mirror of
https://github.com/aportelli/LatAnalyze.git
synced 2024-11-10 08:55:37 +00:00
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/*
|
|
* Chi2Function.hpp, part of LatAnalyze 3
|
|
*
|
|
* Copyright (C) 2013 - 2015 Antonin Portelli
|
|
*
|
|
* LatAnalyze 3 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.
|
|
*
|
|
* LatAnalyze 3 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 LatAnalyze 3. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef Latan_Chi2Function_hpp_
|
|
#define Latan_Chi2Function_hpp_
|
|
|
|
#include <LatAnalyze/Global.hpp>
|
|
#include <LatAnalyze/Function.hpp>
|
|
#include <LatAnalyze/Model.hpp>
|
|
|
|
BEGIN_LATAN_NAMESPACE
|
|
|
|
/******************************************************************************
|
|
* <Class> *
|
|
******************************************************************************/
|
|
// forward declaration of XYStatData
|
|
class XYStatData;
|
|
|
|
class Chi2Function: public DoubleFunctionFactory
|
|
{
|
|
private:
|
|
struct Chi2FunctionBuffer
|
|
{
|
|
DVec v, x;
|
|
DMat invVar;
|
|
bool isInit{false};
|
|
Vec<Index> xInd, dInd;
|
|
};
|
|
public:
|
|
// constructor
|
|
explicit Chi2Function(const XYStatData &data);
|
|
Chi2Function(const XYStatData &data,
|
|
const std::vector<const DoubleModel *> &modelVector);
|
|
// destructor
|
|
virtual ~Chi2Function(void) = default;
|
|
// access
|
|
virtual Index getNArg(void) const;
|
|
Index getNDof(void) const;
|
|
Index getNPar(void) const;
|
|
void setModel(const DoubleModel &model, const Index j = 0);
|
|
void setModel(const std::vector<const DoubleModel *> &modelVector);
|
|
void requestInit(void) const;
|
|
// function call
|
|
double operator()(const double *arg) const;
|
|
// factory
|
|
virtual DoubleFunction makeFunction(const bool makeHardCopy = true) const;
|
|
private:
|
|
// access
|
|
void resizeBuffer(void) const;
|
|
|
|
// compute variance matrix inverse
|
|
void setVarianceBlock(const Index l1, const Index l2,
|
|
ConstBlock<MatBase<double>> m) const;
|
|
void initBuffer(void) const;
|
|
private:
|
|
const XYStatData &data_;
|
|
std::shared_ptr<Chi2FunctionBuffer> buffer_;
|
|
std::vector<const DoubleModel *> model_;
|
|
Index nPar_{-1};
|
|
};
|
|
|
|
END_LATAN_NAMESPACE
|
|
|
|
#endif // Latan_Chi2Function_hpp_
|