1 | 'use strict'
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2 |
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3 | const isInteger = require('../../utils/number').isInteger
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4 | const resize = require('../../utils/array').resize
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5 |
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6 | function factory (type, config, load, typed) {
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7 | const matrix = load(require('../../type/matrix/function/matrix'))
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41 |
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42 | const ones = typed('ones', {
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43 | '': function () {
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44 | return (config.matrix === 'Array')
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45 | ? _ones([])
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46 | : _ones([], 'default')
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47 | },
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48 |
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49 |
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50 |
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51 | '...number | BigNumber | string': function (size) {
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52 | const last = size[size.length - 1]
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53 | if (typeof last === 'string') {
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54 | const format = size.pop()
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55 | return _ones(size, format)
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56 | } else if (config.matrix === 'Array') {
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57 | return _ones(size)
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58 | } else {
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59 | return _ones(size, 'default')
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60 | }
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61 | },
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62 |
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63 | 'Array': _ones,
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64 |
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65 | 'Matrix': function (size) {
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66 | const format = size.storage()
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67 | return _ones(size.valueOf(), format)
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68 | },
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69 |
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70 | 'Array | Matrix, string': function (size, format) {
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71 | return _ones(size.valueOf(), format)
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72 | }
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73 | })
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74 |
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75 | ones.toTex = undefined
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76 |
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77 | return ones
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78 |
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85 |
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86 | function _ones (size, format) {
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87 | const hasBigNumbers = _normalize(size)
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88 | const defaultValue = hasBigNumbers ? new type.BigNumber(1) : 1
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89 | _validate(size)
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90 |
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91 | if (format) {
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92 |
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93 | const m = matrix(format)
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94 | if (size.length > 0) {
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95 | return m.resize(size, defaultValue)
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96 | }
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97 | return m
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98 | } else {
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99 |
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100 | const arr = []
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101 | if (size.length > 0) {
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102 | return resize(arr, size, defaultValue)
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103 | }
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104 | return arr
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105 | }
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106 | }
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107 |
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108 |
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109 | function _normalize (size) {
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110 | let hasBigNumbers = false
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111 | size.forEach(function (value, index, arr) {
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112 | if (type.isBigNumber(value)) {
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113 | hasBigNumbers = true
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114 | arr[index] = value.toNumber()
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115 | }
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116 | })
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117 | return hasBigNumbers
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118 | }
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119 |
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120 |
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121 | function _validate (size) {
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122 | size.forEach(function (value) {
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123 | if (typeof value !== 'number' || !isInteger(value) || value < 0) {
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124 | throw new Error('Parameters in function ones must be positive integers')
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125 | }
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126 | })
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127 | }
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128 | }
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129 |
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130 | exports.name = 'ones'
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131 | exports.factory = factory
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