public virtual SymbolList BeginState(string func = "sym.Zeros", FuncArgs kwargs = null)
{
if (_modified)
{
throw new Exception("After applying modifier cells (e.g. DropoutCell) the base " +
"cell cannot be called directly. Call the modifier cell instead.");
}
SymbolList states = new SymbolList();
for (int i = 0; i < StateInfo.Length; i++)
{
var info = StateInfo[i];
Symbol state = null;
_init_counter++;
kwargs.Add("name", $"{_prefix}begin_state_{_init_counter}");
if (info == null)
{
info = new StateInfo(kwargs);
}
else
{
info.Update(kwargs);
}
var obj = new sym();
var m = typeof(sym).GetMethod(func.Replace("sym.", ""), BindingFlags.Static);
var keys = m.GetParameters().Select(x => x.Name).ToArray();
var paramArgs = info.GetArgs(keys);
states.Add((Symbol)m.Invoke(obj, paramArgs));
}
return(states);
}
internal static NDArrayOrSymbol[] GetBeginState(RecurrentCell cell, NDArrayOrSymbol[] begin_state,
NDArrayOrSymbol[] inputs, int batch_size)
{
if (begin_state != null)
{
if (inputs[0].IsNDArray)
{
var ctx = inputs[0].NdX.Context;
var args = new FuncArgs();
args.Add("ctx", ctx);
begin_state = cell.BeginState(batch_size, "nd.Zeros", args);
}
else
{
begin_state = cell.BeginState(batch_size, "sym.Zeros");
}
}
return(begin_state);
}