Espaços nominais
Variantes
Acções

std::exp2

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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
Original:
Generic numeric operations
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(C++11)
 
Funções matemáticas comuns
Funções
Original:
Functions
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Operações básicas
Original:
Basic operations
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(C++11)(C++11)(C++11)
Funções exponenciais
Original:
Exponential functions
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exp2
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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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(C++11)
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
Original:
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>
double      exp2( double n );
 (desde C++11)
float       exp2( float n );
 (desde C++11)
long double exp2( long double n );
 (desde C++11)
double      exp2( Integral n );
 (desde C++11)
Calcula 2 elevado à n poder dado
Original:
Computes 2 raised to the given power n
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[editar] Parâmetros

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

2 elevado à n (i.e. 2n)
Original:
2 raised to the n (i.e. 2n)
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Se o resultado é muito grande para o tipo de base, o erro ocorre gama e HUGE_VAL é retornado.
Original:
If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.
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[editar] Veja também
retorna e elevado à potência dada (ex)
Original:
returns e raised to the given power (ex)
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(função) [edit]
(C++11)
logaritmo base 2 do número dado
Original:
base 2 logarithm of the given number
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(função) [edit]
calcula natural (base e) logaritmo (de base e) (ln(x))
Original:
computes natural (base e) logarithm (to base e) (ln(x))
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(função) [edit]
levanta uma série para o poder dado (xy)
Original:
raises a number to the given power (xy)
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(função) [edit]
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