Example #1
0
        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));
            }
        }
Example #2
0
 /// <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);
 }