ceph/src/boost/boost/math/ccmath/isgreater.hpp

   1 //  (C) Copyright Matt Borland 2022.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef BOOST_MATH_CCMATH_ISGREATER_HPP
   7 #define BOOST_MATH_CCMATH_ISGREATER_HPP
   8
   9 #include <cmath>
  10 #include <limits>
  11 #include <boost/math/tools/is_constant_evaluated.hpp>
  12 #include <boost/math/ccmath/isnan.hpp>
  13
  14 namespace boost::math::ccmath {
  15
  16 template <typename T1, typename T2 = T1>
  17 inline constexpr bool isgreater(T1 x, T2 y) noexcept
  18 {
  19     if (BOOST_MATH_IS_CONSTANT_EVALUATED(x))
  20     {
  21         if (boost::math::ccmath::isnan(x) || boost::math::ccmath::isnan(y))
  22         {
  23             return false;
  24         }
  25         else
  26         {
  27             return x > y;
  28         }
  29     }
  30     else
  31     {
  32         using std::isgreater;
  33         return isgreater(x, y);
  34     }
  35 }
  36
  37 } // Namespaces
  38
  39 #endif // BOOST_MATH_CCMATH_ISGREATER_HPP