internal override bool Matches(NArrayStorage <T> other)
{
var managedOther = other as ManagedStorage <double>;
if (managedOther == null)
{
return(false);
}
return(managedOther.Length == Length);
}
internal override void CopySubMatrixTo(NArrayStorage <T> target,
int sourceRowIndex, int targetRowIndex, int rowCount,
int sourceColumnIndex, int targetColumnIndex, int columnCount)
{
var targetManaged = target as ManagedStorage <T>;
for (int j = sourceColumnIndex, jj = targetColumnIndex; j < sourceColumnIndex + columnCount; j++, jj++)
{
System.Array.Copy(_storage, _storageStart + j * _stride + sourceRowIndex, targetManaged._storage,
targetManaged._storageStart + jj * targetManaged._stride + targetRowIndex, rowCount);
}
}
private void CopySubRowTo(NArrayStorage <T> target,
int rowIndex, int sourceColumnIndex, int targetColumnIndex, int columnCount)
{
AssertIsNotReferenceMatrix(this);
var targetManaged = target as ManagedStorage <T>;
AssertIsNotReferenceMatrix(targetManaged);
// optimisation possible where this and target are both vectors
if (this._stride == 1 && targetManaged._stride == 1)
{
System.Array.Copy(_storage, _storageStart + sourceColumnIndex, targetManaged._storage,
targetManaged._storageStart + targetColumnIndex, columnCount);
}
else
{
for (int j = sourceColumnIndex, jj = targetColumnIndex; j < sourceColumnIndex + columnCount; j++, jj++)
{
targetManaged._storage[targetManaged._storageStart + targetColumnIndex * _stride]
= _storage[_storageStart + sourceColumnIndex * _stride + rowIndex];
}
}
}
internal override void CopySubMatrixTo(NArrayStorage <T> target, int sourceRowIndex, int targetRowIndex, int rowCount, int sourceColumnIndex, int targetColumnIndex, int columnCount)
{
throw new NotImplementedException();
}
internal override bool Matches(NArrayStorage <T> other)
{
throw new NotImplementedException();
}
