#include "daal.h"
#include "service.h"
using namespace std;
using namespace daal;
using namespace daal::algorithms;
using namespace daal::data_management;
string datasetFileName = "../data/batch/mse.csv";
const size_t nIterations = 1000;
const size_t nFeatures = 3;
const double accuracyThreshold = 0.000001;
float initialPoint[nFeatures + 1] = {0, 0, 0, 0};
int main(int argc, char *argv[])
{
FileDataSource<CSVFeatureManager> dataSource(datasetFileName,
DataSource::notAllocateNumericTable,
DataSource::doDictionaryFromContext);
NumericTablePtr data(new HomogenNumericTable<>(nFeatures, 0, NumericTable::doNotAllocate));
NumericTablePtr dependentVariables(new HomogenNumericTable<>(1, 0, NumericTable::doNotAllocate));
NumericTablePtr mergedData(new MergedNumericTable(data, dependentVariables));
dataSource.loadDataBlock(mergedData.get());
size_t nVectors = data->getNumberOfRows();
services::SharedPtr<optimization_solver::mse::Batch<> > mseObjectiveFunction(new optimization_solver::mse::Batch<>(nVectors));
mseObjectiveFunction->input.set(optimization_solver::mse::data, data);
mseObjectiveFunction->input.set(optimization_solver::mse::dependentVariables, dependentVariables);
optimization_solver::coordinate_descent::interface1::Batch<>* cdAlgorithm = new optimization_solver::coordinate_descent::interface1::Batch<>(mseObjectiveFunction);
cdAlgorithm->input.set(optimization_solver::iterative_solver::inputArgument,
NumericTablePtr(new HomogenNumericTable<>(initialPoint, 1, nFeatures + 1)));
cdAlgorithm->parameter().nIterations = nIterations;
cdAlgorithm->parameter().accuracyThreshold = accuracyThreshold;
cdAlgorithm->parameter().selection = optimization_solver::coordinate_descent::cyclic;
cdAlgorithm->compute();
printNumericTable(cdAlgorithm->getResult()->get(optimization_solver::iterative_solver::minimum), "Minimum:");
printNumericTable(cdAlgorithm->getResult()->get(optimization_solver::iterative_solver::nIterations), "Number of iterations performed:");
return 0;
}