PUserFcn.cpp

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/***************************************************************************
 
  PUserFcn.cpp
 
  Author: Andreas Suter
  e-mail: andreas.suter@psi.ch
 
***************************************************************************/
 
/***************************************************************************
 *   Copyright (C) 2007-2026 by Andreas Suter                              *
 *   andreas.suter@psi.ch                                                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
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 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 ***************************************************************************/
 
#include <cassert>
 
#include "PUserFcn.h"
 
ClassImp(PUserFcn)
 
//------------------------------------------------------
PUserFcn::PUserFcn()
{
}
 
//------------------------------------------------------
PUserFcn::~PUserFcn()
{
}
 
//------------------------------------------------------
Double_t PUserFcn::operator()(Double_t t, const std::vector<Double_t> &param) const
{
  // expected parameters: c0, c1, c2, c3
 
  assert(param.size() == 4);
 
  return param[0] + param[1]*t + param[2]*t*t + param[3]*t*t*t;
}