It looks like the typical mistake where you use compiler X to compile
your code and a version of ROOT compiled with compiler Y.
Rene Brun
On
Wed, 29 Sep 2004, Jose M. Lopez-Garcia wrote:
>
> Dear rooters,
>
> I have the code lines to display the values for momentum:
>
> cout << "p="
> << setw(8) << setprecision(3) << p.mag()
> << " GeV, theta="
> << setw(8) << setprecision(4) << p.theta()
> << " rad, phi="
> << setw(8) << setprecision(4) << p.phi()
> << " rad ="
> << setw(8) << setprecision(4) << p.phi()*180/3.1416
> << " deg, eta="
> << setw(8) << setprecision(4) << p.eta()
> << endl;
>
> So far all goes fine but I would like to fill a histogram with values for
> p, to do this I take:
>
> TH1F* h = new TH1F("h","h",10,0.,100.);
> ModP = p.mag();
> h->Fill(ModP,1.0);
>
> and I get the error which I can't fix:
>
> ExFastMuonInfo_o.o(.text+0x8c5): undefined reference to
> `TH1F::TH1F[in-charge](char const*, char const*, int, double, double)'
>
> I would very appreciate any proposes and suggestions.
> Best regards and thanks in advance,
>
> Jose.
>
> PD: I have included:#include <TH1.h>, #include <TH2.h>, #include <TF1.h>
> libraries.
>
>
>
>
> -----------------------------------------------------------------------
>
>
> José María López García
> Jose.lopez-garcia@cern.ch
> Departamento de Física de la Universidad de Oviedo.
> Facultad de Ciencias, Avda Calvo Sotelo S/N, CP/33011 Oviedo
> Tel:+34 985106252
> Fax:+34 985103324
>
This archive was generated by hypermail 2b29 : Sun Jan 02 2005 - 05:50:09 MET