arm_nn_tables.h

00001 /* ----------------------------------------------------------------------
00002  * Project:      CMSIS NN Library
00003  * Title:        arm_nn_tables.h
00004  * Description:  Extern declaration for NN tables
00005  *
00006  * $Date:        17. January 2018
00007  * $Revision:    V.1.0.0
00008  *
00009  * Target Processor:  Cortex-M cores
00010  * -------------------------------------------------------------------- */
00011 /*
00012  * Copyright (C) 2010-2018 Arm Limited or its affiliates. All rights reserved.
00013  *
00014  * SPDX-License-Identifier: Apache-2.0
00015  *
00016  * Licensed under the Apache License, Version 2.0 (the License); you may
00017  * not use this file except in compliance with the License.
00018  * You may obtain a copy of the License at
00019  *
00020  * www.apache.org/licenses/LICENSE-2.0
00021  *
00022  * Unless required by applicable law or agreed to in writing, software
00023  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00024  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00025  * See the License for the specific language governing permissions and
00026  * limitations under the License.
00027  */
00028 
00029 #ifndef _ARM_NN_TABLES_H
00030 #define _ARM_NN_TABLES_H
00031 
00032 #include "../../DSP/include/arm_math.h"
00033 
00034 /**
00035 * @brief tables for various activation functions
00036 *
00037 */
00038 
00039 extern const q15_t sigmoidTable_q15[256];
00040 extern const q7_t sigmoidTable_q7[256];
00041 
00042 extern const q7_t tanhTable_q7[256];
00043 extern const q15_t tanhTable_q15[256];
00044 
00045   /**
00046    * @brief 2-way tables for various activation functions
00047    *
00048    * 2-way table, H table for value larger than 1/4
00049    * L table for value smaller than 1/4, H table for remaining
00050    * We have this only for the q15_t version. It does not make
00051    * sense to have it for q7_t type
00052    */
00053 extern const q15_t sigmoidHTable_q15[192];
00054 extern const q15_t sigmoidLTable_q15[128];
00055 
00056 extern const q15_t sigmoidLTable_q15[128];
00057 extern const q15_t sigmoidHTable_q15[192];
00058 
00059 #endif                          /*  ARM_NN_TABLES_H */
00060