/**
* Set the rounding mode.
*
* @param integer $roundingMode A value from the RoundingMode enumeration.
* @throws InvalidArgumentException If $roundingMode is not a value from the RoundingMode enumeration.
*/
public function setRoundingMode($roundingMode)
{
if (in_array($roundingMode, RoundingMode::asArray())) {
$this->roundingMode = $roundingMode;
} else {
$msg = "The roundingMode argument must be a value from the RoundingMode enumeration, '" . $roundingMode . "' given.";
throw new InvalidArgumentException($msg);
}
}
/**
* Unmarshall a QTI roundTo operator element into a RoundTo object.
*
* @param DOMElement The roundTo element to unmarshall.
* @param QtiComponentCollection A collection containing the child Expression objects composing the Operator.
* @return QtiComponent A RoundTo object.
* @throws UnmarshallingException
*/
protected function unmarshallChildrenKnown(DOMElement $element, QtiComponentCollection $children)
{
if (($figures = static::getDOMElementAttributeAs($element, 'figures', 'string')) !== null) {
if (!Format::isVariableRef($figures)) {
$figures = intval($figures);
}
$object = new RoundTo($children, $figures);
if (($roundingMode = static::getDOMElementAttributeAs($element, 'roundingMode')) !== null) {
$object->setRoundingMode(RoundingMode::getConstantByName($roundingMode));
}
return $object;
} else {
$msg = "The mandatory attribute 'figures' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
}
public function createFakeExpression($roundingMode, $figures)
{
$roundingMode = RoundingMode::getNameByConstant($roundingMode);
return $this->createComponentFromXml('
<equalRounded roundingMode="' . $roundingMode . '" figures="' . $figures . '">
<baseValue baseType="float">102.155</baseValue>
<baseValue baseType="float">1065.155</baseValue>
</equalRounded>
');
}
