void AutoMatrix::removeColumn ( const size_t col ) {
const size_t
rows = countRows(),
cols = countColumns();
for ( size_t i = col + 1; i < cols; ++i ) {
const Vector colSource = columnVector( i );
Vector colTarget = columnVector( i - 1 );
colTarget.copy( colSource );
}
upSize( rows, cols - 1 );
}
const Vector<T> TriDiagonalMatrix<T>::getColumn(const int column) const
{
if(column < 0 || column >= numColumns())
{
throw std::invalid_argument("Column number is invalid");
}
Vector<T> columnVector(numColumns());
for(int i = 0; i < columnVector.numTerms(); i++)
{
columnVector[i] = 0;
}
if(column == 0)
{
columnVector[0] = data[1][column];
columnVector[1] = data[0][column];
}
else if(column == numColumns() - 1)
{
columnVector[column - 1] = data[2][column - 1];
columnVector[column] = data[1][column];
}
else
{
columnVector[column - 1] = data[2][column - 1];
columnVector[column] = data[1][column];
columnVector[column + 1] = data[0][column];
}
return columnVector;
}
TableSummary::TableSummary(tableVector const &tables, columnVector const &summaryColumns)
{
Table *sumTable;
Filter filter;
for (tableVector::const_iterator it = tables.begin(); it != tables.end(); it++) {
sumTable = (*it)->createTableCopy();
if (sumTable == NULL) continue;
sumTable->aggregate(columnVector(), summaryColumns, filter, true);
Cursor *cur = sumTable->createCursor();
if (cur->next()) { /* summary table has some lines (is not filtered out) */
for (auto col: summaryColumns) {
Values val;
std::string name = col->getSummaryType() + col->getSelectName();
if (cur->getColumn(name, val, 0)) { /* add value if available */
// std::cout << name << " " << val.toDouble() << std::endl;
if (col->isAvgSummary()) {
this->values[name] += (val.toDouble(0) * (*it)->nRows());
this->occurences[name] += (*it)->nRows();
} else {
this->values[name] += val.toDouble(0);
}
}
}
}
delete cur;
delete sumTable;
}
for (auto colpair: this->occurences) {
// std::cout << colpair.first << ": " << this->values[colpair.first] << "/" << colpair.second << std::endl;
this->values[colpair.first] /= (double) colpair.second;
}
}
Vector AutoMatrix::newColumn () {
const size_t col = countColumns();
upSize( countRows(), col + 1 );
return columnVector( col );
}