/usr/include/CLHEP/GenericFunctions/VoigtProfile.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 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63  | // -*- C++ -*-
// $Id: 
//---------------------VoigtProfile----------------------------------------//
//                                                                          //
//                                                                          //
// Joe Boudreau, June 2011                                                  //
//                                                                          //
//--------------------------------------------------------------------------//
#ifndef VoigtProfile_h
#define VoigtProfile_h 1
#include "CLHEP/GenericFunctions/AbsFunction.hh"
#include "CLHEP/GenericFunctions/Parameter.hh"
#include "CLHEP/GenericFunctions/IncompleteGamma.hh"
namespace Genfun {
  /**
   * @author
   * @ingroup genfun
   */
  class VoigtProfile : public AbsFunction  {
    
    FUNCTION_OBJECT_DEF(VoigtProfile)
      
      public:
    
    // Constructor
    VoigtProfile();
    
    // Copy constructor
    VoigtProfile(const VoigtProfile &right);
    
    // Destructor
    virtual ~VoigtProfile();
    
    // Retreive function value
    virtual double operator ()(double argument) const;
    virtual double operator ()(const Argument & a) const {return operator() (a[0]);}
    
    // Get the paramter alpha
    Parameter & mass(); 
    // Get the parameter beta
    Parameter & width(); 
    // Get the parameter beta
    Parameter & sigma(); 
    
  private:
    
    // It is illegal to assign an adjustable constant
    const VoigtProfile & operator=(const VoigtProfile &right);
    
    // Here are the two parameters alpha and beta:
    Parameter       _mass;
    Parameter       _width;
    Parameter       _sigma;
  };
} // namespace Genfun
#endif
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