mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
24 lines
504 B
C++
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
|