function BigRational::zero

Returns a BigRational representing zero.

@psalm-pure

File

vendor/brick/math/src/BigRational.php, line 95

Class

BigRational

An arbitrarily large rational number.

Namespace

Brick\Math

Code

public static function zero() : BigRational {
    
    /**
     * @psalm-suppress ImpureStaticVariable
     * @var BigRational|null $zero
     */
    static $zero;
    if ($zero === null) {
        $zero = new BigRational(BigInteger::zero(), BigInteger::one(), false);
    }
    return $zero;
}