Espaços nominais
Variantes
Acções

NAN

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< cpp‎ | numeric‎ | math

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C++
 
Biblioteca numéricos
Funções matemáticas comuns
De ponto flutuante ambiente
Números complexos
Matrizes numéricas
Pseudo-aleatório de geração de números
Tempo de compilação aritmética racional (C++11)
Genéricos operações numéricas
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Generic numeric operations
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Funções matemáticas comuns
Funções
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Functions
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Operações básicas
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Basic operations
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Funções exponenciais
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Exponential functions
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Funções de poder
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Power functions
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Funções trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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Erro e funções gamma
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Error and gamma functions
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Número inteiro mais próximo de operações de ponto flutuante
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Nearest integer floating point operations
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Flutuando funções de manipulação de pontos
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Floating point manipulation functions
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Classificação / Comparação
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Classification/Comparison
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Constantes de macros
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Macro constants
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Definido no cabeçalho <cmath>
#define NAN /*implementation defined*/
 (desde C++11)
O NAN macro expande a expressão constante de float tipo que avalia a um silêncio não-número um-valor (QNAN). Se a aplicação não suporta QNaNs, esta constante macro não está definida.
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The macro NAN expands to constant expression of type float which evaluates to a quiet not-a-number (QNaN) value. If the implementation does not support QNaNs, this macro constant is not defined.
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[editar] Veja também

[estática]
retorna um valor NaN tranquila do determinado tipo de ponto flutuante
Original:
returns a quiet NaN value of the given floating-point type
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(of std::numeric_limits função public static membro) [edit]
(C++11)
Verifica se o número dado é NaN
Original:
checks if the given number is NaN
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(função) [edit]
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