/usr/include/CLHEP/Random/RandBit.h is in libclhep-dev 2.1.4.1+dfsg-1.
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// -*- C++ -*-
//
// -----------------------------------------------------------------------
// HEP Random
// --- RandBit ---
// class header file
// -----------------------------------------------------------------------
//
// Class defining methods for shooting Flat or Bit random numbers, double or
// integers.
// It provides methods to fill with double flat values arrays of
// specified size, as well as methods for shooting sequences of 0,1 (bits).
// Default boundaries ]0.1[ for operator()().
// This is derived from RandFlat and is a drop-in replacement. However
// the shootBit() and fireBit() methods are stateless (which makes them
// an order of magnitude slower, but allows save/restore engine status
// to work correctly).
// =======================================================================
// M. Fischler - Created: 15th Feb 2000
// M Fischler - put and get to/from streams 12/10/04
// M Fischler - static save/restore to streams streams 12/20/04
// =======================================================================
#ifndef RandBit_h
#define RandBit_h 1
#include "CLHEP/Random/defs.h"
#include "CLHEP/Random/RandFlat.h"
namespace CLHEP {
/**
* @author
* @ingroup random
*/
class RandBit : public RandFlat {
public:
inline RandBit ( HepRandomEngine& anEngine );
inline RandBit ( HepRandomEngine& anEngine, double width );
inline RandBit ( HepRandomEngine& anEngine, double a, double b );
inline RandBit ( HepRandomEngine* anEngine );
inline RandBit ( HepRandomEngine* anEngine, double width );
inline RandBit ( HepRandomEngine* anEngine, double a, double b );
// These constructors should be used to instantiate a RandBit
// distribution object defining a local engine for it.
// The static generator will be skipped using the non-static methods
// defined below.
// If the engine is passed by pointer the corresponding engine object
// will be deleted by the RandBit destructor.
// If the engine is passed by reference the corresponding engine object
// will not be deleted by the RandBit destructor.
virtual ~RandBit();
// Destructor
// Other than the Bit routines, constructors, and destructor, everything is
// simply inherited from RandFlat.
static inline int shootBit();
static inline int shootBit( HepRandomEngine* );
// Methods using the localEngine to shoot random values, by-passing
// the static generator.
inline int fireBit();
// Save and restore to/from streams
std::ostream & put ( std::ostream & os ) const;
std::istream & get ( std::istream & is );
std::string name() const;
static std::string distributionName() {return "RandBit";}
// Provides the name of this distribution class
static std::ostream& saveFullState ( std::ostream & os )
// Saves to stream the state of the engine and cached data.
{return RandFlat::saveFullState(os);}
static std::istream& restoreFullState ( std::istream & is )
// Restores from stream the state of the engine and cached data.
{return RandFlat::restoreFullState(is);}
static std::ostream& saveDistState ( std::ostream & os )
// Saves to stream the state of the cached data.
{return RandFlat::saveDistState(os);}
static std::istream& restoreDistState ( std::istream & is )
// Restores from stream the state of the cached data.
{return RandFlat::restoreDistState(is);}
private:
// All the engine info, and the default A and B, are in the RandFlat
// base class.
};
} // namespace CLHEP
#ifdef ENABLE_BACKWARDS_COMPATIBILITY
// backwards compatibility will be enabled ONLY in CLHEP 1.9
using namespace CLHEP;
#endif
#include "CLHEP/Random/RandBit.icc"
#endif
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