Espaços nominais
Variantes
    Acções

      std::isnan

      Da cppreference.com
      < cpp‎ | numeric‎ | math

      This page has been machine-translated from the English version of the wiki using Google Translate.

      The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

      Click here for the English version of this page

       
      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
      Original:
      Generic numeric operations
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
       
      Funções matemáticas comuns
      Funções
      Original:
      Functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      Operações básicas
      Original:
      Basic operations
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (C++11)(C++11)(C++11)
      Funções exponenciais
      Original:
      Exponential functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Funções de poder
      Original:
      Power functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      Funções trigonométricas e hiperbólicas
      Original:
      Trigonometric and hyperbolic functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      Erro e funções gamma
      Original:
      Error and gamma functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Número inteiro mais próximo de operações de ponto flutuante
      Original:
      Nearest integer floating point operations
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)(C++11)(C++11)
      (C++11)
      (C++11)
      (C++11)(C++11)(C++11)
      Flutuando funções de manipulação de pontos
      Original:
      Floating point manipulation functions
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)(C++11)
      (C++11)
      (C++11)
      Classificação / Comparação
      Original:
      Classification/Comparison
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)
      (C++11)
      (C++11)
      isnan
      (C++11)
      (C++11)
      (C++11)
      Constantes de macros
      Original:
      Macro constants
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.
      (C++11)(C++11)(C++11)(C++11)(C++11)
       
      Definido no cabeçalho <cmath>
      bool isnan(float arg );
      		(desde C++11)
      bool isnan(double arg );
      		(desde C++11)
      bool isnan(longdouble arg );
      		(desde C++11)
      Determina se o dado arg número de ponto flutuante não-número um é (NaN).
      Original:
      Determines if the given floating point number arg is not-a-number (NaN).
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      [editar]Parâmetros

      arg -
      flutuando valor de ponto
      Original:
      floating point value
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      [editar]Valor de retorno

      true se arg é NaN, false contrário
      Original:
      true if arg is NaN, false otherwise
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      [editar]Veja também

      (C++11)
      categoriza o valor determinado ponto flutuante
      Original:
      categorizes the given floating point value
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função)[edit]
      (C++11)
      Verifica se o número dado tem um valor finito
      Original:
      checks if the given number has finite value
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função)[edit]
      (C++11)
      verifica se o número dado é infinito
      Original:
      checks if the given number is infinite
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função)[edit]
      (C++11)
      verifica se o número dado é normal
      Original:
      checks if the given number is normal
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função)[edit]
      (C++11)
      Verifica se dois valores de ponto flutuante são desordenadas
      Original:
      checks if two floating-point values are unordered
      The text has been machine-translated via Google Translate.
      You can help to correct and verify the translation. Click here for instructions.

      (função)[edit]
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/numeric/math/isnan&oldid=21262"
      close