55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
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/*
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* Copyright (C) 2016-2019 C-SKY Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* ----------------------------------------------------------------------
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* Title: csky_nn_tables.h
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* Description: Extern declaration for NN tables
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* -------------------------------------------------------------------- */
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#ifndef _CSKY_NN_TABLES_H
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#define _CSKY_NN_TABLES_H
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#include "csky_vdsp2_math.h"
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/**
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* @brief tables for various activation functions
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*
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*/
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extern const q15_t sigmoidTable_q15[256];
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extern const q7_t sigmoidTable_q7[256];
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extern const q7_t tanhTable_q7[256];
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extern const q15_t tanhTable_q15[256];
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/**
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* @brief 2-way tables for various activation functions
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*
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* 2-way table, H table for value larger than 1/4
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* L table for value smaller than 1/4, H table for remaining
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* We have this only for the q15_t version. It does not make
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* sense to have it for q7_t type
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*/
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extern const q15_t sigmoidHTable_q15[192];
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extern const q15_t sigmoidLTable_q15[128];
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extern const q15_t sigmoidLTable_q15[128];
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extern const q15_t sigmoidHTable_q15[192];
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#endif /* CSKY_NN_TABLES_H */
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