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