From 2cd9c4d8352873796108c191bd2d088f3624c5d8 Mon Sep 17 00:00:00 2001
From: Pavel P <pavlov.pavel@gmail.com>
Date: Tue, 29 Oct 2024 00:46:58 +0500
Subject: [PATCH] Fix icx warning: explicit comparison with infinity in fast
 floating point mode with intel compiler (#1218)

fixes #1217
---
 include/boost/math/ccmath/isinf.hpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/boost/math/ccmath/isinf.hpp b/include/boost/math/ccmath/isinf.hpp
index f1e00e34f5..ecf0d620ab 100644
--- a/include/boost/math/ccmath/isinf.hpp
+++ b/include/boost/math/ccmath/isinf.hpp
@@ -22,7 +22,14 @@ constexpr bool isinf BOOST_MATH_PREVENT_MACRO_SUBSTITUTION(T x) noexcept
     {
         if constexpr (std::numeric_limits<T>::is_signed)
         {
+#if defined(__clang_major__) && __clang_major__ >= 6
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wtautological-constant-compare"
+#endif
             return x == std::numeric_limits<T>::infinity() || -x == std::numeric_limits<T>::infinity();
+#if defined(__clang_major__) && __clang_major__ >= 6
+#pragma clang diagnostic pop
+#endif
         }
         else
         {
@@ -32,7 +39,7 @@ constexpr bool isinf BOOST_MATH_PREVENT_MACRO_SUBSTITUTION(T x) noexcept
     else
     {
         using boost::math::isinf;
-        
+
         if constexpr (!std::is_integral_v<T>)
         {
             return (isinf)(x);