Changed implementation of is_equal()

src/compare.h

@@ -8,8 +8,8 @@
 // compare
 // clang-format off
 constexpr auto is_not_equal = [](auto a, auto b) noexcept { return  (a < b || b < a); };
-constexpr auto is_equal     = [](auto a, auto b) noexcept { return  !(a < b || b < a); };
-//constexpr auto is_equal     = [](auto a, auto b) noexcept { return (a >= b && b >= a); };
+//constexpr auto is_equal     = [](auto a, auto b) noexcept { return  !(a < b || b < a); };
+constexpr auto is_equal     = [](auto a, auto b) noexcept { return (a >= b && b >= a); };
 const auto fp_is_not_equal  = [](auto a, auto b) noexcept { return ((std::isnan(a) || std::isnan(b)) ? !(std::isnan(a) && std::isnan(b)) : is_not_equal(a, b)); };
 const auto fp_is_equal      = [](auto a, auto b) noexcept { return ((std::isnan(a) || std::isnan(b)) ? (std::isnan(a) && std::isnan(b)) : is_equal(a, b)); };
 // clang-format on