//TODO: unit-test
/// <summary>
/// Creates a new instance of <see cref="Matrix{T}"/> from <see cref="JuggedMatrix{T}"/>
/// </summary>
/// <typeparam name="T">ANY</typeparam>
/// <param name="juggedMatrix">Initial matrix</param>
/// <returns>A new instance of <see cref="IMatrix{T}"/></returns>
public static Matrix <T> ToMatrix <T>(this JuggedMatrix <T> juggedMatrix)
{
var matrix = new Matrix <T>(juggedMatrix.RowsCount,
juggedMatrix.CountOnEachRow()
.Max());
for (var i = 0; i < juggedMatrix.RowsCount; i++)
{
for (var j = 0; j < matrix.ColumnsCount; j++)
{
if (juggedMatrix.ElementsInRow(i) < matrix.ColumnsCount)
{
matrix[i, j] = juggedMatrix[i, j];
}
else
{
matrix[i, j] = default;
}
}
}
return(matrix);
}
//TODO: unit-test
/// <summary>
/// Converts a vanilla .NET matrix <see langword="T"/>[][] to <see cref="JuggedMatrix{T}"/>
/// </summary>
/// <typeparam name="T">ANY</typeparam>
/// <param name="matrix">Initial matrix to convert</param>
/// <returns><see cref="JuggedMatrix{T}"/>, made on base <paramref name="matrix"/></returns>
public static JuggedMatrix <T> ToJuggedMatrix <T>(this T[][] matrix)
{
if (matrix == null)
{
throw new ArgumentNullException(nameof(matrix));
}
if (matrix.Any(x => x == null))
{
throw new NullReferenceException(nameof(matrix) + " one or more rows are null");
}
var newJuggedMatrix = new JuggedMatrix <T>(matrix.Length, matrix.Select(row => row.Length));
for (var i = 0; i < matrix.Length; i++)
{
for (var j = 0; j < newJuggedMatrix.ElementsInRow(i); j++)
{
newJuggedMatrix[i, j] = matrix[i][j];
}
}
return(newJuggedMatrix);
}
