Lines Matching defs:columns

22 Matrix<T>::Matrix(unsigned rows, unsigned columns, unsigned reservedRows,
24     : nRows(rows), nColumns(columns),
169         // Out of bounds columns are zero-initialized. NOLINT because clang-tidy
172         // TODO: this case can be skipped if the number of reserved columns
176         // Shift the data occuring after the inserted columns.
179         // The inserted columns are also zero-initialized.
182         // The columns before the inserted columns stay at the same (row, col)
184         // if the number of reserved columns changed.
257 // moveColumns is implemented by moving the columns adjacent to the source range
259 // of the adjacent columns is [srcPos + num, dstPos + num). When moving left
260 // (i.e. dstPos < srcPos) the range of the adjacent columns is [dstPos, srcPos).
261 // First, zeroed out columns are inserted in the final positions of the adjacent
262 // columns. Then, the adjacent columns are moved to their final positions by
263 // swapping them with the zeroed columns. Finally, the now zeroed adjacent
264 // columns are deleted.
275          "move source range exceeds matrix columns");
277          "move destination range exceeds matrix columns");
283   // Insert new zero columns in the positions where the adjacent columns are to
286   // Update curAdjStart if insertion of new columns invalidates it.
290   // Swap the adjacent columns with inserted zero columns.
294   // Delete the now redundant zero columns.
471   // Invariant: in all rows above row, all columns from echelonCol onwards
490     // above since they are all zero at these columns.
515       // swap the indices sourceCol and targetCol. (not the columns themselves)
524       // guaranteed to be zero at these columns.