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src
LikelihoodFunctional.cc
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// -*- C++ -*-
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// $Id: LikelihoodFunctional.cc,v 1.4 2003/10/10 17:40:39 garren Exp $
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#include "
CLHEP/GenericFunctions/LikelihoodFunctional.hh
"
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#include "
CLHEP/GenericFunctions/Argument.hh
"
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#include "
CLHEP/GenericFunctions/AbsFunction.hh
"
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#include <iostream>
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#include <sstream>
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#include <stdexcept>
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#include <cmath>
// for log()
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namespace
Genfun {
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LikelihoodFunctional::LikelihoodFunctional
(
const
ArgumentList
& aList):
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_aList(aList)
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{}
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LikelihoodFunctional::~LikelihoodFunctional
() {
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}
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double
LikelihoodFunctional::operator []
(
const
AbsFunction
&
function
)
const
{
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double
logLikelihood(0);
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for
(
unsigned
int
i=0; i<_aList.size();i++) {
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Argument
a
= _aList[i];
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double
f
=
function
(
a
);
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if
(f<=0.0) {
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std::ostringstream stream;
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stream <<
"Negative likelihood arg["
<< i <<
"]="
<<
a
;
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throw
std::runtime_error(stream.str());
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}
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logLikelihood -= log(f);
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}
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return
2.0*logLikelihood;
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}
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}
// namespace Genfun
Genfun::AbsFunction
Definition:
CLHEP/GenericFunctions/AbsFunction.hh:48
Argument.hh
Genfun::LikelihoodFunctional::LikelihoodFunctional
LikelihoodFunctional(const ArgumentList &aList)
Definition:
LikelihoodFunctional.cc:12
LikelihoodFunctional.hh
a
Definition:
testCategories.cc:125
AbsFunction.hh
Genfun::Argument
Definition:
CLHEP/GenericFunctions/Argument.hh:17
f
void f(void g())
Definition:
excDblThrow.cc:38
Genfun::LikelihoodFunctional::operator[]
virtual double operator[](const AbsFunction &function) const
Definition:
LikelihoodFunctional.cc:19
Genfun::ArgumentList
std::vector< Argument > ArgumentList
Definition:
CLHEP/GenericFunctions/ArgumentList.hh:7
Genfun::LikelihoodFunctional::~LikelihoodFunctional
~LikelihoodFunctional()
Definition:
LikelihoodFunctional.cc:16
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