66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/****************************************************************************
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*
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* Copyright (c) 2020 Vivante Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*****************************************************************************/
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#ifndef TIM_VX_OPS_UNIDIRECTIONAL_SEQUENCE_LSTM_H_
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#define TIM_VX_OPS_UNIDIRECTIONAL_SEQUENCE_LSTM_H_
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#include "tim/vx/builtin_op.h"
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namespace tim {
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namespace vx {
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namespace ops {
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/**
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* ## Unidirectional sequence lstm
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* how to bind input/output: take unidirectional_sequence_lstm_test.cc
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*/
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class UnidirectionalSequenceLstm: public BuiltinOp {
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public:
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enum ActivationType {
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kNONE = 0,
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kRELU = 1,
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kRELU6 = 2,
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kTANH = 3,
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kSIGMOID = 4,
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kHARDSIGMOID = 5,
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kCOUNT
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};
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UnidirectionalSequenceLstm(
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Graph* graph, float cell_clip, float proj_clip,
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ActivationType act_type, float forget_bias, bool time_major = false,
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ActivationType recurrent_act_type = ActivationType::kSIGMOID,
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bool return_sequences = false /*False: only return last state*/
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);
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std::shared_ptr<Operation> Clone(
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std::shared_ptr<Graph>& graph) const override;
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protected:
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ActivationType act_type_;
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ActivationType recurrent_act_type_;
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};
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}
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} // namespace vx
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} // namespace tim
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#endif
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