'arcmin',
|
2790 | arcminutes: 'arcmin',
|
2791 |
|
2792 | BTUs: 'BTU',
|
2793 | watts: 'watt',
|
2794 | joules: 'joule',
|
2795 |
|
2796 | amperes: 'ampere',
|
2797 | coulombs: 'coulomb',
|
2798 | volts: 'volt',
|
2799 | ohms: 'ohm',
|
2800 | farads: 'farad',
|
2801 | webers: 'weber',
|
2802 | teslas: 'tesla',
|
2803 | electronvolts: 'electronvolt',
|
2804 | moles: 'mole'
|
2805 |
|
2806 | }
|
2807 |
|
2808 | |
2809 |
|
2810 |
|
2811 |
|
2812 |
|
2813 | function calculateAngleValues (config) {
|
2814 | if (config.number === 'BigNumber') {
|
2815 | const pi = constants.pi(type.BigNumber)
|
2816 | UNITS.rad.value = new type.BigNumber(1)
|
2817 | UNITS.deg.value = pi.div(180)
|
2818 | UNITS.grad.value = pi.div(200)
|
2819 | UNITS.cycle.value = pi.times(2)
|
2820 | UNITS.arcsec.value = pi.div(648000)
|
2821 | UNITS.arcmin.value = pi.div(10800)
|
2822 | } else {
|
2823 | UNITS.rad.value = 1
|
2824 | UNITS.deg.value = Math.PI / 180
|
2825 | UNITS.grad.value = Math.PI / 200
|
2826 | UNITS.cycle.value = Math.PI * 2
|
2827 | UNITS.arcsec.value = Math.PI / 648000
|
2828 | UNITS.arcmin.value = Math.PI / 10800
|
2829 | }
|
2830 |
|
2831 |
|
2832 | UNITS.radian.value = UNITS.rad.value
|
2833 | UNITS.degree.value = UNITS.deg.value
|
2834 | UNITS.gradian.value = UNITS.grad.value
|
2835 | }
|
2836 |
|
2837 |
|
2838 | calculateAngleValues(config)
|
2839 |
|
2840 |
|
2841 | math.on('config', function (curr, prev) {
|
2842 | if (curr.number !== prev.number) {
|
2843 | calculateAngleValues(curr)
|
2844 | }
|
2845 | })
|
2846 |
|
2847 | |
2848 |
|
2849 |
|
2850 |
|
2851 |
|
2852 | const UNIT_SYSTEMS = {
|
2853 | si: {
|
2854 |
|
2855 | NONE: { unit: UNIT_NONE, prefix: PREFIXES.NONE[''] },
|
2856 | LENGTH: { unit: UNITS.m, prefix: PREFIXES.SHORT[''] },
|
2857 | MASS: { unit: UNITS.g, prefix: PREFIXES.SHORT['k'] },
|
2858 | TIME: { unit: UNITS.s, prefix: PREFIXES.SHORT[''] },
|
2859 | CURRENT: { unit: UNITS.A, prefix: PREFIXES.SHORT[''] },
|
2860 | TEMPERATURE: { unit: UNITS.K, prefix: PREFIXES.SHORT[''] },
|
2861 | LUMINOUS_INTENSITY: { unit: UNITS.cd, prefix: PREFIXES.SHORT[''] },
|
2862 | AMOUNT_OF_SUBSTANCE: { unit: UNITS.mol, prefix: PREFIXES.SHORT[''] },
|
2863 | ANGLE: { unit: UNITS.rad, prefix: PREFIXES.SHORT[''] },
|
2864 | BIT: { unit: UNITS.bit, prefix: PREFIXES.SHORT[''] },
|
2865 |
|
2866 |
|
2867 | FORCE: { unit: UNITS.N, prefix: PREFIXES.SHORT[''] },
|
2868 | ENERGY: { unit: UNITS.J, prefix: PREFIXES.SHORT[''] },
|
2869 | POWER: { unit: UNITS.W, prefix: PREFIXES.SHORT[''] },
|
2870 | PRESSURE: { unit: UNITS.Pa, prefix: PREFIXES.SHORT[''] },
|
2871 | ELECTRIC_CHARGE: { unit: UNITS.C, prefix: PREFIXES.SHORT[''] },
|
2872 | ELECTRIC_CAPACITANCE: { unit: UNITS.F, prefix: PREFIXES.SHORT[''] },
