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src
ConstOverFunction.cc
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// -*- C++ -*-
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// $Id: ConstOverFunction.cc,v 1.3 2003/09/06 14:04:14 boudreau Exp $
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#include "
CLHEP/GenericFunctions/ConstOverFunction.hh
"
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namespace
Genfun
{
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FUNCTION_OBJECT_IMP
(ConstOverFunction)
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ConstOverFunction
::
ConstOverFunction
(
double
constant, const
AbsFunction
*arg):
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_constant(constant),
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_arg(arg->clone())
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{
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}
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ConstOverFunction::ConstOverFunction
(
const
ConstOverFunction
& right) :
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AbsFunction
(right),
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_constant(right._constant),
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_arg(right._arg->clone())
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{}
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unsigned
int
ConstOverFunction::dimensionality
()
const
{
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return
_arg->
dimensionality
();
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}
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ConstOverFunction::~ConstOverFunction
()
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{
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delete
_arg;
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}
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double
ConstOverFunction::operator ()
(
double
x
)
const
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{
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return
_constant / (*_arg)(
x
);
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}
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double
ConstOverFunction::operator ()
(
const
Argument
&
x
)
const
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{
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return
_constant / (*_arg)(
x
);
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}
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Derivative
ConstOverFunction::partial
(
unsigned
int
index)
const
{
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// d/dx (k/f) = -(k/f^2)(df/dx)
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const
AbsFunction
& fPrime = -_constant/(*_arg)/(*_arg)*(_arg->
partial
(index));
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return
Derivative
(& fPrime);
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}
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}
// namespace Genfun
Genfun::Derivative
FunctionNoop Derivative
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:40
Genfun::AbsFunction
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:48
Genfun::ConstOverFunction::~ConstOverFunction
virtual ~ConstOverFunction()
Definition:
ConstOverFunction.cc:24
Genfun::ConstOverFunction::partial
Derivative partial(unsigned int) const
Definition:
ConstOverFunction.cc:43
Genfun::ConstOverFunction::operator()
virtual double operator()(double argument) const
Definition:
ConstOverFunction.cc:31
Genfun::ConstOverFunction::ConstOverFunction
ConstOverFunction(double constant, const AbsFunction *arg)
Definition:
ConstOverFunction.cc:8
Genfun::AbsFunction::dimensionality
virtual unsigned int dimensionality() const
Definition:
AbsFunction.cc:79
Genfun::ConstOverFunction
Definition:
CLHEP/GenericFunctions/ConstOverFunction.hh:20
Genfun::Argument
Definition:
CLHEP/GenericFunctions/Argument.hh:17
Genfun::FunctionNoop
Definition:
CLHEP/GenericFunctions/FunctionNoop.hh:19
Genfun::AbsFunction::partial
virtual Derivative partial(unsigned int) const
Definition:
AbsFunction.cc:40
Genfun::ConstOverFunction::dimensionality
virtual unsigned int dimensionality() const
Definition:
ConstOverFunction.cc:20
x
any side effects of that construction would occur twice The semantics of throw x
Definition:
whyZMthrowRethrows.txt:37
FUNCTION_OBJECT_IMP
#define FUNCTION_OBJECT_IMP(classname)
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:156
Genfun
Definition:
CLHEP/GenericFunctions/Abs.hh:14
ConstOverFunction.hh
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