Math
PHP Manual

hypot

(PHP 4 >= 4.0.7, PHP 5)

hypot — Calculate the length of the hypotenuse of a right-angle triangle

Описание

float hypot ( float $x , float $y )

hypot() returns the length of the hypotenuse of a right-angle triangle with sides of length x and y , or the distance of the point (x , y ) from the origin. This is equivalent to sqrt(x*x + y*y).

Список параметров

x

Length of first side

y

Length of second side

Возвращаемые значения

Calculated length of the hypotenuse


Math
PHP Manual