public void MergeColumns(params int[] colIndices)
{
int rows = matrix.Rows;
int cols = colIndices.Length;
int srcCol = colIndices[0];
foreach (var i in matrix.GetNonZeroRows(srcCol).ToArray())
{
for (int j = 1; j < cols; j++)
{
int col = colIndices[j];
var old = matrix[i, col];
matrix[i, col] = !old;
}
matrix[i, srcCol] = false;
}
}
public static void CopyNonZero(IBitMatrix matrix, IBitMatrix other)
{
if (other.IsRowMajor)
{
for (int i = 0; i < other.Rows; i++)
{
foreach (var j in other.GetNonZeroCols(i))
matrix[i, j] = true;
}
}
else
{
for (int j = 0; j < other.Cols; j++)
{
foreach (var i in other.GetNonZeroRows(j))
matrix[i, j] = true;
}
}
}
public static void CopyNonZero(IBitMatrix matrix, IBitMatrix other)
{
if (other.IsRowMajor)
{
for (int i = 0; i < other.Rows; i++)
{
foreach (var j in other.GetNonZeroCols(i))
{
matrix[i, j] = true;
}
}
}
else
{
for (int j = 0; j < other.Cols; j++)
{
foreach (var i in other.GetNonZeroRows(j))
{
matrix[i, j] = true;
}
}
}
}