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