|
2873 | ELECTRIC_POTENTIAL: { unit: UNITS.V, prefix: PREFIXES.SHORT[''] },
|
2874 | ELECTRIC_RESISTANCE: { unit: UNITS.ohm, prefix: PREFIXES.SHORT[''] },
|
2875 | ELECTRIC_INDUCTANCE: { unit: UNITS.H, prefix: PREFIXES.SHORT[''] },
|
2876 | ELECTRIC_CONDUCTANCE: { unit: UNITS.S, prefix: PREFIXES.SHORT[''] },
|
2877 | MAGNETIC_FLUX: { unit: UNITS.Wb, prefix: PREFIXES.SHORT[''] },
|
2878 | MAGNETIC_FLUX_DENSITY: { unit: UNITS.T, prefix: PREFIXES.SHORT[''] },
|
2879 | FREQUENCY: { unit: UNITS.Hz, prefix: PREFIXES.SHORT[''] }
|
2880 | }
|
2881 | }
|
2882 |
|
2883 |
|
2884 | UNIT_SYSTEMS.cgs = JSON.parse(JSON.stringify(UNIT_SYSTEMS.si))
|
2885 | UNIT_SYSTEMS.cgs.LENGTH = { unit: UNITS.m, prefix: PREFIXES.SHORT['c'] }
|
2886 | UNIT_SYSTEMS.cgs.MASS = { unit: UNITS.g, prefix: PREFIXES.SHORT[''] }
|
2887 | UNIT_SYSTEMS.cgs.FORCE = { unit: UNITS.dyn, prefix: PREFIXES.SHORT[''] }
|
2888 | UNIT_SYSTEMS.cgs.ENERGY = { unit: UNITS.erg, prefix: PREFIXES.NONE[''] }
|
2889 |
|
2890 |
|
2891 |
|
2892 | UNIT_SYSTEMS.us = JSON.parse(JSON.stringify(UNIT_SYSTEMS.si))
|
2893 | UNIT_SYSTEMS.us.LENGTH = { unit: UNITS.ft, prefix: PREFIXES.NONE[''] }
|
2894 | UNIT_SYSTEMS.us.MASS = { unit: UNITS.lbm, prefix: PREFIXES.NONE[''] }
|
2895 | UNIT_SYSTEMS.us.TEMPERATURE = { unit: UNITS.degF, prefix: PREFIXES.NONE[''] }
|
2896 | UNIT_SYSTEMS.us.FORCE = { unit: UNITS.lbf, prefix: PREFIXES.NONE[''] }
|
2897 | UNIT_SYSTEMS.us.ENERGY = { unit: UNITS.BTU, prefix: PREFIXES.BTU[''] }
|
2898 | UNIT_SYSTEMS.us.POWER = { unit: UNITS.hp, prefix: PREFIXES.NONE[''] }
|
2899 | UNIT_SYSTEMS.us.PRESSURE = { unit: UNITS.psi, prefix: PREFIXES.NONE[''] }
|
2900 |
|
2901 |
|
2902 |
|
2903 |
|
2904 | UNIT_SYSTEMS.auto = JSON.parse(JSON.stringify(UNIT_SYSTEMS.si))
|
2905 |
|
2906 |
|
2907 | let currentUnitSystem = UNIT_SYSTEMS.auto
|
2908 |
|
2909 | |
2910 |
|
2911 |
|
2912 |
|
2913 | Unit.setUnitSystem = function (name) {
|
2914 | if (UNIT_SYSTEMS.hasOwnProperty(name)) {
|
2915 | currentUnitSystem = UNIT_SYSTEMS[name]
|
2916 | } else {
|
2917 | throw new Error('Unit system ' + name + ' does not exist. Choices are: ' + Object.keys(UNIT_SYSTEMS).join(', '))
|
2918 | }
|
2919 | }
|
2920 |
|
2921 | |
2922 |
|
2923 |
|
2924 |
|
2925 | Unit.getUnitSystem = function () {
|
2926 | for (const key in UNIT_SYSTEMS) {
|
2927 | if (UNIT_SYSTEMS[key] === currentUnitSystem) {
|
2928 | return key
|
2929 | }
|
2930 | }
|
2931 | }
|
2932 |
|
2933 | |
2934 |
|
2935 |
|
2936 |
|
2937 | Unit.typeConverters = {
|
2938 | BigNumber: function (x) {
|
2939 | return new type.BigNumber(x + '')
|
2940 | },
|
2941 |
|
2942 | Fraction: function (x) {
|
2943 | return new type.Fraction(x)
|
2944 | },
|
2945 |
|
2946 | Complex: function (x) {
|
2947 | return x
|
2948 | },
