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IS_GtoGGSplitFun.h
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IS_GtoGGSplitFun.h
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// -*- C++ -*-
#ifndef HERWIG_IS_GtoGGSplitFun_H
#define HERWIG_IS_GtoGGSplitFun_H
//
// This is the declaration of the <!id>IS_GtoGGSplitFun<!!id> class.
//
// CLASSDOC SUBSECTION Description:
//
// This (concrete) class provides the exact Next-to-Leading-Order (NLO) <BR>
// Initial State splitting function <I>G-&GT;GG</I>. <BR>
// If you want to use instead the Leading-Order (LO) one, then <BR>
// do *not* define the virtual methods below.
//
// CLASSDOC SUBSECTION See also:
//
// <a href="http:GtoGGSplitFun.html">GtoGGSplitFun.h</a>, <BR>
// <a href="http:FS_GtoGGSplitFun.html">FS_GtoGGSplitFun.h</a>.
//
#include "GtoGGSplitFun.h"
namespace Herwig {
using namespace Pythia7;
class IS_GtoGGSplitFun: public GtoGGSplitFun {
public:
inline IS_GtoGGSplitFun();
inline IS_GtoGGSplitFun(const IS_GtoGGSplitFun &);
virtual ~IS_GtoGGSplitFun();
// Standard ctors and dtor.
// virtual Complex fullFun( const double z, const double phi );
// virtual Complex integratedFun( const double z );
// virtual Complex fullFunWithHelicities( const double z, const double phi,
// const int h0, const int h1, const int h2 );
// virtual Complex integratedFunWithHelicities( const double z,
// const int h0, const int h1, const int h2 );
// These methods should be defined only if you want to
// use the exact Next-to-Leading-Order (NLO) values of the
// Initial State splitting function <I>G-&GT;GG</I>, evaluated in terms of
// some combinations of:
// <!id>z<!!id> variable, <!id>phi<!!id> azimuthal angle, and
// helicities of the three particles.
// Notice that if you are happy with the LO splitting function, then
// you should *not* override the virtual methods defined in the
// base class <!class>GtoGGSplitFun<!!class>.
public:
void persistentOutput(PersistentOStream &) const;
void persistentInput(PersistentIStream &, int);
// Standard functions for writing and reading from persistent streams.
static void Init();
// Standard Init function used to initialize the interfaces.
protected:
inline virtual IBPtr clone() const;
inline virtual IBPtr fullclone() const;
// Standard clone methods.
private:
static ClassDescription<IS_GtoGGSplitFun> initIS_GtoGGSplitFun;
// Describe an abstract base class with persistent data.
IS_GtoGGSplitFun & operator=(const IS_GtoGGSplitFun &);
// Private and non-existent assignment operator.
};
}
// CLASSDOC OFF
namespace Pythia7 {
// The following template specialization informs Pythia7 about the
// base class of IS_GtoGGSplitFun.
template <>
struct BaseClassTrait<Herwig::IS_GtoGGSplitFun,1> {
typedef Herwig::GtoGGSplitFun NthBase;
};
// The following template specialization informs Pythia7 about the
// name of this class and the shared object where it is defined.
template <>
struct ClassTraits<Herwig::IS_GtoGGSplitFun>: public ClassTraitsBase<Herwig::IS_GtoGGSplitFun> {
static string className() { return "/Herwig++/IS_GtoGGSplitFun"; }
// Return the class name.
static string library() { return "libHwShower.so"; }
// Return the name of the shared library to be loaded to get
// access to this class and every other class it uses
// (except the base class).
};
}
#include "IS_GtoGGSplitFun.icc"
#endif /* HERWIG_IS_GtoGGSplitFun_H */

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