ldexp method

MathValue ldexp(int exp)

Implementation

MathValue ldexp( int exp ){ // load exponent
	double x = toFloat();
	double w = (exp >= 0) ? 2.0 : 0.5;
	if( exp < 0 ) exp = -exp;
	while( exp != 0 ){
		if( (exp & 1) != 0 ) x *= w;
		w *= w;
		exp = exp ~/ 2;
	}
	return floatToValue( x );
}