From b8ea32436aba391b210b8f0a02fa2a048ff31f78 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Thu, 8 Feb 2024 19:56:27 +0000
Subject: [PATCH] Correct concept failures.

---
 include/boost/math/special_functions/detail/bessel_ik.hpp | 2 +-
 include/boost/math/special_functions/detail/bessel_kn.hpp | 2 +-
 test/test_bessel_y.hpp                                    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/boost/math/special_functions/detail/bessel_ik.hpp b/include/boost/math/special_functions/detail/bessel_ik.hpp
index b503352f2..da2310866 100644
--- a/include/boost/math/special_functions/detail/bessel_ik.hpp
+++ b/include/boost/math/special_functions/detail/bessel_ik.hpp
@@ -360,7 +360,7 @@ int bessel_ik(T v, T x, T* result_I, T* result_K, int kind, const Policy& pol)
         {
            prev /= current;
            scale /= current;
-           scale_sign *= (boost::math::signbit(current) ? -1 : 1);
+           scale_sign *= ((boost::math::signbit)(current) ? -1 : 1);
            current = 1;
         }
         next = fact * current + prev;
diff --git a/include/boost/math/special_functions/detail/bessel_kn.hpp b/include/boost/math/special_functions/detail/bessel_kn.hpp
index 4fc086d58..d0ddcd0db 100644
--- a/include/boost/math/special_functions/detail/bessel_kn.hpp
+++ b/include/boost/math/special_functions/detail/bessel_kn.hpp
@@ -75,7 +75,7 @@ T bessel_kn(int n, T x, const Policy& pol)
        }
        while(k < n);
        if (tools::max_value<T>() * scale < fabs(value))
-          return (signbit(scale) ? -1 : 1) * sign(value) * policies::raise_overflow_error<T>(function, nullptr, pol);
+          return ((boost::math::signbit)(scale) ? -1 : 1) * sign(value) * policies::raise_overflow_error<T>(function, nullptr, pol);
        value /= scale;
     }
     return value;
diff --git a/test/test_bessel_y.hpp b/test/test_bessel_y.hpp
index 08aeb4e52..730fd8d58 100644
--- a/test/test_bessel_y.hpp
+++ b/test/test_bessel_y.hpp
@@ -245,7 +245,7 @@ void test_bessel(T, const char* name)
 #endif
     BOOST_IF_CONSTEXPR(std::numeric_limits<T>::has_infinity && (std::numeric_limits<T>::min_exponent < -1072))
     {
-       static const std::array<std::array<typename table_type<T>::type, 3>, 5> coverage_data = { {
+       static const std::array<std::array<T, 3>, 5> coverage_data = { {
 #if LDBL_MAX_10_EXP > 4931
           {{ SC_(15.25), ldexp(T(1), -1071), SC_(-9.39553199265929955912687892204143267985847111378392154596e4931)}},
 #else