public override (NDArrayOrSymbol[], NDArrayOrSymbol[]) Unroll(int length, NDArrayOrSymbol[] inputs,
NDArrayOrSymbol[] begin_state = null, string layout = "NTC", bool?merge_outputs = null,
Symbol valid_length = null)
{
Reset();
BaseCell._modified = false;
var(outputs, states) = BaseCell.Unroll(length, inputs, begin_state, layout, merge_outputs, valid_length);
BaseCell._modified = true;
if (!merge_outputs.HasValue)
{
merge_outputs = outputs.Length > 1;
}
if (merge_outputs.Value)
{
outputs = outputs.Zip(inputs, (i, j) =>
{
if (i.IsNDArray)
{
return(new NDArrayOrSymbol(nd.ElemwiseAdd(i, j)));
}
return(new NDArrayOrSymbol(sym.ElemwiseAdd(i, j)));
}).ToArray();
}
return(outputs, states);
}