Computes the hypotenuse avoiding overflow and underflow.
number
hypotenuse
var h = hypot( -5.0, 12.0 ); // returns 13.0
var h = hypot( NaN, 12.0 ); // returns NaN
var h = hypot( -0.0, -0.0 ); // returns 0.0
Computes the hypotenuse avoiding overflow and underflow.