mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-02 12:32:04 +00:00
17 lines
377 B
C++
17 lines
377 B
C++
|
#pragma once
|
||
|
|
|
||
|
|
#include <common/Types.h>
|
||
|
|
|
||
|
|
/** Almost the same as x = x * exp10(exponent), but gives more accurate result.
|
||
|
|
* Example:
|
||
|
|
* 5 * 1e-11 = 4.9999999999999995e-11
|
||
|
|
* !=
|
||
|
|
* 5e-11 = shift10(5.0, -11)
|
||
|
|
*/
|
||
|
|
|
||
|
|
double shift10(double x, int exponent);
|
||
|
|
float shift10(float x, int exponent);
|
||
|
|
|
||
|
|
double shift10(UInt64 x, int exponent);
|
||
|
|
double shift10(Int64 x, int exponent);
|