/usr/include/CLHEP/GenericFunctions/CutBase.hh is in libclhep-dev 2.1.4.1-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// $Id: CutBase.hh,v 1.2 2003/09/06 14:04:13 boudreau Exp $
// --------------------CutBase--------------------------------//
// //
// CutBase, by Joe Boudreau //
// //
// //
// CutBase: set of classes for doing boolean operations on //
// cuts. These classes function a little like STL //
// predicates, but they extend functionality by permitting //
// Boolean operations. They are sitting here in Generic //
// Functions package because they are quite similar to the //
// generic functions, except that instead of obeying a //
// Function algebra, these objects obey a Boolean algebra. //
// //
// IF YOU INHERIT YOUR PREDICATE FROM Cut<Type>, you will //
// for free get all the boolean operations on the predicate. //
// Here is an example where the type is an integer: //
// //
// //
// class IsPrime:public Cut<int> { //
// // Implies you will implement operator () (int) const, //
// // And clone() const //
// } //
// //
// class IsInRange:public Cut<int> { //
// // Implies you will implement operator () (int) const, //
// // And clone() const //
// } //
// //
// //
// Then the following example should work, note the use of //
// Boolean operations: //
// //
// const int N=100; //
// int array[N]; //
// for (int i=0;i<N;i++) array[i]=i; //
// std::ostream_iterator<int> dest(std::cout,"\n"); //
// //
// const Cut<int>::Predicate cut = IsPrime() && IsInRange(3,9);
// std::remove_copy_if(array, array+N, dest, !cut); //
// //
// //
// //
// //
// -----------------------------------------------------------//
#ifndef _CutBase_h_
#define _CutBase_h_
#include <functional>
/**
* @author
* @ingroup genfun
*/
template<class Type>
class Cut {
public:
//-----------Boolean operations-----------------------------//
// //
//...For OR'ing the cuts. //
// //
class OR; //
OR operator ||( const Cut<Type> & A ) const; //
// //
//...For AND'ing the cuts. //
// //
class AND; //
AND operator &&( const Cut<Type> & A ) const; //
// //
//...For negating the cuts: //
// //
class NOT; //
NOT operator ! ( void ) const; //
// //
//----------------------------------------------------------//
//-----------Constructors & cetera--------------------------//
Cut(); //
Cut(const Cut & right); //
virtual ~Cut(); //
virtual Cut * clone() const = 0; //
//----------------------------------------------------------//
//-----------Concrete class holding any cut:----------------//
// //
class Predicate; //
// //
//----------------------------------------------------------//
//----------------------------------------------------------//
// Evaluate predicate //
// //
virtual bool operator ()( const Type & t ) const = 0; //
// //
//----------------------------------------------------------//
};
//--------------------------------------------------------------------------
// Common standard Cut classes
//--------------------------------------------------------------------------
template<class Type>
class Cut<Type>::AND : public Cut<Type> {
public:
AND( const AND & right );
AND( const Cut & A, const Cut & B );
virtual ~AND();
virtual AND * clone( void ) const;
virtual bool operator ()( const Type & t ) const;
private:
const AND & operator=( const AND & right );
Cut * _pA;
Cut * _pB;
};
template<class Type>
class Cut<Type>::OR : public Cut<Type>
{
public:
OR( const OR & right );
OR( const Cut & A, const Cut & B );
virtual ~OR();
virtual OR * clone( void ) const;
virtual bool operator ()( const Type & t ) const;
private:
const OR & operator=( const OR & right );
Cut * _pA;
Cut * _pB;
};
template<class Type>
class Cut<Type>::NOT : public Cut<Type>
{
public:
NOT( const NOT & right );
NOT( const Cut & A );
virtual ~NOT();
virtual NOT * clone( void ) const;
virtual bool operator ()( const Type & t ) const;
private:
const NOT & operator=( const NOT & right );
Cut * _pA ;
};
template<class Type>
class Cut<Type>::Predicate : public Cut<Type>
{
public:
Predicate( const Predicate & right );
Predicate( const Cut & A );
virtual ~Predicate();
virtual Predicate * clone( void ) const;
virtual bool operator ()( const Type & t ) const;
private:
const Predicate & operator=( const Predicate & right );
Cut * _pA ;
};
#include "CLHEP/GenericFunctions/CutBase.icc"
#endif
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