include/EvtGenBase/EvtPdfMax.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
0005 * This file is part of EvtGen.                                         *
0006 *                                                                      *
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0010 * (at your option) any later version.                                  *
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0014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
0015 * GNU General Public License for more details.                         *
0016 *                                                                      *
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0019 ***********************************************************************/
0020
0021 #ifndef EVT_PDF_MAX_HH
0022 #define EVT_PDF_MAX_HH
0023
0024 #include "EvtGenBase/EvtMacros.hh"
0025
0026 #include <cassert>
0027
0028 // Pdf maximum and its location
0029
0030 template <class Point>
0031 class EvtPdfMax {
0032   public:
0033     EvtPdfMax() : _value( -1 ), _valueKnown( false ), _locKnown( false ) {}
0034     EvtPdfMax( double value ) :
0035         _value( value ), _valueKnown( true ), _locKnown( false )
0036     {
0037     }
0038     EvtPdfMax( Point p, double value ) :
0039         _value( value ), _valueKnown( true ), _locKnown( true ), _loc( p )
0040     {
0041     }
0042
0043     bool valueKnown() const { return _valueKnown; }
0044     double value() const
0045     {
0046         assert( _valueKnown );
0047         return _value;
0048     }
0049     bool locKnown() const { return _locKnown; }
0050     Point loc() const
0051     {
0052         assert( _locKnown );
0053         return _loc;
0054     }
0055
0056   private:
0057     double _value;
0058     bool _valueKnown;
0059     bool _locKnown;
0060     Point _loc;
0061 };
0062
0063 #endif