/**
* @param self|int|string|float $arg
* @throws InvalidArgumentException
* @return int|float
*/
protected function valueToNumber($arg)
{
if ($arg instanceof self) {
return $arg->toInt();
}
return Math::parseNumber($arg);
}
/**
* @return int
*/
public function computePrecision()
{
return Math::floorLog($this->subunitsInUnit, 10);
}
/**
* @return int
*/
public function truncated()
{
return Math::quotient($this->toInt(), $this->currency->subunitsInUnit);
}
