std::pow
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| Defined in header <cmath>
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| float pow( float base, float exp ); |
(1) | |
| double pow( double base, double exp ); |
(2) | |
| long double pow( long double base, long double exp ); |
(3) | |
| Promoted pow( Arithmetic base, Arithmetic exp ); |
(4) | (desde C++11) |
| float pow( float base, int iexp ); |
(5) | (até C++11) |
| double pow( double base, int iexp ); |
(6) | (até C++11) |
| long double pow( long double base, int iexp ); |
(7) | (até C++11) |
Calcula o valor de
4) base elevado à potência exp ou iexp.Original:
Computes the value of
base raised to the power exp or iexp.The text has been machine-translated via Google Translate.
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Um conjunto de sobrecargas ou um modelo de função para todas as combinações de argumentos do tipo aritmética não cobertos por 1-3). Se algum argumento tem tipo integral, ele é convertido para double. Se algum argumento é long double, então o
Promoted tipo de retorno é também long double, caso contrário, o tipo de retorno é sempre double.Original:
A set of overloads or a function template for all combinations of arguments of arithmetic type not covered by 1-3). If any argument has integral type, it is cast to double. If any argument is long double, then the return type
Promoted is also long double, otherwise the return type is always double.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Índice |
Parâmetros
| base | - | base como valor de ponto flutuante
Original: base as floating point value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| exp | - | expoente como valor de ponto flutuante
Original: exponent as floating point value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| iexp | - | expoente como valor inteiro
Original: exponent as integer value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Valor de retorno
base levantada pela corrente (ou exp iexp). Original:
base raised by power (exp or iexp). The text has been machine-translated via Google Translate.
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Domínio de erro ocorre se
base é 0 e exp é inferior ou igual a 0. NAN é devolvido em caso.Original:
Domain error occurs if
base is 0 and exp is less than or equal to 0. NAN is returned in that case.The text has been machine-translated via Google Translate.
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Domínio de erro ocorre se
base é negativo e exp não é um valor inteiro. NAN é devolvido em caso.Original:
Domain error occurs if
base is negative and exp is not an integer value. NAN is returned in that case.The text has been machine-translated via Google Translate.
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Faixa de erro ocorre se um estouro ocorre. HUGEVAL é devolvido em caso.
Original:
Range error occurs if an overflow takes place. HUGEVAL is returned in that case.
The text has been machine-translated via Google Translate.
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Notas
pow(float, int) retornos float até C + 11 (por sobrecarga 5), mas retorna double desde C + 11 (por sobrecarga 4)Original:
pow(float, int) returns float until C++11 (per overload 5) but returns double since C++11 (per overload 4)The text has been machine-translated via Google Translate.
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