helpme

public Float:itan(Float:opp,Float:adj) //By Sacky
{
	new Float:x = (opp/adj);
	if(x < 1 && x > -1)
	{
		//The following line contains the error
		new Float:ret = x-(1.0/3.0)*floatpower(x,3)+(1.0/5.0)*floatpower(x,5)-(1.0/7.0)*floatpower(x,7)+(1.0/9.0)*floatpower(x,9)-(1.0/11.0)*floatpower(x,11)+(1.0/13.0)*floatpower(x,13)-(1.0/15.0)*floatpower(x,15)+(1.0/17.0)*floatpower(x,17)-(1.0/19.0)*floatpower(x,19)+(1.0/21.0)floatpower(x,21)-(1.0/23.0)*floatpower(x,23)+(1.0/25.0)*floatpower(x,25);
		return ret;
	}
	return -1.00;
}