1/*
2 * Copyright (c) 2017-2018, Arm Limited.
3 * SPDX-License-Identifier: MIT
4 */
5#ifndef _POWF_DATA_H
6#define _POWF_DATA_H
7
8#include "libm.h"
9#include "exp2f_data.h"
10
11#define POWF_LOG2_TABLE_BITS 4
12#define POWF_LOG2_POLY_ORDER 5
13#if TOINT_INTRINSICS
14#define POWF_SCALE_BITS EXP2F_TABLE_BITS
15#else
16#define POWF_SCALE_BITS 0
17#endif
18#define POWF_SCALE ((double)(1 << POWF_SCALE_BITS))
19extern hidden const struct powf_log2_data {
20 struct {
21 double invc, logc;
22 } tab[1 << POWF_LOG2_TABLE_BITS];
23 double poly[POWF_LOG2_POLY_ORDER];
24} __powf_log2_data;
25
26#endif