mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-16 12:44:42 +00:00
21 lines
411 B
C++
21 lines
411 B
C++
/*
|
|
* Copyright (c) 2017-2018, Arm Limited.
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
#ifndef _LOGF_DATA_H
|
|
#define _LOGF_DATA_H
|
|
|
|
#include "musl_features.h"
|
|
|
|
#define LOGF_TABLE_BITS 4
|
|
#define LOGF_POLY_ORDER 4
|
|
extern hidden const struct logf_data {
|
|
struct {
|
|
double invc, logc;
|
|
} tab[1 << LOGF_TABLE_BITS];
|
|
double ln2;
|
|
double poly[LOGF_POLY_ORDER - 1]; /* First order coefficient is 1. */
|
|
} __logf_data;
|
|
|
|
#endif
|