Fix GCC 5 error for static_assert without message

mborland · mborland · commit 2aa78667cbcc · 2022-08-22T18:56:59.000-07:00
diff --git a/include/boost/math/special_functions/fast_float_distance.hpp b/include/boost/math/special_functions/fast_float_distance.hpp
@@ -63,7 +63,7 @@ boost::multiprecision::int128_type fast_float_distance(boost::multiprecision::fl
         BOOST_MATH_THROW_EXCEPTION(std::domain_error("Both arguments to fast_float_distnace must be finite"));
     }
 
-    static_assert(sizeof(boost::multiprecision::int128_type) == sizeof(boost::multiprecision::float128_type));
+    static_assert(sizeof(boost::multiprecision::int128_type) == sizeof(boost::multiprecision::float128_type), "float128 is the wrong size");
 
     boost::multiprecision::int128_type ai;
     boost::multiprecision::int128_type bi;

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,7 @@ boost::multiprecision::int128_type fast_float_distance(boost::multiprecision::fl`
`63`	`63`	`BOOST_MATH_THROW_EXCEPTION(std::domain_error("Both arguments to fast_float_distnace must be finite"));`
`64`	`64`	`}`
`65`	`65`
`66`		`- static_assert(sizeof(boost::multiprecision::int128_type) == sizeof(boost::multiprecision::float128_type));`
	`66`	`+ static_assert(sizeof(boost::multiprecision::int128_type) == sizeof(boost::multiprecision::float128_type), "float128 is the wrong size");`
`67`	`67`
`68`	`68`	`boost::multiprecision::int128_type ai;`
`69`	`69`	`boost::multiprecision::int128_type bi;`