libs/boost/patches/005-math.patch

   1 Index: boost_1_72_0/boost/math/tools/roots.hpp
   2 ===================================================================
   3 --- boost_1_72_0.orig/boost/math/tools/roots.hpp
   4 +++ boost_1_72_0/boost/math/tools/roots.hpp
   5 @@ -884,7 +884,11 @@ inline T discriminant(T const& a, T cons
   6  template<class T>
   7  std::pair<T, T> quadratic_roots_imp(T const& a, T const& b, T const& c)
   8  {
   9 -   using std::copysign;
  10 +   #if defined(BOOST_GNU_STDLIB) && !defined(_GLIBCXX_USE_C99_MATH_TR1)
  11 +      using boost::math::copysign;
  12 +   #else
  13 +      using std::copysign;
  14 +   #endif
  15     using std::sqrt;
  16     if constexpr (std::is_floating_point<T>::value)
  17     {