tao-test/app/taoClientDiagnostic/views/js/tools/fixedDecimals.js

32 lines
1.2 KiB
JavaScript

/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2015-2021 (original work) Open Assessment Technologies SA ;
*/
define(function() {
'use strict';
/**
* Rounds a value to a fixed number of decimals
* @param {number} value - The value to round
* @param {number} decimals - The number of decimal
* @returns {number}
*/
return function fixedDecimals(value, decimals) {
const shift = Math.pow(10, Math.abs(decimals || 1));
return Math.round(Number(value) * shift) / shift || 0;
};
});