std::numeric_limits<T>::has_denorm
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C++
Utilities library
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| Fixed width floating-point types (C++23) | |||||||||||||||||||||
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| Numeric limits | |||||||||||||||||||||
| C numeric limits interface | |||||||||||||||||||||
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std::numeric_limits
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numeric_limits::has_denorm | ||||
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(C++11)
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| Static member functions | ||||
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(C++11)
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| Helper types | ||||
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static
const
std::float_denorm_style has_denorm;
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(until C++11) | |
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static
constexpr
std::float_denorm_style has_denorm;
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(since C++11) (deprecated in C++23) |
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The value of std::numeric_limits <T> :: has_denorm identifies the floating-point types that support subnormal values
Standard specializations
T
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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
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[static]
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returns the smallest positive subnormal value of the given floating-point type (public static member function) |
| indicates floating-point denormalization modes (enum) |