| /* |
| * Copyright (c) 2017-2018, Arm Limited. |
| * SPDX-License-Identifier: MIT |
| */ |
| #ifndef _POWF_DATA_H |
| #define _POWF_DATA_H |
| |
| #include "libm.h" |
| #include "exp2f_data.h" |
| |
| #define POWF_LOG2_TABLE_BITS 4 |
| #define POWF_LOG2_POLY_ORDER 5 |
| #if TOINT_INTRINSICS |
| #define POWF_SCALE_BITS EXP2F_TABLE_BITS |
| #else |
| #define POWF_SCALE_BITS 0 |
| #endif |
| #define POWF_SCALE ((double)(1 << POWF_SCALE_BITS)) |
| extern hidden const struct powf_log2_data { |
| struct { |
| double invc, logc; |
| } tab[1 << POWF_LOG2_TABLE_BITS]; |
| double poly[POWF_LOG2_POLY_ORDER]; |
| } __powf_log2_data; |
| |
| #endif |