/usr/include/CLHEP/GenericFunctions/LogGamma.hh is in libclhep-dev 2.1.4.1+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | // -*- C++ -*-
// $Id: LogGamma.hh,v 1.3 2010/06/16 18:22:01 garren Exp $
//---------------------Logarithm of Gamma Function--------------------------//
// //
// Class LogGamma //
// Joe Boudreau October 2K //
// //
//--------------------------------------------------------------------------//
#ifndef LogGamma_h
#define LogGamma_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
#include "CLHEP/GenericFunctions/Parameter.hh"
namespace Genfun {
/**
* @author
* @ingroup genfun
*/
class LogGamma : public AbsFunction {
FUNCTION_OBJECT_DEF(LogGamma)
public:
// Constructor
LogGamma();
// Copy constructor
LogGamma(const LogGamma &right);
// Destructor
virtual ~LogGamma();
// Retreive function value
virtual double operator ()(double argument) const;
virtual double operator ()(const Argument & a) const {return operator() (a[0]);}
private:
// It is illegal to assign an adjustable constant
const LogGamma & operator=(const LogGamma &right);
// Constants used in evaluating the function call:
static const double _coefficient[6];
};
} // namespace Genfun
#endif
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