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FunctionDifference.cc
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1 // -*- C++ -*-
2 // $Id: FunctionDifference.cc,v 1.3 2003/09/06 14:04:14 boudreau Exp $
4 #include <assert.h>
5 
6 namespace Genfun {
7 FUNCTION_OBJECT_IMP(FunctionDifference)
8 
10  _arg1(arg1->clone()),
11  _arg2(arg2->clone())
12 {
13  if (arg1->dimensionality()!=arg2->dimensionality()) {
14  std::cout
15  << "Warning: dimension mismatch in function difference"
16  << std::endl;
17  assert(0);
18  }
19 }
20 
21 
23  AbsFunction(right),
24  _arg1(right._arg1->clone()),
25  _arg2(right._arg2->clone())
26 {
27 }
28 
29 
30 unsigned int FunctionDifference::dimensionality() const {
31  return _arg1->dimensionality();
32 }
33 
35 {
36  delete _arg1;
37  delete _arg2;
38 }
39 
40 
41 
42 double FunctionDifference::operator ()(double x) const
43 {
44  return (*_arg1)(x)-(*_arg2)(x);
45 }
46 
48 {
49  return (*_arg1)(x)-(*_arg2)(x);
50 }
51 
52 
53 Derivative FunctionDifference::partial(unsigned int index) const {
54  const AbsFunction & fPrime = _arg1->partial(index) - _arg2->partial(index);
55  return Derivative(&fPrime);
56 }
57 
58 
59 
60 } // namespace Genfun
virtual double operator()(double argument) const
FunctionDifference(const AbsFunction *arg1, const AbsFunction *arg2)
virtual unsigned int dimensionality() const
Derivative partial(unsigned int) const
#define FUNCTION_OBJECT_IMP(classname)
virtual Derivative partial(unsigned int) const
Definition: AbsFunction.cc:40
virtual unsigned int dimensionality() const
Definition: AbsFunction.cc:79