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      std::fpclassify

      Da cppreference.com
      < 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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      (C++11)
       
      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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      (C++11)(C++11)(C++11)
      Funções exponenciais
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      Exponential functions
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      (C++11)
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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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      fpclassify
      (C++11)
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      Constantes de macros
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      Macro constants
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      Definido no cabeçalho <cmath>
      int fpclassify(float arg );
      		(desde C++11)
      int fpclassify(double arg );
      		(desde C++11)
      int fpclassify(longdouble arg );
      		(desde C++11)
      Categoriza arg valor de ponto flutuante nas seguintes categorias: zero, subnormais, normal, infinitas, NAN, ou implementação categoria definida.
      Original:
      Categorizes floating point value arg into the following categories: zero, subnormal, normal, infinite, NAN, or implementation-defined category.
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      [editar]Parâmetros

      arg -
      flutuando valor de ponto
      Original:
      floating point value
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      [editar]Valor de retorno

      um dos FP_INFINITE, FP_NAN, FP_NORMAL, FP_SUBNORMAL, FP_ZERO ou implementação tipo definido, especificando a categoria de arg.
      Original:
      one of FP_INFINITE, FP_NAN, FP_NORMAL, FP_SUBNORMAL, FP_ZERO or implementation-defined type, specifying the category of arg.
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      [editar]Veja também

      (C++11)
      Verifica se o número dado tem um valor finito
      Original:
      checks if the given number has finite value
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      (função)[edit]
      (C++11)
      verifica se o número dado é infinito
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      checks if the given number is infinite
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      (função)[edit]
      (C++11)
      Verifica se o número dado é NaN
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      checks if the given number is NaN
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      (função)[edit]
      (C++11)
      verifica se o número dado é normal
      Original:
      checks if the given number is normal
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      (função)[edit]
      fornece uma interface para as propriedades da consulta de todos os tipos fundamentais numéricos .
      Original:
      provides an interface to query properties of all fundamental numeric types.
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      (modelo de classe)[edit]
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/numeric/math/fpclassify&oldid=21251"
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