/**
* Converts the ratio to a Decimal of the specified scale.
*
* @param int|null $scale
*
* @return Decimal
*/
public function toDecimal($scale = null) : Decimal
{
$antecedent = $this->dividend->toString();
$consequent = $this->divisor->toString();
if (null !== $scale) {
return Decimal::fromString(bcdiv($antecedent, $consequent, $scale));
}
if (null !== $this->decimalValue) {
return $this->decimalValue;
}
// No scale specified, calculate based on the default scale and then get rid of any extraneous zeros.
// Note that usually these zeros would be considered significant, but the caller specifically requested
// that we use the lowest possible precision decimal without losing any information from the ratio by not
// specifying a scale.
$decimal = bcdiv($antecedent, $consequent, self::SCALE);
$decimal = rtrim($decimal, '0');
$decimal = rtrim($decimal, '.');
return $this->decimalValue = Decimal::fromString($decimal);
}