|
2949 |
|
2950 | number: function (x) {
|
2951 | return x
|
2952 | }
|
2953 | }
|
2954 |
|
2955 | |
2956 |
|
2957 |
|
2958 |
|
2959 |
|
2960 |
|
2961 |
|
2962 |
|
2963 | Unit._getNumberConverter = function (type) {
|
2964 | if (!Unit.typeConverters[type]) {
|
2965 | throw new TypeError('Unsupported type "' + type + '"')
|
2966 | }
|
2967 |
|
2968 | return Unit.typeConverters[type]
|
2969 | }
|
2970 |
|
2971 |
|
2972 | for (let key in UNITS) {
|
2973 | const unit = UNITS[key]
|
2974 | unit.dimensions = unit.base.dimensions
|
2975 | }
|
2976 |
|
2977 |
|
2978 | for (const name in ALIASES) {
|
2979 | if (ALIASES.hasOwnProperty(name)) {
|
2980 | const unit = UNITS[ALIASES[name]]
|
2981 | const alias = {}
|
2982 | for (let key in unit) {
|
2983 | if (unit.hasOwnProperty(key)) {
|
2984 | alias[key] = unit[key]
|
2985 | }
|
2986 | }
|
2987 | alias.name = name
|
2988 | UNITS[name] = alias
|
2989 | }
|
2990 | }
|
2991 |
|
2992 | function assertUnitNameIsValid (name) {
|
2993 | for (let i = 0; i < name.length; i++) {
|
2994 | const c = name.charAt(i)
|
2995 |
|
2996 | const isValidAlpha = function (p) {
|
2997 | return /^[a-zA-Z]$/.test(p)
|
2998 | }
|
2999 |
|
3000 | const isDigit = function (c) {
|
3001 | return (c >= '0' && c <= '9')
|
3002 | }
|
3003 |
|
3004 | if (i === 0 && !isValidAlpha(c)) { throw new Error('Invalid unit name (must begin with alpha character): "' + name + '"') }
|
3005 |
|
3006 | if (i > 0 && !(isValidAlpha(c) ||
|
3007 | isDigit(c))) { throw new Error('Invalid unit name (only alphanumeric characters are allowed): "' + name + '"') }
|
3008 | }
|
3009 | }
|
3010 |
|
3011 | |
3012 |
|
3013 |
|
3014 |
|
3015 |
|
3016 |
|
3017 |
|
3018 |
|
3019 |
|
3020 |
|
3021 |
|
3022 |
|
3023 |
|
3024 |
|
3025 |
|
3026 |
|
3027 |
|
3028 |
|
3029 | Unit.createUnit = function (obj, options) {
|
3030 | if (typeof (obj) !== 'object') {
|
3031 | throw new TypeError("createUnit expects first parameter to be of type 'Object'")
|
3032 | }
|
3033 |
|
3034 |
|
3035 | if (options && options.override) {
|
3036 | for (let key in obj) {
|
3037 | if (obj.hasOwnProperty(key)) {
|
3038 | Unit.deleteUnit(key)
|
3039 | }
|
3040 | if (obj[key].aliases) {
|
3041 | for (let i = 0; i < obj[key].aliases.length; i++) {
|
3042 | Unit.deleteUnit(obj[key].aliases[i])
|
3043 | }
|
3044 | }
|
3045 | }
|
3046 | }
|
3047 |
|
3048 |
|
3049 | let lastUnit
|
3050 | for (let key in obj) {
|
3051 | if (obj.hasOwnProperty(key)) {
|
3052 | lastUnit = Unit.createUnitSingle(key, obj[key])
|
3053 | }
|
3054 | }
|
3055 | return lastUnit
|
3056 | }
|
3057 |
|
3058 | |
3059 |
|
3060 |
|
3061 |
|
3062 |
|
3063 |
|
3064 |
|
3065 |
|
3066 |
|
3067 |
|
3068 |
|
3069 |
|
3070 |
|
3071 |
|
3072 |
|
3073 | Unit.createUnitSingle = function (name, obj, options) {
