1/*
2 * Copyright (c) 2018, Arm Limited.
3 * SPDX-License-Identifier: MIT
4 */
5#ifndef _POW_DATA_H
6#define _POW_DATA_H
7
8#include <features.h>
9
10#define POW_LOG_TABLE_BITS 7
11#define POW_LOG_POLY_ORDER 8
12extern hidden const struct pow_log_data {
13	double ln2hi;
14	double ln2lo;
15	double poly[POW_LOG_POLY_ORDER - 1]; /* First coefficient is 1.  */
16	/* Note: the pad field is unused, but allows slightly faster indexing.  */
17	struct {
18		double invc, pad, logc, logctail;
19	} tab[1 << POW_LOG_TABLE_BITS];
20} __pow_log_data;
21
22#endif
23