public NdArray(uint[] shape)
{
NDArrayHandle handle;
Util.CallCheck(NativeMethods.MXNDArrayCreate(shape, (uint)shape.Length, DeviceType.KCpu, 0, 0, out handle));
_blobPtr = new NdBlob(handle);
}
public NdArray()
{
NDArrayHandle handle;
Util.CallCheck(NativeMethods.MXNDArrayCreateNone(out handle));
_blobPtr = new NdBlob(handle);
}
public NdArray(Shape shape, Context context, bool delayAlloc)
{
NDArrayHandle handle;
Util.CallCheck(NativeMethods.MXNDArrayCreate(shape.Data().ToArray(), shape.Ndim(), context.DeviceType,
context.DeviceId, delayAlloc ? 1 : 0, out handle));
_blobPtr = new NdBlob(handle);
}
public NdArray(float[] data)
{
NDArrayHandle handle;
Util.CallCheck(NativeMethods.MXNDArrayCreateNone(out handle));
NativeMethods.MXNDArraySyncCopyFromCPU(handle, data, (uint)data.Length);
_blobPtr = new NdBlob(handle);
}
public NdArray(uint[] shape, Context context,
bool delayAlloc)
{
NDArrayHandle handle;
Util.CallCheck(NativeMethods.MXNDArrayCreate(shape, (uint)shape.Length, context.DeviceType,
context.DeviceId, delayAlloc ? 1 : 0, out handle));
_blobPtr = new NdBlob(handle);
}
public NdArray(float[] data, Shape shape,
Context context = null)
{
if (context == null)
{
context = Context.DefaultCtx;
}
NDArrayHandle handle;
Util.CallCheck(NativeMethods.MXNDArrayCreate(shape.Data().ToArray(), shape.Ndim(), context.DeviceType,
context.DeviceId, 0, out handle));
NativeMethods.MXNDArraySyncCopyFromCPU(handle, data, shape.Size());
_blobPtr = new NdBlob(handle);
}
public NdArray(NDArrayHandle handle, bool writable = true)
{
_writable = writable;
_blobPtr = new NdBlob(handle);
}