function lcmf( a, b ) {
	return addon( a, b );
}
Computes the least common multiple (lcm) of two single-precision floating-point numbers.

@private
@param {integer} a - integer
@param {integer} b - integer
@returns {number} least common multiple

@example
var v = lcmf( 21.0, 6.0 );
// returns 42.0

@example
var v = lcmf( 3.14, 6.0 );
// returns NaN

@example
var v = lcmf( NaN, 6.0 );
// returns NaN