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      std::lgamma

      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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      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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      (C++11)
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      Erro e funções gamma
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      Error and gamma functions
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      (C++11)
      (C++11)
      lgamma
      (C++11)
      (C++11)
      Número inteiro mais próximo de operações de ponto flutuante
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      Nearest integer floating point operations
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      (C++11)(C++11)(C++11)
      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>
      float       lgamma(float arg );
      		(desde C++11)
      double      lgamma(double arg );
      		(desde C++11)
      longdouble lgamma(longdouble arg );
      		(desde C++11)
      double      lgamma( Integral arg );
      		(desde C++11)
      Calcula o logaritmo natural do valor absoluto do gama de funções de arg.
      Original:
      Computes the natural logarithm of the absolute value of the gama de funções of arg.
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      Índice

      [editar]Parâmetros

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

      O valor do logaritmo da função gama de arg, isto é log
      e      |∫∞
      0      targ-1
      e-t dt|      .
      Original:
      The value of the logarithm of the gamma function of arg, that is log
      e      |∫∞
      0      targ-1
      e-t dt|      .
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      Se arg é um número natural, std::lgamma(arg) é o logaritmo do fatorial de arg-1.
      Original:
      If arg is a natural number, std::lgamma(arg) is the logarithm of the factorial of arg-1.
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      [editar]Exceções

      Se arg é zero ou um inteiro negativo, pode ocorrer erro pólo e FE_INVALIDFE_DIVBYZERO ou podem ser levantadas.
      Original:
      If arg is zero or a negative integer, pole error may occur and FE_INVALID or FE_DIVBYZERO may be raised.
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      Se arg for demasiado grande, intervalo de erro pode ocorrer e pode ser elevado FE_OVERFLOW.
      Original:
      If arg is too large, range error may occur and FE_OVERFLOW may be raised.
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      [editar]Notas

      POSIX specification requer adicionalmente que cada execução de lgamma armazena o sinal da função gama de arg no signgam variável externa.
      Original:
      POSIX specification additionally requires that each execution of lgamma stores the sign of the gamma function of arg in the external variable signgam.
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      [editar]Veja também

      (C++11)
      gama de funções
      Original:
      gamma function
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      (função)[edit]
      Documentação C para lgamma

      [editar]Links externos

      Weisstein, Eric W. "Log Gamma Function." De MathWorld - Um recurso Web Wolfram.
      Original:
      Weisstein, Eric W. "Log Gamma Function." From MathWorld--A Wolfram Web Resource.
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      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/numeric/math/lgamma&oldid=21266"
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