ConstPlusFunction.cc

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// -*- C++ -*-
// $Id: ConstPlusFunction.cc,v 1.3 2003/09/06 14:04:14 boudreau Exp $
#include "CLHEP/GenericFunctions/ConstPlusFunction.hh"
 
namespace Genfun {
FUNCTION_OBJECT_IMP(ConstPlusFunction)
 
ConstPlusFunction::ConstPlusFunction(double constant, const AbsFunction *arg):
  _constant(constant),
  _arg(arg->clone())
{
}
 
ConstPlusFunction::ConstPlusFunction(const ConstPlusFunction & right) :
AbsFunction(right),
_constant(right._constant),
_arg(right._arg->clone())
{}
 
unsigned int ConstPlusFunction::dimensionality() const {
  return _arg->dimensionality();
}
 
ConstPlusFunction::~ConstPlusFunction()
{
  delete _arg;
}
 
 
 
double ConstPlusFunction::operator ()(double x) const
{
  return _constant + (*_arg)(x);
}
 
 
double ConstPlusFunction::operator ()(const Argument & x) const
{
  return _constant + (*_arg)(x);
}
 
 
Derivative ConstPlusFunction::partial(unsigned int index) const {
  return _arg->partial(index);
}
 
 
} // namespace Genfun