dynare/mex/sources/estimation/LogPriorDensity.hh

62 lines
1.8 KiB
C++

/*
* Copyright (C) 2010-2012 Dynare Team
*
* This file is part of Dynare.
*
* Dynare is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Dynare is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Dynare. If not, see <http://www.gnu.org/licenses/>.
*/
///////////////////////////////////////////////////////////
// LogPriorDensity.hh
// Implementation of the Class LogPriorDensity
// Created on: 10-Feb-2010 20:56:08
///////////////////////////////////////////////////////////
#if !defined(LPD_011FD4CF_17CE_4805_882B_046AA07CF443__INCLUDED_)
#define LPD_011FD4CF_17CE_4805_882B_046AA07CF443__INCLUDED_
//#include <boost/random/variate_generator.hpp>
#include "Vector.hh"
#include "EstimatedParametersDescription.hh"
class LogPriorDensity
{
public:
LogPriorDensity(EstimatedParametersDescription &estParsDesc);
virtual ~LogPriorDensity();
template<class VEC>
double compute(VEC &ep)
{
assert(estParsDesc.estParams.size() == ep.getSize());
double logPriorDensity = 0;
for (size_t i = 0; i < ep.getSize(); ++i)
{
logPriorDensity += log(((*(estParsDesc.estParams[i]).prior)).pdf(ep(i)));
if (std::isinf(fabs(logPriorDensity)))
return logPriorDensity;
}
return logPriorDensity;
};
void computeNewParams(Vector &newParams);
private:
const EstimatedParametersDescription &estParsDesc;
};
#endif // !defined(011FD4CF_17CE_4805_882B_046AA07CF443__INCLUDED_)