1/*
2 * Copyright (c) 2018, Arm Limited.
3 * SPDX-License-Identifier: MIT
4 */
5#ifndef _LOG_DATA_H
6#define _LOG_DATA_H
7
8#include <features.h>
9
10#define LOG_TABLE_BITS 7
11#define LOG_POLY_ORDER 6
12#define LOG_POLY1_ORDER 12
13extern hidden const struct log_data {
14	double ln2hi;
15	double ln2lo;
16	double poly[LOG_POLY_ORDER - 1]; /* First coefficient is 1.  */
17	double poly1[LOG_POLY1_ORDER - 1];
18	struct {
19		double invc, logc;
20	} tab[1 << LOG_TABLE_BITS];
21#if !__FP_FAST_FMA
22	struct {
23		double chi, clo;
24	} tab2[1 << LOG_TABLE_BITS];
25#endif
26} __log_data;
27
28#endif
29