Espaços nominais
Variantes
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std::trunc

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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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Funções matemáticas comuns
Funções
Original:
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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trunc
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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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Constantes de macros
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Macro constants
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Definido no cabeçalho <cmath>
float       trunc( float arg );
 (desde C++11)
double      trunc( double arg );
 (desde C++11)
long double trunc( long double arg );
 (desde C++11)
double      trunc( Integral arg );
 (desde C++11)
Calcula inteiro mais próximo não maior em magnitude do que arg.
Original:
Computes nearest integer not greater in magnitude than 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

Número inteiro mais próximo não maior em magnitude do que arg.
Original:
Nearest integer not greater in magnitude than arg.
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[[Image:
Valor de retorno
Original:
{{{2}}}
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|200x200px]]
Argument

[editar] Notas

O valor inteiro pode ser sempre representado pelo tipo de dado ponto flutuante.
Original:
The integer value can be always represented by the given floating point type.
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[editar] Veja também
número inteiro mais próximo não maior do que o valor especificado
Original:
nearest integer not greater than the given value
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(função) [edit]
número inteiro mais próximo, pelo menos, o valor dado
Original:
nearest integer not less than the given value
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(função) [edit]
(C++11)
(C++11)
(C++11)
número inteiro mais próximo de arredondamento, de zero em casos meio
Original:
nearest integer, rounding away from zero in halfway cases
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(função) [edit]
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