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FunctionQuotient.cc
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1// -*- C++ -*-
2// $Id: FunctionQuotient.cc,v 1.3 2003/09/06 14:04:14 boudreau Exp $
4#include <assert.h>
5
6namespace Genfun {
7FUNCTION_OBJECT_IMP(FunctionQuotient)
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 quotient"
16 << std::endl;
17 assert(0);
18 }
19}
20
22AbsFunction(right),
23_arg1(right._arg1->clone()),
24_arg2(right._arg2->clone())
25{}
27{
28 delete _arg1;
29 delete _arg2;
30}
31
33 return _arg1->dimensionality();
34}
35
36
37double FunctionQuotient::operator ()(double x) const
38{
39 return (*_arg1)(x)/(*_arg2)(x);
40}
41
43{
44 return (*_arg1)(x)/(*_arg2)(x);
45}
46
47
48Derivative FunctionQuotient::partial(unsigned int index) const {
49 const AbsFunction & fPrime =
50 ((_arg1->partial(index))*(*_arg2)-(*_arg1)*(_arg2->partial(index))) /
51 (*_arg2)/ (*_arg2);
52 return Derivative(&fPrime);
53}
54
55} // namespace Genfun
#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 unsigned int dimensionality() const
FunctionQuotient(const AbsFunction *arg1, const AbsFunction *arg2)
Derivative partial(unsigned int) const
virtual double operator()(double argument) const