ClickHouse/libs/libglibc-compatibility/musl/exp2f_data.h
2019-09-30 12:28:50 +08:00

24 lines
504 B
C++

/*
* Copyright (c) 2017-2018, Arm Limited.
* SPDX-License-Identifier: MIT
*/
#ifndef _EXP2F_DATA_H
#define _EXP2F_DATA_H
#include "musl_features.h"
#include <stdint.h>
/* Shared between expf, exp2f and powf. */
#define EXP2F_TABLE_BITS 5
#define EXP2F_POLY_ORDER 3
extern hidden const struct exp2f_data {
uint64_t tab[1 << EXP2F_TABLE_BITS];
double shift_scaled;
double poly[EXP2F_POLY_ORDER];
double shift;
double invln2_scaled;
double poly_scaled[EXP2F_POLY_ORDER];
} __exp2f_data;
#endif