| /* |
| * Copyright (c) 2018, Arm Limited. |
| * SPDX-License-Identifier: MIT |
| */ |
| #ifndef _LOG2_DATA_H |
| #define _LOG2_DATA_H |
| |
| #include <features.h> |
| |
| #define LOG2_TABLE_BITS 6 |
| #define LOG2_POLY_ORDER 7 |
| #define LOG2_POLY1_ORDER 11 |
| extern hidden const struct log2_data { |
| double invln2hi; |
| double invln2lo; |
| double poly[LOG2_POLY_ORDER - 1]; |
| double poly1[LOG2_POLY1_ORDER - 1]; |
| struct { |
| double invc, logc; |
| } tab[1 << LOG2_TABLE_BITS]; |
| #if !__FP_FAST_FMA |
| struct { |
| double chi, clo; |
| } tab2[1 << LOG2_TABLE_BITS]; |
| #endif |
| } __log2_data; |
| |
| #endif |
