public static void ArraySet <[AnyPrimitive] TScalar>(
MFullArray <TScalar> array, int index, TScalar value)
{
Contract.Requires(array != null);
if (index < 1)
{
throw new ArgumentOutOfRangeException("index");
}
if (index > array.Count)
{
// Must resize, only works if the array is empty, a scalar or a vector
// - Empty, scalar or row vector: grows in columns
// - Column vector: grows in rows
// - Otherwise: throws
if (array.IsHigherDimensional)
{
throw new ArgumentOutOfRangeException("index");
}
else if (array.RowCount <= 1)
{
array.Resize(new MArrayShape(1, index));
}
else if (array.ColumnCount == 1)
{
array.Resize(new MArrayShape(index, 1));
}
else
{
throw new ArgumentOutOfRangeException("index");
}
}
array[index - 1] = value;
}
public static void ArraySet <[AnyPrimitive] TScalar>(
MFullArray <TScalar> array, int rowIndex, int columnIndex, TScalar value)
{
// Performance critical method!
Contract.Requires(array != null);
if (rowIndex < 1)
{
throw new ArgumentOutOfRangeException("rowIndex");
}
if (columnIndex < 1)
{
throw new ArgumentOutOfRangeException("columnIndex");
}
int rowCount = array.shape.RowCount;
if (rowIndex > array.RowCount || columnIndex > array.ColumnCount)
{
// Array needs resizing
// TODO: zeros(2, 2, 2) (3, 3) = 5 should work and produce a 3x2x2 matrix
if (array.IsHigherDimensional)
{
throw new ArgumentOutOfRangeException();
}
if (rowIndex > rowCount)
{
rowCount = rowIndex;
}
int columnCount = Math.Max(array.shape.ColumnCount, columnIndex);
array.Resize(new MArrayShape(rowCount, columnCount));
}
array.elements[(columnIndex - 1) * rowCount + (rowIndex - 1)] = value;
}
public static void ArraySet <[AnyPrimitive] TScalar>(
MFullArray <TScalar> array, double rowIndex, double columnIndex, TScalar value)
{
// Performance critical method!
Contract.Requires(array != null);
int rowIndexInt = ToInt(rowIndex);
if (rowIndexInt < 1)
{
throw new ArgumentOutOfRangeException("rowIndex");
}
int rowCount = array.shape.RowCount;
int columnIndexInt = ToInt(columnIndex);
if (rowIndexInt > rowCount || columnIndexInt > array.shape.ColumnCount)
{
if (array.shape.IsHigherDimensional)
{
throw new ArgumentOutOfRangeException();
}
if (rowIndexInt > rowCount)
{
rowCount = rowIndexInt;
}
int columnCount = Math.Max(array.shape.ColumnCount, columnIndexInt);
array.Resize(new MArrayShape(rowCount, columnCount));
}
array.elements[(columnIndexInt - 1) * rowCount + (rowIndexInt - 1)] = value;
}
