W3cubDocs

/C++

std::numeric_limits<T>::has_denorm

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)

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/w/cpp/types/numeric_limits/has_denorm