/usr/include/CLHEP/Random/RandGaussQ.h is in libclhep-dev 2.1.4.1+dfsg-1.
This file is owned by root:root, with mode 0o644.
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// -*- C++ -*-
//
// -----------------------------------------------------------------------
// HEP Random
// --- RandGaussQ ---
// class header file
// -----------------------------------------------------------------------
// Class defining methods RandGaussQ, which is derived from RandGauss.
// The user interface is identical; but RandGaussQ is faster and a bit less
// accurate.
// =======================================================================
// M. Fischler - Created: 24th Jan 2000
// M Fischler - put and get to/from streams 12/10/04
//
// =======================================================================
#ifndef RandGaussQ_h
#define RandGaussQ_h 1
#include "CLHEP/Random/defs.h"
#include "CLHEP/Random/RandGauss.h"
namespace CLHEP {
/**
* @author
* @ingroup random
*/
class RandGaussQ : public RandGauss {
public:
inline RandGaussQ ( HepRandomEngine& anEngine, double mean=0.0,
double stdDev=1.0 );
inline RandGaussQ ( HepRandomEngine* anEngine, double mean=0.0,
double stdDev=1.0 );
// These constructors should be used to instantiate a RandGaussQ
// 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 RandGaussQ destructor.
// If the engine is passed by reference the corresponding engine object
// will not be deleted by the RandGaussQ destructor.
// Destructor
virtual ~RandGaussQ();
//
// Methods to generate Gaussian-distributed random deviates:
//
// If a fast good engine takes 1 usec, RandGauss::fire() adds 1 usec while
// RandGaussQ::fire() adds only .4 usec.
//
// Static methods to shoot random values using the static generator
static inline double shoot();
static inline double shoot( double mean, double stdDev );
static void shootArray ( const int size, double* vect,
double mean=0.0, double stdDev=1.0 );
// Static methods to shoot random values using a given engine
// by-passing the static generator.
static inline double shoot( HepRandomEngine* anotherEngine );
static inline double shoot( HepRandomEngine* anotherEngine,
double mean, double stdDev );
static void shootArray ( HepRandomEngine* anotherEngine,
const int size,
double* vect, double mean=0.0,
double stdDev=1.0 );
// Instance methods using the localEngine to instead of the static
// generator, and the default mean and stdDev established at construction
inline double fire();
inline double fire ( double mean, double stdDev );
void fireArray ( const int size, double* vect);
void fireArray ( const int size, double* vect,
double mean, double stdDev );
virtual double operator()();
virtual double operator()( double mean, double stdDev );
// Save and restore to/from streams
std::ostream & put ( std::ostream & os ) const;
std::istream & get ( std::istream & is );
std::string name() const;
HepRandomEngine & engine();
static std::string distributionName() {return "RandGaussQ";}
// Provides the name of this distribution class
protected:
static double transformQuick (double r);
static double transformSmall (double r);
private:
// All the engine info, and the default mean and sigma, are in the RandGauss
// 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/RandGaussQ.icc"
#endif
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