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 27