static public Matrix <TRowKey, TColKey, TValue2> MergeRowsAndColsView <TRowKey, TColKey, TValue2>(Matrix <TRowKey, TColKey, TValue2>[,] matrixPieces2D)
{
var mergeMatrixList = new List <Matrix <TRowKey, TColKey, TValue2> >();
for (int rowIndex = 0; rowIndex < matrixPieces2D.GetLength(0); ++rowIndex)
{
var row = Enumerable.Range(0, matrixPieces2D.GetLength(1)).Select(colIndex => matrixPieces2D[rowIndex, colIndex]).ToArray();
if (row.Length == 1)
{
mergeMatrixList.Add(row[0]);
}
else
{
mergeMatrixList.Add(new MergeColsView <TRowKey, TColKey, TValue2>(/*mustMatch*/ true, row));
}
}
if (mergeMatrixList.Count == 1)
{
return(mergeMatrixList[0]);
}
var output = new MergeRowsView <TRowKey, TColKey, TValue2>(/*mustMatch*/ true, mergeMatrixList.ToArray());
return(output);
}
/// <summary>
/// Loads a single mergeView matrix from the list of files.
/// </summary>
/// <typeparam name="TRowKey"></typeparam>
/// <typeparam name="TColKey"></typeparam>
/// <typeparam name="TVal"></typeparam>
/// <param name="files"></param>
/// <param name="missingVal"></param>
/// <param name="colsMustMatch"></param>
/// <returns></returns>
public static Matrix <TRowKey, TColKey, TVal> LoadAsSingleMatrix <TRowKey, TColKey, TVal>(this IEnumerable <FileInfo> files, TVal missingVal, bool colsMustMatch = false)
{
MatrixFactory <TRowKey, TColKey, TVal> mf = MatrixFactory <TRowKey, TColKey, TVal> .GetInstance();
//var matrices = files.Select(dataFile => mf.Parse(dataFile.FullName, missingVal, ParallelOptionsScope.Current)).ToArray();
var matrices = (from f in files
let name = f.Name == "-" ? MBT.Escience.FileUtils.WriteStdInToTempFile() : f.FullName
select mf.Parse(name, missingVal, ParallelOptionsScope.Current)).ToArray();
var result = new MergeRowsView <TRowKey, TColKey, TVal>(colsMustMatch, matrices);
return(result);
}
