1 /* ---------------------------------------------------------------------- 2 * Project: CMSIS NN Library 3 * Title: arm_nn_tables.h 4 * Description: Extern declaration for NN tables 5 * 6 * $Date: 17. January 2018 7 * $Revision: V.1.0.0 8 * 9 * Target Processor: Cortex-M cores 10 * -------------------------------------------------------------------- */ 11 /* 12 * Copyright (C) 2010-2018 Arm Limited or its affiliates. All rights reserved. 13 * 14 * SPDX-License-Identifier: Apache-2.0 15 * 16 * Licensed under the Apache License, Version 2.0 (the License); you may 17 * not use this file except in compliance with the License. 18 * You may obtain a copy of the License at 19 * 20 * www.apache.org/licenses/LICENSE-2.0 21 * 22 * Unless required by applicable law or agreed to in writing, software 23 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 25 * See the License for the specific language governing permissions and 26 * limitations under the License. 27 */ 28 29 #ifndef _ARM_NN_TABLES_H 30 #define _ARM_NN_TABLES_H 31 32 #include "arm_math.h" 33 34 /** 35 * @brief tables for various activation functions 36 * 37 */ 38 39 extern const q15_t sigmoidTable_q15[256]; 40 extern const q7_t sigmoidTable_q7[256]; 41 42 extern const q7_t tanhTable_q7[256]; 43 extern const q15_t tanhTable_q15[256]; 44 45 /** 46 * @brief 2-way tables for various activation functions 47 * 48 * 2-way table, H table for value larger than 1/4 49 * L table for value smaller than 1/4, H table for remaining 50 * We have this only for the q15_t version. It does not make 51 * sense to have it for q7_t type 52 */ 53 extern const q15_t sigmoidHTable_q15[192]; 54 extern const q15_t sigmoidLTable_q15[128]; 55 56 extern const q15_t sigmoidLTable_q15[128]; 57 extern const q15_t sigmoidHTable_q15[192]; 58 59 #endif /* ARM_NN_TABLES_H */ 60