std::numeric_limits<T>:: has_denorm
From cppreference.com
<
cpp
|
types
|
numeric limits
C++
Utilities library
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Type support
| Basic types | |||||||||||||||||||||
| Fixed width integer types (C++11) | |||||||||||||||||||||
| Fixed width floating-point types (C++23) | |||||||||||||||||||||
|
|||||||||||||||||||||
| Numeric limits | |||||||||||||||||||||
| C numeric limits interface | |||||||||||||||||||||
| Runtime type information | |||||||||||||||||||||
|
|||||||||||||||||||||
std::numeric_limits
| Static constants | ||||
|
numeric_limits::has_denorm
|
||||
|
(C++11)
|
||||
| Static member functions | ||||
|
(C++11)
|
||||
| Helper types | ||||
|
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) |
Retrieved from "
https://en.cppreference.com/mwiki/index.php?title=cpp/types/numeric_limits/has_denorm&oldid=149599
"