Sqrt.php

Go to the documentation of this file.

<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;

use PhpOffice\PhpSpreadsheet\Calculation\Exception;

class Sqrt
{
    public static function sqrt($number)
    {
        try {
            $number = Helpers::validateNumericNullBool($number);
        } catch (Exception $e) {
            return $e->getMessage();
        }

        return Helpers::numberOrNan(sqrt($number));
    }

    public static function pi($number)
    {
        try {
            $number = Helpers::validateNumericNullSubstitution($number, 0);
            Helpers::validateNotNegative($number);
        } catch (Exception $e) {
            return $e->getMessage();
        }

        return sqrt($number * M_PI);
    }
}