Current File : /home/tjamichg/cursos.tjamich.gob.mx/web/assets/chart.js/src/helpers/helpers.math.js
'use strict';
var helpers = require('./helpers.core');
/**
* @alias Chart.helpers.math
* @namespace
*/
var exports = {
/**
* Returns an array of factors sorted from 1 to sqrt(value)
* @private
*/
_factorize: function(value) {
var result = [];
var sqrt = Math.sqrt(value);
var i;
for (i = 1; i < sqrt; i++) {
if (value % i === 0) {
result.push(i);
result.push(value / i);
}
}
if (sqrt === (sqrt | 0)) { // if value is a square number
result.push(sqrt);
}
result.sort(function(a, b) {
return a - b;
}).pop();
return result;
},
log10: Math.log10 || function(x) {
var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10.
// Check for whole powers of 10,
// which due to floating point rounding error should be corrected.
var powerOf10 = Math.round(exponent);
var isPowerOf10 = x === Math.pow(10, powerOf10);
return isPowerOf10 ? powerOf10 : exponent;
}
};
module.exports = exports;
// DEPRECATIONS
/**
* Provided for backward compatibility, use Chart.helpers.math.log10 instead.
* @namespace Chart.helpers.log10
* @deprecated since version 2.9.0
* @todo remove at version 3
* @private
*/
helpers.log10 = exports.log10;
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