1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
20 ///////////////////////////////////////////////////////////////////////////////
23 ///////////////////////////////////////////////////////////////////////////////
34 //_____________________________________________________________________________
35 void AliRndm::Rndm(Float_t* array, const Int_t size) const
38 // Return an array of n random numbers uniformly distributed
39 // between 0 and 1 not included
41 for(Int_t i=0; i<size; i++)
43 array[i]=fRandom->Rndm();
45 do array[i]=fRandom->Rndm(); while(0>=array[i] || array[i]>=1);
49 //_____________________________________________________________________________
50 void AliRndm::SetRandom(TRandom *ran)
53 else fRandom=sRandom=gRandom;
56 //_____________________________________________________________________________
57 void AliRndm::ReadRandom(const char *filename)
59 char *fntmp = gSystem->ExpandPathName(filename);
60 TFile *file = new TFile(fntmp,"r");
63 printf("AliRndm:: Could not open file %s\n",filename);
65 if(!fRandom) fRandom = new TRandom();
66 fRandom->Read("Random");
72 //_____________________________________________________________________________
73 void AliRndm::WriteRandom(const char *filename) const
75 char *fntmp = gSystem->ExpandPathName(filename);
76 TFile *file = new TFile(fntmp,"new");
79 printf("AliRndm:: Could not open file %s\n",filename);