private void WriteSymmetricMatrix(ISparseSymmetricMatrix matrix, StreamWriter writer)
{
string numberFormat = NumericFormat.GetRealNumberFormat();
writer.Write($"{matrix.NumRows} {matrix.NumColumns} {matrix.CountNonZerosUpper()}");
foreach (var(row, col, val) in matrix.EnumerateNonZerosUpper())
{
writer.WriteLine();
writer.Write($"{row} {col} ");
writer.Write(numberFormat, val);
}
}
/// <summary>
/// Writes the non zero entries of the provided symmetric sparse matrix to the file at <paramref name="path"/>.
/// </summary>
/// <param name="matrix">The symmetric sparse matrix to write.</param>
/// <param name="path">The absolute path of the file, where <paramref name="matrix"/> will be written.</param>
/// <param name="append">If true, <paramref name="matrix"/> will be written after the current contents of the file at
/// <paramref name="path"/>. If false, it will overwrite them.</param>
public void WriteToFile(ISparseSymmetricMatrix matrix, string path, bool append = false)
{
Utilities.WriteToFile((writer) => WriteSymmetricMatrix(matrix, writer), path, append);
}
/// <summary>
/// Writes the non zero entries of the provided symmetric sparse matrix to Console.
/// </summary>
/// <param name="matrix">The symmetric sparse matrix to write.</param>
public void WriteToConsole(ISparseSymmetricMatrix matrix)
{
Utilities.WriteToConsole((writer) => WriteSymmetricMatrix(matrix, writer));
}
