Method prepareTmpDataColumn

src/backend/worksheet/plots/cartesian/XYFitCurve.cpp:1990–2032

}

void XYFitCurvePrivate::prepareTmpDataColumn(const AbstractColumn** tmpXDataColumn, const AbstractColumn** tmpYDataColumn) const {
	// prepare source data columns
	DEBUG(Q_FUNC_INFO << ", data source: " << ENUM_TO_STRING(XYAnalysisCurve, DataSourceType, dataSourceType))
	switch (dataSourceType) {
	case XYAnalysisCurve::DataSourceType::Spreadsheet:
	case XYAnalysisCurve::DataSourceType::Curve: // Fall through
		XYAnalysisCurvePrivate::prepareTmpDataColumn(tmpXDataColumn, tmpYDataColumn);
		break;
	case XYAnalysisCurve::DataSourceType::Histogram:
		if (!dataSourceHistogram) {
			*tmpXDataColumn = nullptr;
			*tmpYDataColumn = nullptr;
			break;
		}
		switch (fitData.algorithm) {
		case nsl_fit_algorithm_lm:
			*tmpXDataColumn = dataSourceHistogram->bins(); // bins
			switch (dataSourceHistogram->normalization()) { // TODO: not exactly
			case Histogram::Normalization::Count:
			case Histogram::Normalization::CountDensity:
				*tmpYDataColumn = dataSourceHistogram->binValues(); // values
				break;
			case Histogram::Normalization::Probability:
			case Histogram::Normalization::ProbabilityDensity:
				*tmpYDataColumn = dataSourceHistogram->binPDValues(); // normalized values
			}
			break;
		case nsl_fit_algorithm_ml:
			*tmpXDataColumn = dataSourceHistogram->dataColumn(); // data
			*tmpYDataColumn = dataSourceHistogram->binPDValues(); // normalized values
			break;
		}
		// debug
		/*for (int i = 0; i < dataSourceHistogram->bins()->rowCount(); i++)
			DEBUG("BINS @ " << i << ": " << dataSourceHistogram->bins()->valueAt(i))
		for (int i = 0; i < dataSourceHistogram->binValues()->rowCount(); i++)
			DEBUG("BINValues @ " << i << ": " << dataSourceHistogram->binValues()->valueAt(i))
		for (int i = 0; i < dataSourceHistogram->binPDValues()->rowCount(); i++)
			DEBUG("BINPDValues @ " << i << ": " << dataSourceHistogram->binPDValues()->valueAt(i))
		*/
		break;
	}
}

bool XYFitCurvePrivate::recalculateSpecific(const AbstractColumn* tmpXDataColumn, const AbstractColumn* tmpYDataColumn) {
	QElapsedTimer timer;