97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2018-2020
|
|
* Jianjia Ma
|
|
* majianjia@live.com
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020-05-03 Jianjia Ma The first version
|
|
*/
|
|
|
|
#ifndef __NNOM_ACTIVATION_H__
|
|
#define __NNOM_ACTIVATION_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "nnom.h"
|
|
#include "nnom_layers.h"
|
|
#include "nnom_local.h"
|
|
#include "nnom_tensor.h"
|
|
|
|
|
|
// activation layer
|
|
typedef struct _nnom_activation_layer_t
|
|
{
|
|
nnom_layer_t super;
|
|
nnom_activation_t *act;
|
|
} nnom_activation_layer_t;
|
|
|
|
|
|
// activation with fixed q format (tanh and sigmoid)
|
|
typedef struct _nnom_activation_fixed_q_t
|
|
{
|
|
nnom_activation_t super;
|
|
uint8_t dec_bit;
|
|
} nnom_activation_fixed_q_t;
|
|
|
|
// leaky relu
|
|
typedef struct _nnom_activation_leaky_relu_t
|
|
{
|
|
nnom_activation_t super;
|
|
q7_t alpha; // alpha is present by q0.7 format. (-128 = -1)
|
|
} nnom_activation_leaky_relu_t;
|
|
|
|
// advance relu (full ReLU)
|
|
typedef struct _nnom_activation_adv_relu_t
|
|
{
|
|
nnom_activation_t super;
|
|
q7_t negative_slope; // negative_slope is present by q0.7 format. (-128 = -1)
|
|
float max; // cap of the max value
|
|
float threshold; // threshold
|
|
} nnom_activation_adv_relu_t;
|
|
|
|
// method
|
|
nnom_status_t activation_run(nnom_layer_t* layer);
|
|
nnom_status_t activation_free(nnom_layer_t *layer);
|
|
|
|
// activation delete
|
|
void act_delete(nnom_activation_t* act);
|
|
|
|
// a direct api on tensor
|
|
nnom_status_t act_tensor_run(nnom_activation_t* act, nnom_tensor_t* tensor);
|
|
|
|
|
|
// Layer API
|
|
nnom_layer_t *Activation(nnom_activation_t *act);
|
|
nnom_layer_t *ReLU(void);
|
|
nnom_layer_t *LeakyReLU(float alpha);
|
|
nnom_layer_t *AdvReLU(float alpha, float max, float threshold);
|
|
nnom_layer_t *Sigmoid(int32_t dec_bit);
|
|
nnom_layer_t *TanH(int32_t dec_bit);
|
|
|
|
// Activation API.
|
|
nnom_activation_t* act_relu(void);
|
|
nnom_activation_t* act_leaky_relu(float alpha);
|
|
nnom_activation_t* act_adv_relu(float negative_slope, float max, float threshold);
|
|
nnom_activation_t* act_tanh(int32_t dec_bit);
|
|
nnom_activation_t* act_sigmoid(int32_t dec_bit);
|
|
nnom_activation_t* act_hard_tanh(int32_t dec_bit);
|
|
nnom_activation_t* act_hard_sigmoid(int32_t dec_bit);
|
|
|
|
// utils
|
|
int32_t act_get_dec_bit(nnom_activation_type_t type, int32_t dec_bit);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __NNOM_ACTIVATION_H__ */
|