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std::numeric_limits::is_iec559

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static const bool is_iec559
 (até C++11)
static constexpr bool is_iec559
 (desde C++11)
O valor da std::numeric_limits<T>::is_iec559 é true para todos os tipos de ponto flutuante T que preenchem os requisitos da norma IEC 559 (IEEE 754) padrão. Se std::numeric_limits<T>::is_iec559 true é, em seguida, std::numeric_limits<T>::has_infinity, std::numeric_limits<T>::has_quiet_NaN, e são também std::numeric_limits<T>::has_signaling_NaN true.
Original:
The value of std::numeric_limits<T>::is_iec559 is true for all floating-point types T which fulfill the requirements of IEC 559 (IEEE 754) standard. If std::numeric_limits<T>::is_iec559 is true, then std::numeric_limits<T>::has_infinity, std::numeric_limits<T>::has_quiet_NaN, and std::numeric_limits<T>::has_signaling_NaN are also true.
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[editar] Especializações padrão

T
valor de std::numeric_limits<T>::is_iec559
Original:
value of std::numeric_limits<T>::is_iec559
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/* non-specialized */ false
bool false
char false
signed char false
unsigned char false
wchar_t false
char16_t false
char32_t false
short false
unsigned short false
int false
unsigned int false
long false
unsigned long false
long long false
unsigned long long false
float
geralmente true
Original:
usually true
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double
geralmente true
Original:
usually true
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long double
geralmente true
Original:
usually true
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[editar] Veja também

[estática]
identifica tipos de ponto flutuante que pode representar o valor especial "infinito positivo"
Original:
identifies floating-point types that can represent the special value "positive infinity"
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(membro estático público constante) [edit]
[estática]
identifica tipos de ponto flutuante que podem representar o valor especial "tranquila, não-número um" (NaN)
Original:
identifies floating-point types that can represent the special value "quiet not-a-number" (NaN)
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(membro estático público constante) [edit]
[estática]
identifica tipos de ponto flutuante que podem representar o valor especial "de sinalização não-número um" (NaN)
Original:
identifies floating-point types that can represent the special value "signaling not-a-number" (NaN)
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(membro estático público constante) [edit]
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