/****************************************************************************
*
*    Copyright (c) 2020 Vivante Corporation
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*
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#ifndef _VSI_NN_OP_BIDIRECTIONAL_SEQUENCE_RNN_H
#define _VSI_NN_OP_BIDIRECTIONAL_SEQUENCE_RNN_H

#include "vsi_nn_types.h"
#include "vsi_nn_op_rnn.h"

#ifdef __cplusplus
extern "C" {
#endif

/* enum for inputs/outputs */
enum
{
    BI_RNN_INPUT_INPUT           = 0,

    BI_RNN_FW_INPUT_WEIGHT_I     = 1,
    BI_RNN_FW_INPUT_WEIGHT_H     = 2,
    BI_RNN_FW_INPUT_BIAS         = 3,
    BI_RNN_FW_INPUT_H_STATE      = 4,

    BI_RNN_BW_INPUT_WEIGHT_I     = 5,
    BI_RNN_BW_INPUT_WEIGHT_H     = 6,
    BI_RNN_BW_INPUT_BIAS         = 7,
    BI_RNN_BW_INPUT_H_STATE      = 8,

    BI_RNN_AUX_INPUT             = 9,
    BI_RNN_FW_AUX_INPUT_WEIGHT   = 10,
    BI_RNN_BW_AUX_INPUT_WEIGHT   = 11,

    BI_RNN_INPUT_CNT,

    BI_RNN_FW_OUTPUT_OUTPUT      = 0,
    BI_RNN_BW_OUTPUT_OUTPUT      = 1,
    BI_RNN_OUTPUT_CNT
};


typedef struct _vsi_nn_bidirectional_sequence_rnn_param
{
    vsi_bool time_major;
    vsi_bool merge_outputs;
    vsi_nn_activation_e activation;
    vsi_nn_dtype_t* internal_dtype;
} vsi_nn_bidirectional_sequence_rnn_param;

#ifdef __cplusplus
}
#endif

#endif
