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Disable numeric_limits specialization for GCC-14 #993

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Jun 8, 2023
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Disable numeric_limits specialization for GCC-14 #993

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2 changes: 1 addition & 1 deletion include/boost/math/cstdfloat/cstdfloat_limits.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@
#pragma GCC system_header
#endif

#if defined(BOOST_CSTDFLOAT_HAS_INTERNAL_FLOAT128_T) && defined(BOOST_MATH_USE_FLOAT128) && !defined(BOOST_CSTDFLOAT_NO_LIBQUADMATH_SUPPORT)
#if defined(BOOST_CSTDFLOAT_HAS_INTERNAL_FLOAT128_T) && defined(BOOST_MATH_USE_FLOAT128) && !defined(BOOST_CSTDFLOAT_NO_LIBQUADMATH_SUPPORT) && (!defined(__GNUC__) || (defined(__GNUC__) && __GNUC__ < 14))
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This check seems wrong. The new numeric_limits<__float128> specialization will be enabled when using new libstdc++ headers with Clang, which does not define __GNUC__ to 14 (it can be told to use any value, but by default it defines it to 4).

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Checking _GLIBCXX_RELEASE < 14 would be more correct, as that is determined by the libstdc++ headers, not by the compiler including them.


#include <limits>
#include <boost/math/tools/nothrow.hpp>
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