public void FromMultiDimArray(Array dotNetArray)
{
if (dotNetArray.GetType().GetElementType().IsArray)
{
throw new Exception("Jagged arrays are not allowed here!");
}
int[] dims = new int[dotNetArray.Rank];
for (int idx = 0; idx < dims.Length; idx++)
{
dims[idx] = dotNetArray.GetLength(idx);
}
Storage = BackendFactory.GetStorage(dotNetArray.GetType().GetElementType());
Storage.Allocate(new Shape(dims));
Array internalStrg = Storage.GetData();
var pufferShape = new Shape(dims);
pufferShape.ChangeTensorLayout();
int[] idxDims = null;
object valueIdx = null;
for (int idx = 0; idx < Storage.Shape.Size; idx++)
{
idxDims = pufferShape.GetDimIndexOutShape(idx);
valueIdx = dotNetArray.GetValue(pufferShape.GetDimIndexOutShape(idx));
internalStrg.SetValue(valueIdx, Storage.Shape.GetIndexInShape(idxDims));
}
}
/// <summary>
/// Constructor for init data type
/// internal storage is 1D with 1 element
/// </summary>
/// <param name="dtype">Data type of elements</param>
public NDArray(Type dtype)
{
TensorEngine = BackendFactory.GetEngine();
Storage = BackendFactory.GetStorage(dtype);
}