function Calculator::neg

Negates a number.

6 calls to Calculator::neg()

Calculator::bitwise in vendor/brick/math/src/Internal/Calculator.php: Performs a bitwise operation on a decimal number.
NativeCalculator::add in vendor/brick/math/src/Internal/Calculator/NativeCalculator.php: Adds two numbers.
NativeCalculator::divQR in vendor/brick/math/src/Internal/Calculator/NativeCalculator.php: Returns the quotient and remainder of the division of two numbers.
NativeCalculator::doSub in vendor/brick/math/src/Internal/Calculator/NativeCalculator.php: Performs the subtraction of two non-signed large integers.
NativeCalculator::mul in vendor/brick/math/src/Internal/Calculator/NativeCalculator.php: Multiplies two numbers.

... See full list

File

vendor/brick/math/src/Internal/Calculator.php, line 115

Class

Calculator: Performs basic operations on arbitrary size integers.

Namespace

Brick\Math\Internal

Code

public final function neg(string $n) : string {
    if ($n === '0') {
        return '0';
    }
    if ($n[0] === '-') {
        return \substr($n, 1);
    }
    return '-' . $n;
}