Re: static - no memory

Delete the statement

   gROOT->Reset();

THIS SHOULD NEVER BE CALLED IN A NAMED MACRO !!!!! Rene Brun

Jan Malinowski wrote:
> Dear Rooters,
>
> the function Rnd() (below) good work at many compilers. I have the
> problem with static, and maybe const, in root macro (root ver. 5.18).
> I received the error: "No memory for static..."
>
> It is not much important problem for me. I may to do it at other way.
> But this error give some discomfort at work.
>
> Best regards,
> Jan Malinowski
>
> //===============================================================
> /* Random number generator */
> //===============================================================
>
> double Rnd() {
> const unsigned long a=397204094;
> const unsigned long b=0;
> const unsigned long c=2147483647;
>
> static unsigned long x1;
> static unsigned long x2=1.0;
> double R;
> x1=x2;
> x2=(a*x1 + b) % c;
> R=double(x2)/double(c);
> return R;
> }
> //---------------------------------------------------------------
> int main()
> {
> gROOT->Reset();
> gStyle->SetOptStat(1110);
>
> TCanvas* c1 = new TCanvas("c1","RNG",1,1,800,600);
> TH1D* hist = new TH1D("hist","hrng", 50, 0.0, 1.0);
>
> for(int i=0; i<10; ++i)
> {
> double x=Rnd();
> hist->Fill(x);
> }
>
> hist->SetTitle("Xmax distr.;Xmax;dN/dXmax");
> hist->Draw(); // it mean "HIST";
> c1->Update();
> }
> //===============================================================
>
>
Received on Mon Oct 13 2008 - 11:56:20 CEST