function BigInteger::testBit

Returns true if and only if the designated bit is set.

Computes ((this & (1<<n)) != 0).

Parameters

int $n The bit to test, 0-based.:

Throws

\InvalidArgumentException If the bit to test is negative.

File

vendor/brick/math/src/BigInteger.php, line 850

Class

BigInteger

An arbitrary-size integer.

Namespace

Brick\Math

Code

public function testBit(int $n) : bool {
    if ($n < 0) {
        throw new \InvalidArgumentException('The bit to test cannot be negative.');
    }
    return $this->shiftedRight($n)
        ->isOdd();
}