1*c9945492SAndroid Build Coastguard Worker /* 2*c9945492SAndroid Build Coastguard Worker * Copyright (c) 2017-2018, Arm Limited. 3*c9945492SAndroid Build Coastguard Worker * SPDX-License-Identifier: MIT 4*c9945492SAndroid Build Coastguard Worker */ 5*c9945492SAndroid Build Coastguard Worker #ifndef _EXP2F_DATA_H 6*c9945492SAndroid Build Coastguard Worker #define _EXP2F_DATA_H 7*c9945492SAndroid Build Coastguard Worker 8*c9945492SAndroid Build Coastguard Worker #include <features.h> 9*c9945492SAndroid Build Coastguard Worker #include <stdint.h> 10*c9945492SAndroid Build Coastguard Worker 11*c9945492SAndroid Build Coastguard Worker /* Shared between expf, exp2f and powf. */ 12*c9945492SAndroid Build Coastguard Worker #define EXP2F_TABLE_BITS 5 13*c9945492SAndroid Build Coastguard Worker #define EXP2F_POLY_ORDER 3 14*c9945492SAndroid Build Coastguard Worker extern hidden const struct exp2f_data { 15*c9945492SAndroid Build Coastguard Worker uint64_t tab[1 << EXP2F_TABLE_BITS]; 16*c9945492SAndroid Build Coastguard Worker double shift_scaled; 17*c9945492SAndroid Build Coastguard Worker double poly[EXP2F_POLY_ORDER]; 18*c9945492SAndroid Build Coastguard Worker double shift; 19*c9945492SAndroid Build Coastguard Worker double invln2_scaled; 20*c9945492SAndroid Build Coastguard Worker double poly_scaled[EXP2F_POLY_ORDER]; 21*c9945492SAndroid Build Coastguard Worker } __exp2f_data; 22*c9945492SAndroid Build Coastguard Worker 23*c9945492SAndroid Build Coastguard Worker #endif 24