std::numeric_limits<T>::has_denorm
From cppreference.com
< cpp | types | numeric limits
| static const std::float_denorm_style has_denorm; |
(until C++11) | |
| static constexpr std::float_denorm_style has_denorm; |
(since C++11) (deprecated in C++23) |
|
The value of std::numeric_limits<T>::has_denorm identifies the floating-point types that support subnormal values.
Standard specializations
T
|
value of std::numeric_limits<T>::has_denorm |
| /* non-specialized */ | std::denorm_absent |
| bool | std::denorm_absent |
| char | std::denorm_absent |
| signed char | std::denorm_absent |
| unsigned char | std::denorm_absent |
| wchar_t | std::denorm_absent |
| char8_t (since C++20) | std::denorm_absent |
| char16_t (since C++11) | std::denorm_absent |
| char32_t (since C++11) | std::denorm_absent |
| short | std::denorm_absent |
| unsigned short | std::denorm_absent |
| int | std::denorm_absent |
| unsigned int | std::denorm_absent |
| long | std::denorm_absent |
| unsigned long | std::denorm_absent |
| long long (since C++11) | std::denorm_absent |
| unsigned long long (since C++11) | std::denorm_absent |
| float | usually std::denorm_present |
| double | usually std::denorm_present |
| long double | usually std::denorm_present |
See also
| [static] |
returns the smallest positive subnormal value of the given floating-point type (public static member function) |
| indicates floating-point denormalization modes (enum) |