25 lines
471 B
C++
25 lines
471 B
C++
|
/*
|
||
|
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
|
||
|
Released under Apache 2.0 license as described in the file LICENSE.
|
||
|
|
||
|
Author: Leonardo de Moura
|
||
|
*/
|
||
|
#include <cfenv>
|
||
|
#include <cmath>
|
||
|
#include "numeric_traits.h"
|
||
|
|
||
|
namespace lean {
|
||
|
|
||
|
void set_processor_rounding(bool plus_inf) {
|
||
|
if (plus_inf)
|
||
|
std::fesetround(FE_UPWARD);
|
||
|
else
|
||
|
std::fesetround(FE_DOWNWARD);
|
||
|
}
|
||
|
|
||
|
void double_power(double & v, unsigned k) {
|
||
|
v = std::pow(v, k);
|
||
|
}
|
||
|
|
||
|
};
|