Suppress C++23 float_denorm_style deprecation warning in numeric_limits<half>#546
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cary-ilm merged 2 commits intoAcademySoftwareFoundation:mainfrom Apr 17, 2026
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Part of an effort to get CI building without warnings.
C++23 deprecates std::float_denorm_style and std::denorm_present
but does not remove them or provide a replacement; std::numeric_limits
still requires has_denorm to be of that type, so we must use it, which leads to a warning:
src/Imath/half.h:948:22: warning: 'float_denorm_style' is deprecated [-Wdeprecated-declarations]
static constexpr float_denorm_style has_denorm = denorm_present;
^
Suppress the warning for this use and only when building in C++23 (or
later): wrap the has_denorm declaration in compiler-specific pragmas
(GCC/Clang -Wdeprecated-declarations, MSVC 4996) guarded by
(__cplusplus >= 202302L) and the compiler macro. Pre-C++23 builds are
unchanged and use no pragmas.
Made-with: Cursor
Signed-off-by: Cary Phillips <cary@ilm.com>
lgritz
approved these changes
Apr 16, 2026
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Part of an effort to get CI building without warnings.
C++23 deprecates std::float_denorm_style and std::denorm_present but does not remove them or provide a replacement; std::numeric_limits still requires has_denorm to be of that type, so we must use it, which leads to a warning:
Suppress the warning for this use and only when building in C++23 (or later): wrap the has_denorm declaration in compiler-specific pragmas (GCC/Clang -Wdeprecated-declarations, MSVC 4996) guarded by (__cplusplus >= 202302L) and the compiler macro. Pre-C++23 builds are unchanged and use no pragmas.
Made-with: Cursor