tkspin_parity.h

/********************************************************************************
 *   Copyright (c) : Université de Lyon 1, CNRS/IN2P3, UMR5822,                 *
 *                   IP2I, F-69622 Villeurbanne Cedex, France                   *
 *                   Normandie Université, ENSICAEN, UNICAEN, CNRS/IN2P3,       *
 *                   LPC Caen, F-14000 Caen, France                             *
 *   Contibutor(s) :                                                            *
 *      Jérémie Dudouet jeremie.dudouet@cnrs.fr [2020]                          *
 *      Diego Gruyer    diego.gruyer@cnrs.fr    [2020]                          *
 *                                                                              *
 *   Licensed under the MIT License <http://opensource.org/licenses/MIT>.       *   
 *   SPDX-License-Identifier: MIT                                               *
 ********************************************************************************/
 
#ifndef tkspin_parity_H
#define tkspin_parity_H
 
#include "tkn_config.h"
#include "tkproperty.h"
 
#ifdef HAS_ROOT
#include "TClass.h"
#endif
 
namespace tkn {
 
class tkspin: public tkproperty {
 
protected:
    int fN = 0; // numerator
    int fD = 1; // denominator - should be 1 or 2
 
public:
    tkspin() : tkproperty() {}
    tkspin(int _n, int _d=1);
    virtual ~tkspin() override = default;

    void set(int n, int d = 1);
    void set(double _spin) ;

    double get_value() const {return double(fN) / fD;}
    tkstring get_string() const;

    virtual void set(const tkstring &_st) ;

    virtual void clear(){tkproperty::clear() ; fN = 0;fD = 1;}

    virtual void print() const;
 
#ifdef HAS_ROOT
    ClassDefOverride(tkspin,0);
#endif
};
 
class tkparity: public tkproperty {
public:
    enum eparity { kParityMinus = -1, kParityUnknown = 0 , kParityPlus = 1 } ;
 
protected:
    short fParity = kParityUnknown;
 
public:
    tkparity() = default;
    tkparity(tkparity::eparity p) : fParity(p) {;}
    virtual ~tkparity() override = default;

    virtual bool is_parity(tkparity::eparity _parity) const { return (_parity == fParity); }
    virtual short get_value() const { return fParity; }

    virtual void set(const tkstring &_st);
    virtual void set(tkparity::eparity _parity) { fParity = _parity;}
    virtual void set(int _parity);

    tkstring get_string() const;

    virtual void clear(){tkproperty::clear() ; fParity = kParityUnknown;}

    void print() const;
 
#ifdef HAS_ROOT
    ClassDefOverride(tkparity,0);
#endif
};
 
class tkspin_parity {
protected:
    tkstring fJpi_str{"?"};
 
    tkspin fSpin{};
    tkparity fParity{};
 
public:
    tkspin_parity();
    virtual ~tkspin_parity() = default;

    void set_from_str(const tkstring &_st);

    void set_spin(double _spin);

    void set_parity(int _parity);

    virtual bool is_known() const { return (fSpin.is_known() && fParity.is_known());}

    const tkstring &get_jpi_str() const;

    tkspin get_spin() const {return fSpin;}
    tkparity get_parity() const {return fParity;}

    void print() const;
 
#ifdef HAS_ROOT
    ClassDef(tkspin_parity,0)
#endif
};
 
}
#endif