@oat-sa/tao-item-runner-qti
Version:
TAO QTI Item Runner modules
58 lines (52 loc) • 1.91 kB
JavaScript
define(function () { 'use strict';
/*
* 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) 2015-2019 (original work) Open Assessment Technlogies SA (under the project TAO-PRODUCT);
*
*/
/**
* The mathConstant expression processor.
* @see http://www.imsglobal.org/question/qtiv2p1/imsqti_infov2p1.html#element106461
*
* @author Bertrand Chevrier <bertrand@taotesting.com>
*/
/**
* BaseValue expression
* @type {ExpressionProcesssor}
* @exports taoQtiItem/scoring/processor/expressions/mathConstant
*/
var mathConstantProcessor = {
/**
* Process the expression
* @returns {ProcessingValue} the value from the expression
*/
process: function() {
var value;
if (this.expression.attributes.name === 'e') {
value = Math.E;
}
if (this.expression.attributes.name === 'pi') {
value = Math.PI;
}
return {
cardinality: 'single',
baseType: 'float',
value: value
};
}
};
return mathConstantProcessor;
});