void CB_cdf(){
	auto cdf_test = new TF1("cdf_test", "ROOT::Math::crystalball_cdf(x, 2, 2, 2, 1)", -5, 5);
	std::cout << cdf_test->GetParameter(0) << std::endl; //get message I should be using the names instead
	//cdf_test->SetParameter(0, 100); <--- I want to do this for every parameter
	std::cout << cdf_test->GetParameter("Alpha")<<std::endl; //no such parameter
	cdf_test->Print(); 	//says Formula based function:     cdf_test 
       					//cdf_test : ROOT::Math::crystalball_cdf(x, 2, 2, 2, 1) Ndim= 1, Npar= 0, Number= 0 
 						//Formula expression: 
						//ROOT::Math::crystalball_cdf(x,2,2,2,1) 

}