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