/**
* Computes the product of a list of numbers
* @return string
*/
public function product()
{
Number::setScale(static::NUMERIC_FUNCTIONS_SCALE);
$total = \strval($this->front());
for ($i = 1, $l = $this->count(); $i < $l; ++$i) {
$total = Number::multiply($total, \strval($this->_Arr[$i]));
}
return $total;
}
public function testMultiply()
{
$l = '894659845843958';
$r = '4756936453645';
$exp = '4255840034307539960570326910';
$this->assertEquals($exp, Number::multiply($l, $r));
}