CLHEP VERSION Reference Documentation
CLHEP Home Page CLHEP Documentation CLHEP Bug Reports |
00001 // -*- C++ -*- 00002 // $Id: FunctionSum.cc,v 1.3 2003/09/06 14:04:14 boudreau Exp $ 00003 #include "CLHEP/GenericFunctions/FunctionSum.hh" 00004 #include <assert.h> 00005 00006 namespace Genfun { 00007 FUNCTION_OBJECT_IMP(FunctionSum) 00008 00009 FunctionSum::FunctionSum(const AbsFunction *arg1, const AbsFunction *arg2): 00010 _arg1(arg1->clone()), 00011 _arg2(arg2->clone()) 00012 { 00013 if (arg1->dimensionality()!=arg2->dimensionality()) { 00014 std::cout 00015 << "Warning: dimension mismatch in function sum" 00016 << std::endl; 00017 assert(0); 00018 } 00019 } 00020 00021 FunctionSum::FunctionSum(const FunctionSum & right) : 00022 AbsFunction(right), 00023 _arg1(right._arg1->clone()), 00024 _arg2(right._arg2->clone()) 00025 {} 00026 00027 unsigned int FunctionSum::dimensionality() const { 00028 return _arg1->dimensionality(); 00029 } 00030 00031 FunctionSum::~FunctionSum() 00032 { 00033 delete _arg1; 00034 delete _arg2; 00035 } 00036 00037 00038 00039 double FunctionSum::operator ()(double x) const 00040 { 00041 return (*_arg1)(x)+(*_arg2)(x); 00042 } 00043 00044 00045 double FunctionSum::operator ()(const Argument & x) const 00046 { 00047 return (*_arg1)(x)+(*_arg2)(x); 00048 } 00049 00050 00051 00052 Derivative FunctionSum::partial(unsigned int index) const { 00053 const AbsFunction & fPrime = _arg1->partial(index) + _arg2->partial(index); 00054 return Derivative(&fPrime); 00055 } 00056 00057 00058 00059 } // namespace Genfun