| /* |
| * Copyright (c) 2018, Arm Limited. |
| * SPDX-License-Identifier: MIT |
| */ |
| #ifndef _LOG_DATA_H |
| #define _LOG_DATA_H |
| |
| #include <features.h> |
| |
| #define LOG_TABLE_BITS 7 |
| #define LOG_POLY_ORDER 6 |
| #define LOG_POLY1_ORDER 12 |
| extern hidden const struct log_data { |
| double ln2hi; |
| double ln2lo; |
| double poly[LOG_POLY_ORDER - 1]; /* First coefficient is 1. */ |
| double poly1[LOG_POLY1_ORDER - 1]; |
| struct { |
| double invc, logc; |
| } tab[1 << LOG_TABLE_BITS]; |
| #if !__FP_FAST_FMA |
| struct { |
| double chi, clo; |
| } tab2[1 << LOG_TABLE_BITS]; |
| #endif |
| } __log_data; |
| |
| #endif |