|
3074 | if (typeof (obj) === 'undefined' || obj === null) {
|
3075 | obj = {}
|
3076 | }
|
3077 |
|
3078 | if (typeof (name) !== 'string') {
|
3079 | throw new TypeError("createUnitSingle expects first parameter to be of type 'string'")
|
3080 | }
|
3081 |
|
3082 |
|
3083 | if (UNITS.hasOwnProperty(name)) {
|
3084 | throw new Error('Cannot create unit "' + name + '": a unit with that name already exists')
|
3085 | }
|
3086 |
|
3087 |
|
3088 |
|
3089 | assertUnitNameIsValid(name)
|
3090 |
|
3091 | let defUnit = null
|
3092 | let aliases = []
|
3093 | let offset = 0
|
3094 | let definition
|
3095 | let prefixes
|
3096 | if (obj && obj.type === 'Unit') {
|
3097 | defUnit = obj.clone()
|
3098 | } else if (typeof (obj) === 'string') {
|
3099 | if (obj !== '') {
|
3100 | definition = obj
|
3101 | }
|
3102 | } else if (typeof (obj) === 'object') {
|
3103 | definition = obj.definition
|
3104 | prefixes = obj.prefixes
|
3105 | offset = obj.offset
|
3106 | if (obj.aliases) {
|
3107 | aliases = obj.aliases.valueOf()
|
3108 | }
|
3109 | } else {
|
3110 | throw new TypeError('Cannot create unit "' + name + '" from "' + obj.toString() + '": expecting "string" or "Unit" or "Object"')
|
3111 | }
|
3112 |
|
3113 | if (aliases) {
|
3114 | for (let i = 0; i < aliases.length; i++) {
|
3115 | if (UNITS.hasOwnProperty(aliases[i])) {
|
3116 | throw new Error('Cannot create alias "' + aliases[i] + '": a unit with that name already exists')
|
3117 | }
|
3118 | }
|
3119 | }
|
3120 |
|
3121 | if (definition && typeof (definition) === 'string' && !defUnit) {
|
3122 | try {
|
3123 | defUnit = Unit.parse(definition, { allowNoUnits: true })
|
3124 | } catch (ex) {
|
3125 | ex.message = 'Could not create unit "' + name + '" from "' + definition + '": ' + ex.message
|
3126 | throw (ex)
|
3127 | }
|
3128 | } else if (definition && definition.type === 'Unit') {
|
3129 | defUnit = definition.clone()
|
3130 | }
|
3131 |
|
3132 | aliases = aliases || []
|
3133 | offset = offset || 0
|
3134 | if (prefixes && prefixes.toUpperCase) { prefixes = PREFIXES[prefixes.toUpperCase()] || PREFIXES.NONE } else { prefixes = PREFIXES.NONE }
|
3135 |
|
3136 |
|
3137 |
|
3138 | let newUnit = {}
|
3139 | if (!defUnit) {
|
3140 |
|
3141 | const baseName = name + '_STUFF'
|
3142 | if (BASE_DIMENSIONS.indexOf(baseName) >= 0) {
|
3143 | throw new Error('Cannot create new base unit "' + name + '": a base unit with that name already exists (and cannot be overridden)')
|
3144 | }
|
3145 | BASE_DIMENSIONS.push(baseName)
|
3146 |
|
3147 |
|
3148 | for (const b in BASE_UNITS) {
|
3149 | if (BASE_UNITS.hasOwnProperty(b)) {
|
3150 | BASE_UNITS[b].dimensions[BASE_DIMENSIONS.length - 1] = 0
|
3151 | }
|
3152 | }
|
3153 |
