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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
class Sqrt
{
use ArrayEnabled;
/**
* SQRT.
*
* Returns the result of builtin function sqrt after validating args.
*
* @param mixed $number Should be numeric, or can be an array of numbers
*
* @return array|float|string square root
* If an array of numbers is passed as the argument, then the returned result will also be an array
* with the same dimensions
*/
public static function sqrt($number)
{
if (is_array($number)) {
return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $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 array|float $number Number, or can be an array of numbers
*
* @return array|float|string Square Root of Number * Pi, or a string containing an error
* If an array of numbers is passed as the argument, then the returned result will also be an array
* with the same dimensions
*/
public static function pi($number)
{
if (is_array($number)) {
return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $number);
}
try {
$number = Helpers::validateNumericNullSubstitution($number, 0);
Helpers::validateNotNegative($number);
} catch (Exception $e) {
return $e->getMessage();
}
return sqrt($number * M_PI);
}
}
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