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FunctionSum.cc
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1 // -*- C++ -*-
2 // $Id: FunctionSum.cc,v 1.3 2003/09/06 14:04:14 boudreau Exp $
4 #include <assert.h>
5 
6 namespace Genfun {
7 FUNCTION_OBJECT_IMP(FunctionSum)
8 
9 FunctionSum::FunctionSum(const AbsFunction *arg1, const AbsFunction *arg2):
10  _arg1(arg1->clone()),
11  _arg2(arg2->clone())
12 {
13  if (arg1->dimensionality()!=arg2->dimensionality()) {
14  std::cout
15  << "Warning: dimension mismatch in function sum"
16  << std::endl;
17  assert(0);
18  }
19 }
20 
22 AbsFunction(right),
23 _arg1(right._arg1->clone()),
24 _arg2(right._arg2->clone())
25 {}
26 
27 unsigned int FunctionSum::dimensionality() const {
28  return _arg1->dimensionality();
29 }
30 
32 {
33  delete _arg1;
34  delete _arg2;
35 }
36 
37 
38 
39 double FunctionSum::operator ()(double x) const
40 {
41  return (*_arg1)(x)+(*_arg2)(x);
42 }
43 
44 
45 double FunctionSum::operator ()(const Argument & x) const
46 {
47  return (*_arg1)(x)+(*_arg2)(x);
48 }
49 
50 
51 
52 Derivative FunctionSum::partial(unsigned int index) const {
53  const AbsFunction & fPrime = _arg1->partial(index) + _arg2->partial(index);
54  return Derivative(&fPrime);
55 }
56 
57 
58 
59 } // namespace Genfun
Derivative partial(unsigned int) const
Definition: FunctionSum.cc:52
virtual ~FunctionSum()
Definition: FunctionSum.cc:31
virtual unsigned int dimensionality() const
Definition: FunctionSum.cc:27
#define FUNCTION_OBJECT_IMP(classname)
virtual Derivative partial(unsigned int) const
Definition: AbsFunction.cc:40
virtual unsigned int dimensionality() const
Definition: AbsFunction.cc:79
virtual double operator()(double argument) const
Definition: FunctionSum.cc:39
FunctionSum(const AbsFunction *arg1, const AbsFunction *arg2)
Definition: FunctionSum.cc:9