|
3154 |
|
3155 | let newBaseUnit = { dimensions: [] }
|
3156 | for (let i = 0; i < BASE_DIMENSIONS.length; i++) {
|
3157 | newBaseUnit.dimensions[i] = 0
|
3158 | }
|
3159 | newBaseUnit.dimensions[BASE_DIMENSIONS.length - 1] = 1
|
3160 | newBaseUnit.key = baseName
|
3161 | BASE_UNITS[baseName] = newBaseUnit
|
3162 |
|
3163 | newUnit = {
|
3164 | name: name,
|
3165 | value: 1,
|
3166 | dimensions: BASE_UNITS[baseName].dimensions.slice(0),
|
3167 | prefixes: prefixes,
|
3168 | offset: offset,
|
3169 | base: BASE_UNITS[baseName]
|
3170 | }
|
3171 |
|
3172 | currentUnitSystem[baseName] = {
|
3173 | unit: newUnit,
|
3174 | prefix: PREFIXES.NONE['']
|
3175 | }
|
3176 | } else {
|
3177 | newUnit = {
|
3178 | name: name,
|
3179 | value: defUnit.value,
|
3180 | dimensions: defUnit.dimensions.slice(0),
|
3181 | prefixes: prefixes,
|
3182 | offset: offset
|
3183 | }
|
3184 |
|
3185 |
|
3186 | let anyMatch = false
|
3187 | for (let i in BASE_UNITS) {
|
3188 | if (BASE_UNITS.hasOwnProperty(i)) {
|
3189 | let match = true
|
3190 | for (let j = 0; j < BASE_DIMENSIONS.length; j++) {
|
3191 | if (Math.abs((newUnit.dimensions[j] || 0) - (BASE_UNITS[i].dimensions[j] || 0)) > 1e-12) {
|
3192 | match = false
|
3193 | break
|
3194 | }
|
3195 | }
|
3196 | if (match) {
|
3197 | anyMatch = true
|
3198 | newUnit.base = BASE_UNITS[i]
|
3199 | break
|
3200 | }
|
3201 | }
|
3202 | }
|
3203 | if (!anyMatch) {
|
3204 | const baseName = name + '_STUFF'
|
3205 |
|
3206 | let newBaseUnit = { dimensions: defUnit.dimensions.slice(0) }
|
3207 | newBaseUnit.key = baseName
|
3208 | BASE_UNITS[baseName] = newBaseUnit
|
3209 |
|
3210 | currentUnitSystem[baseName] = {
|
3211 | unit: newUnit,
|
3212 | prefix: PREFIXES.NONE['']
|
3213 | }
|
3214 |
|
3215 | newUnit.base = BASE_UNITS[baseName]
|
3216 | }
|
3217 | }
|
3218 |
|
3219 | Unit.UNITS[name] = newUnit
|
3220 |
|
3221 | for (let i = 0; i < aliases.length; i++) {
|
3222 | const aliasName = aliases[i]
|
3223 | const alias = {}
|
3224 | for (const key in newUnit) {
|
3225 | if (newUnit.hasOwnProperty(key)) {
|
3226 | alias[key] = newUnit[key]
|
3227 | }
|
3228 | }
|
3229 | alias.name = aliasName
|
3230 | Unit.UNITS[aliasName] = alias
|
3231 | }
|
3232 |
|
3233 | return new Unit(null, name)
|
3234 | }
|
3235 |
|
3236 | Unit.deleteUnit = function (name) {
|
3237 | delete Unit.UNITS[name]
|
3238 | }
|
3239 |
|
3240 |
|
3241 | Unit.PREFIXES = PREFIXES
|
3242 | Unit.BASE_DIMENSIONS = BASE_DIMENSIONS
|
3243 | Unit.BASE_UNITS = BASE_UNITS
|
3244 | Unit.UNIT_SYSTEMS = UNIT_SYSTEMS
|
3245 | Unit.UNITS = UNITS
|
3246 |
|
3247 | return Unit
|
3248 | }
|
3249 |
|
3250 | exports.name = 'Unit'
|
3251 | exports.path = 'type'
|
3252 | exports.factory = factory
|
3253 | exports.math = true
|