/usr/include/root/TRandom1.h is in libroot-math-mathcore-dev 5.34.19+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Rene Brun 04/03/99
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TRandom1
#define ROOT_TRandom1
//////////////////////////////////////////////////////////////////////////
// //
// TRandom1 //
// //
// Ranlux random number generator class (periodicity > 10**14) //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TRandom
#include "TRandom.h"
#endif
class TRandom1 : public TRandom {
protected:
Int_t fNskip;
Int_t fLuxury;
Int_t fIlag;
Int_t fJlag;
Int_t fCount24;
Float_t fFloatSeedTable[24];
Float_t fCarry;
const Int_t fIntModulus;
static Int_t fgNumEngines;
static Int_t fgMaxIndex;
const UInt_t *fTheSeeds;
const Double_t fMantissaBit24;
const Double_t fMantissaBit12;
public:
TRandom1();
TRandom1(UInt_t seed, Int_t lux = 3 );
TRandom1(Int_t rowIndex, Int_t colIndex, Int_t lux );
virtual ~TRandom1();
virtual Int_t GetLuxury() const {return fLuxury;}
// Get the current seed (first element of the table)
virtual UInt_t GetSeed() const { return UInt_t ( fFloatSeedTable[0] / fMantissaBit24 ) ; }
// Gets the current seed.
const UInt_t *GetTheSeeds() const {return fTheSeeds;}
// Gets the current array of seeds.
static void GetTableSeeds(UInt_t* seeds, Int_t index);
// Gets back seed values stored in the table, given the index.
virtual Double_t Rndm(Int_t i=0);
virtual void RndmArray(Int_t size, Float_t *vect);
virtual void RndmArray(Int_t size, Double_t *vect);
virtual void SetSeed2(UInt_t seed, Int_t lux=3);
// Sets the state of the algorithm according to seed.
virtual void SetSeeds(const UInt_t * seeds, Int_t lux=3);
// Sets the state of the algorithm according to the zero terminated
// array of seeds. Only the first seed is used.
virtual void SetSeed(UInt_t seed);
ClassDef(TRandom1,1) //Ranlux Random number generators with periodicity > 10**14
};
R__EXTERN TRandom *gRandom;
#endif
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