pow

 

C

Linguagem

Digite apoio

Gerenciamento de memória dinâmica

De tratamento de erros

Utilidades do programa

Utilitários de data e hora

Biblioteca cordas

Algoritmos

Numéricos

Entrada / saída de apoio

Suporte de localização

Apoio discussão (C11)

Operações atômicas (C11)

 

Numéricos

Funções matemáticas comuns

De ponto flutuante ambiente

Complex number arithmetics

Geração de números aleatórios

Tipo genérico de matemática

 

Funções matemáticas comuns

Funções Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Operações básicas Original: Basic operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
abs labs llabs imaxabs (C99) fabs div ldiv lldiv imaxdiv (C99) fmod	remainder (C99) remquo (C99) fma (C99) fmax (C99) fmin (C99) fdim (C99) nan nanf nanl (C99) (C99) (C99)
Funções exponenciais Original: Exponential functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
exp exp2 (C99) expm1 (C99)	log log10 log1p (C99) log2 (C99)
Funções de poder Original: Power functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
sqrt cbrt (C99)	hypot (C99) pow
Funções trigonométricas e hiperbólicas Original: Trigonometric and hyperbolic functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
sin cos tan asin acos atan atan2	sinh cosh tanh asinh (C99) acosh (C99) atanh (C99)
Erro e funções gamma Original: Error and gamma functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
erf (C99) erfc (C99)	lgamma (C99) tgamma (C99)
Número inteiro mais próximo de operações de ponto flutuante Original: Nearest integer floating point operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ceil floor round lround llround (C99) (C99) (C99)	trunc (C99) nearbyint (C99) rint lrint llrint (C99) (C99) (C99)
Flutuando funções de manipulação de pontos Original: Floating point manipulation functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ldexp scalbn scalbln (C99) (C99) ilogb (C99) logb (C99)	frexp modf nextafter nexttoward (C99) (C99) copysign (C99)
Classificação Original: Classification The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fpclassify (C99)
isfinite (C99)
isinf (C99)
isnan (C99)
isnormal (C99)
signbit (C99)
Constantes de macros Original: Macro constants The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
HUGE_VALF HUGE_VAL HUGE_VALL (C99) (C99)	FP_NORMAL FP_SUBNORMAL FP_ZERO FP_INFINITE FP_NAN (C99) (C99) (C99) (C99) (C99)

 

Defined in header <math.h>
float       powf( float base, float exp );
double      pow( double base, double exp );
long double powl( long double base, long double exp );

Calcula o valor de base elevado à potência exp ou iexp.

Original:

Computes the value of base raised to the power exp or iexp.

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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).

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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.

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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.

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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.

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Veja também

exp	retorna e elevado à potência dada (ex) Original: returns e raised to the given power (ex) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função)
log	calcula natural (base e) logaritmo (de base e) (ln(x)) Original: computes natural (base e) logarithm (to base e) (ln(x)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função)
sqrt	Calcula a raiz quadrada (√x) Original: computes square root (√x) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função)
cbrt (C99)	Calcula a raiz cúbica (3√x) Original: computes cubic root (3√x) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função)
C++ documentation for pow