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00001 // -*- C++ -*- 00002 // $Id: ConstPlusFunction.cc,v 1.3 2003/09/06 14:04:14 boudreau Exp $ 00003 #include "CLHEP/GenericFunctions/ConstPlusFunction.hh" 00004 00005 namespace Genfun { 00006 FUNCTION_OBJECT_IMP(ConstPlusFunction) 00007 00008 ConstPlusFunction::ConstPlusFunction(double constant, const AbsFunction *arg): 00009 _constant(constant), 00010 _arg(arg->clone()) 00011 { 00012 } 00013 00014 ConstPlusFunction::ConstPlusFunction(const ConstPlusFunction & right) : 00015 AbsFunction(right), 00016 _constant(right._constant), 00017 _arg(right._arg->clone()) 00018 {} 00019 00020 unsigned int ConstPlusFunction::dimensionality() const { 00021 return _arg->dimensionality(); 00022 } 00023 00024 ConstPlusFunction::~ConstPlusFunction() 00025 { 00026 delete _arg; 00027 } 00028 00029 00030 00031 double ConstPlusFunction::operator ()(double x) const 00032 { 00033 return _constant + (*_arg)(x); 00034 } 00035 00036 00037 double ConstPlusFunction::operator ()(const Argument & x) const 00038 { 00039 return _constant + (*_arg)(x); 00040 } 00041 00042 00043 Derivative ConstPlusFunction::partial(unsigned int index) const { 00044 return _arg->partial(index); 00045 } 00046 00047 00048 } // namespace Genfun