Espaços nominais
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std::frexp

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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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frexp
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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       frexp( float arg, int* exp );
double      frexp( double arg, int* exp );
long double frexp( long double arg, int* exp );
double      frexp( Integral arg, int* exp );
 (desde C++11)
Decompõe-se o valor determinado ponto flutuante para significand e expoente.
Original:
Decomposes given floating point value to significand and exponent.
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[editar] Parâmetros

arg -
flutuando valor de ponto
Original:
floating point value
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exp -
ponteiro para valor inteiro para armazenar o expoente a
Original:
pointer to integer value to store the exponent to
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[editar] Valor de retorno

significando o número de ponto flutuante dado na gama de [0.5; 1). O expoente é colocado em valor inteiro apontado por exp.
Original:
significand of the given floating point number in the range of [0.5; 1). The exponent is put into integer value pointed to by exp.
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[editar] Veja também
multiplica um número por 2 elevado a uma potência
Original:
multiplies a number by 2 raised to a power
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(função) [edit]
(C++11)
extrai expoente do número
Original:
extracts exponent of the number
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(função) [edit]
(C++11)
extrai expoente do número
Original:
extracts exponent of the number
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(função) [edit]
decompõe um número em partes inteira e fracionária
Original:
decomposes a number into integer and fractional parts
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(função) [edit]
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