private static void TestWriteOperation(ISparsityPattern pattern, string referenceFile, SparsityPatternWriter writer)
{
string tempFile = Guid.NewGuid().ToString() + ".txt";
writer.WriteToFile(pattern, tempFile);
bool success = IOUtilities.AreFilesEquivalent(referenceFile, tempFile);
File.Delete(tempFile);
Assert.True(success);
}
private void WriteToStream(ISparsityPattern pattern, StreamWriter writer)
{
for (int i = 0; i < pattern.NumRows; ++i)
{
for (int j = 0; j < pattern.NumColumns; ++j)
{
if (pattern.IsNonZero(i, j))
{
writer.Write("1 ");
}
else
{
writer.Write("0 ");
}
}
writer.WriteLine();
}
}
/// <summary>
/// Writes the sparsity pattern of a matrix to the file at <paramref name="path"/>.
/// </summary>
/// <param name="matrix">The sparsity pattern of the 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(ISparsityPattern matrix, string path, bool append = false)
{
Utilities.WriteToFile((writer) => WriteToStream(matrix, writer), path, append);
}
/// <summary>
/// Writes the sparsity pattern of a matrix to Console.
/// </summary>
/// <param name="matrix">The sparsity pattern of the matrix to write.</param>
public void WriteToConsole(ISparsityPattern matrix)
{
Utilities.WriteToConsole((writer) => WriteToStream(matrix, writer));
}
private static void TestWriteOperation(ISparsityPattern matrix, string referenceFile) => TestWriteOperation(matrix, referenceFile, new SparsityPatternWriter());
