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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
class Sqrt
{
/**
* SQRT.
*
* Returns the result of builtin function sqrt after validating args.
*
* @param mixed $number Should be numeric
*
* @return float|string square roor
*/
public static function sqrt($number)
{
try {
$number = Helpers::validateNumericNullBool($number);
} catch (Exception $e) {
return $e->getMessage();
}
return Helpers::numberOrNan(sqrt($number));
}
/**
* SQRTPI.
*
* Returns the square root of (number * pi).
*
* @param float $number Number
*
* @return float|string Square Root of Number * Pi, or a string containing an error
*/
public static function pi($number)
{
try {
$number = Helpers::validateNumericNullSubstitution($number, 0);
Helpers::validateNotNegative($number);
} catch (Exception $e) {
return $e->getMessage();
}
return sqrt($number * M_PI);
}
}