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/* Copyright (c) 2017 Jean-Marc Valin */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MLP_H_
#define _MLP_H_
#include "opus_types.h"
#define WEIGHTS_SCALE (1.f/128)
#define MAX_NEURONS 32
typedef struct {
const opus_int8 *bias;
const opus_int8 *input_weights;
int nb_inputs;
int nb_neurons;
int sigmoid;
} DenseLayer;
typedef struct {
const opus_int8 *bias;
const opus_int8 *input_weights;
const opus_int8 *recurrent_weights;
int nb_inputs;
int nb_neurons;
} GRULayer;
extern const DenseLayer layer0;
extern const GRULayer layer1;
extern const DenseLayer layer2;
void compute_dense(const DenseLayer *layer, float *output, const float *input);
void compute_gru(const GRULayer *gru, float *state, const float *input);
#endif /* _MLP_H_ */
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