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devel/boost-libs/files/patch-boost_rational.hpp
- This file was added.
| https://github.com/boostorg/rational/commit/3b31630778a4 | |||||
| --- boost/rational.hpp.orig 2018-07-06 21:40:34 UTC | |||||
| +++ boost/rational.hpp | |||||
| @@ -21,7 +21,6 @@ | |||||
| // Nickolay Mladenov, for the implementation of operator+= | |||||
| // Revision History | |||||
| -// 14 Jun 18 Add pow | |||||
| // 02 Sep 13 Remove unneeded forward declarations; tweak private helper | |||||
| // function (Daryle Walker) | |||||
| // 30 Aug 13 Improve exception safety of "assign"; start modernizing I/O code | |||||
| @@ -841,7 +840,7 @@ template <typename IntType> | |||||
| void rational<IntType>::normalize() | |||||
| { | |||||
| // Avoid repeated construction | |||||
| - IntType const zero(0); | |||||
| + IntType zero(0); | |||||
| if (den == zero) | |||||
| BOOST_THROW_EXCEPTION(bad_rational()); | |||||
| @@ -857,8 +856,9 @@ void rational<IntType>::normalize() | |||||
| num /= g; | |||||
| den /= g; | |||||
| - if (den < -(std::numeric_limits<IntType>::max)()) | |||||
| + if (den < -(std::numeric_limits<IntType>::max)()) { | |||||
| BOOST_THROW_EXCEPTION(bad_rational("bad rational: non-zero singular denominator")); | |||||
| + } | |||||
| // Ensure that the denominator is positive | |||||
| if (den < zero) { | |||||
| @@ -867,23 +867,6 @@ void rational<IntType>::normalize() | |||||
| } | |||||
| BOOST_ASSERT( this->test_invariant() ); | |||||
| -} | |||||
| - | |||||
| -template <typename IntType> | |||||
| -inline rational<IntType> pow(rational<IntType> base, IntType exponent) | |||||
| -{ | |||||
| - if (!base) | |||||
| - return base; | |||||
| - bool const positive = exponent >= 0; | |||||
| - rational<IntType> result((exponent % 2 != 0) ? base : rational<IntType>(1)); | |||||
| - | |||||
| - while ((exponent /= 2) != 0) { | |||||
| - base *= base; | |||||
| - if ((exponent % 2) != 0) | |||||
| - result *= base; | |||||
| - } | |||||
| - | |||||
| - return positive ? result : (static_cast<IntType>(1) / result); | |||||
| } | |||||
| #ifndef BOOST_NO_IOSTREAM | |||||