lean2/src/numerics/numeric_traits.cpp

25 lines
471 B
C++
Raw Normal View History

/*
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);
}
};