def LSTMCell()

in torchmoji/lstm.py [0:0]

• 11 lines of code
• 1 McCabe index (conditional complexity)

def LSTMCell(input, hidden, w_ih, w_hh, b_ih=None, b_hh=None):
    """
    A modified LSTM cell with hard sigmoid activation on the input, forget and output gates.
    """
    hx, cx = hidden
    gates = F.linear(input, w_ih, b_ih) + F.linear(hx, w_hh, b_hh)

    ingate, forgetgate, cellgate, outgate = gates.chunk(4, 1)

    ingate = hard_sigmoid(ingate)
    forgetgate = hard_sigmoid(forgetgate)
    cellgate = F.tanh(cellgate)
    outgate = hard_sigmoid(outgate)

    cy = (forgetgate * cx) + (ingate * cellgate)
    hy = outgate * F.tanh(cy)

    return hy, cy