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/***********************************************/
/**
* @file instrumentCovarianceCheck.cpp
*
* @brief Remove non invertible covriance matrices.
*
* @author Norbert Zehentner
* @date 2016-01-20
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program checks \configFile{inputfileCovariance3d}{instrument}
3x3 covariance matrices if they are invertible or not and removes the invalid epochs.
)";
/***********************************************/
#include "programs/program.h"
#include "files/fileInstrument.h"
/***** CLASS ***********************************/
/** @brief Remove non invertible covariance matrices.
* @ingroup programsGroup */
class InstrumentCovarianceCheck
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(InstrumentCovarianceCheck, PARALLEL, "Remove non invertible covariance matrices", Instrument, Covariance)
/***********************************************/
void InstrumentCovarianceCheck::run(Config &config, Parallel::CommunicatorPtr comm)
{
try
{
FileName fileNameOut, fileNameIn;
readConfig(config, "outputfileCovariance3d", fileNameOut, Config::MUSTSET, "", "");
readConfig(config, "inputfileCovariance3d", fileNameIn, Config::MUSTSET, "", "");
if(isCreateSchema(config)) return;
logStatus<<"read and check covariance <"<<fileNameIn<<">"<<Log::endl;
InstrumentFile file(fileNameIn);
std::vector<Covariance3dArc> arcCov(file.arcCount());
UInt removed = 0;
Parallel::forEach(arcCov, [&](UInt arcNo)
{
Covariance3dArc arc = file.readArc(arcNo);
Covariance3dArc arcNew;
for(UInt i=0; i<arc.size(); i++)
{
try
{
Matrix W = arc.at(i).covariance.matrix();
cholesky(W);
arcNew.push_back(arc.at(i));
}
catch(std::exception &/*e*/)
{
removed++;
}
}
return arcNew;
}, comm);
Parallel::reduceSum(removed, 0, comm);
logInfo<<" "<<removed<<" epochs removed"<<Log::endl;
if(Parallel::isMaster(comm))
{
logStatus<<"write covariance to file <"<<fileNameOut<<"> "<<Log::endl;
InstrumentFile::write(fileNameOut, arcCov);
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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