function ceilf( x ) {
	return addon( x );
}
Rounds a single-precision floating-point number toward positive infinity.

@private
@param {number} x - input value
@returns {number} rounded value

@example
var v = ceilf( -4.2 );
// returns -4.0

@example
var v = ceilf( 9.99999 );
// returns 10.0

@example
var v = ceilf( 0.0 );
// returns 0.0

@example
var v = ceilf( NaN );
// returns NaN