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Enforce rounding in rounded_arith_opp to fix incorrect behaviour. #4

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Enforce rounding in rounded_arith_opp to fix incorrect behaviour. #4

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Enforce rounding in rounded_arith_opp to fix incorrect behaviour.
nafur Jun 24, 2014
ca0f0bb
Merge branch 'boostorg:develop' into changes
nafur Dec 14, 2022
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6 changes: 3 additions & 3 deletions include/boost/numeric/interval/rounded_arith.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -92,10 +92,10 @@ struct rounded_arith_opp: Rounding {
# define BOOST_UP_NEG(EXPR) return -this->force_rounding(EXPR)
template<class U> T conv_down(U const &v) { BOOST_UP_NEG(-v); }
template<class U> T conv_up (U const &v) { BOOST_UP(v); }
T add_down(const T& x, const T& y) { BOOST_UP_NEG((-x) - y); }
T add_down(const T& x, const T& y) { BOOST_UP_NEG(this->force_rounding(-x) - y); }
T sub_down(const T& x, const T& y) { BOOST_UP_NEG(y - x); }
T mul_down(const T& x, const T& y) { BOOST_UP_NEG(x * (-y)); }
T div_down(const T& x, const T& y) { BOOST_UP_NEG(x / (-y)); }
T mul_down(const T& x, const T& y) { BOOST_UP_NEG(x * this->force_rounding(-y)); }
T div_down(const T& x, const T& y) { BOOST_UP_NEG(x / this->force_rounding(-y)); }
T add_up (const T& x, const T& y) { BOOST_UP(x + y); }
T sub_up (const T& x, const T& y) { BOOST_UP(x - y); }
T mul_up (const T& x, const T& y) { BOOST_UP(x * y); }
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