/// \file

/// \ingroup tutorial_math

/// \notebook

/// Example describing how to use the different cumulative distribution functions in ROOT.

/// The macro shows four of them with

/// respect to their two variables. In order to run the macro type:

///

/// ~~~{.cpp}

/// root [0] .x mathcoreCDF.C

/// ~~~

///

/// \macro_image

/// \macro_code

///

/// \author Lorenzo Moneta

#include "TSystem.h"

#include "TF2.h"

#include "TCanvas.h"

void mathcoreCDF(){

TF2 *f1a = new TF2("f1a","ROOT::Math::breitwigner_cdf_c(x, y)",-10,10,0,10);

TF2 *f2a = new TF2("f2a","ROOT::Math::cauchy_cdf(x,y)",0,20, 0,20);

TF2 *f3a = new TF2("f3a","ROOT::Math::normal_cdf(x,y)",-10,10,0,5);

TF2 *f4a = new TF2("f4a","ROOT::Math::exponential_cdf_c(x,y)",0,10,0,5);

TCanvas *c1 = new TCanvas("c1","c1",800,650);

c1->Divide(2,2);

c1->cd(1); f1a->SetLineWidth(1);

f1a->Draw("surf1");

c1->cd(2); f2a->SetLineWidth(1);

f2a->Draw("surf1");

c1->cd(3); f3a->SetLineWidth(1);

f3a->Draw("surf1");

c1->cd(4); f4a->SetLineWidth(1);

f4a->Draw("surf1");

}