/**
 * a = Attached player rating
 * b = killed / killer rating
 * k = coeficient
 * r = rating
 *
 * return: r = rating.
 */
BUILDIN(calc_rank)
{
	struct map_session_data *sd = script->rid2sd(st);
	int a, b, k, r;
	
	if (sd == NULL)
		return true;
	
	a = script_getnum(st, 2);
	b = script_getnum(st, 3);
	
	if( a > b )
	{
		k = ( a / ( b == 0? 2:b ) );
		r = 1 + ( k > 0? k:1 );
	}
	else if( a < b )
	{
		k = ( b / ( a == 0? 2:a ) );
		r = 2 + ( k > 0? k:2 );		
	}
	else r = 2;
	
	script_pushint( st, r );
	return true;
}


BUILDIN_DEF(calc_rank,"ii"),