# pow

< c‎ | numeric‎ | math

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)

Funções matemáticas comuns
Funções
Original:
Functions
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Operações básicas
Original:
Basic operations
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 abslabsllabsimaxabs (C99)
 fabs
 divldivlldivimaxdiv (C99)
 fmod
 remainder (C99)
 remquo (C99)
 fma (C99)
 fmax (C99)
 fmin (C99)
 fdim (C99)
 nannanfnanl (C99)(C99)(C99)
Funções exponenciais
Original:
Exponential functions
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 exp
 exp2 (C99)
 expm1 (C99)
 log
 log10
 log1p (C99)
 log2 (C99)
Funções de poder
Original:
Power functions
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 sqrt
 cbrt (C99)
 hypot (C99)
 pow
Funções trigonométricas e hiperbólicas
Original:
Trigonometric and hyperbolic functions
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 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
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 erf (C99)
 erfc (C99)
 lgamma (C99)
 tgamma (C99)
Número inteiro mais próximo de operações de ponto flutuante
Original:
Nearest integer floating point operations
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 ceil
 floor
 roundlroundllround (C99)(C99)(C99)
 trunc (C99)
 nearbyint (C99)
 rintlrintllrint (C99)(C99)(C99)
Flutuando funções de manipulação de pontos
Original:
Floating point manipulation functions
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 ldexp
 scalbnscalbln (C99)(C99)
 ilogb (C99)
 logb (C99)
 frexp
 modf
 nextafternexttoward (C99)(C99)
 copysign (C99)
Classificação
Original:
Classification
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 fpclassify (C99)
 isfinite (C99)
 isinf (C99)
 isnan (C99)
 isnormal (C99)
 signbit (C99)
Constantes de macros
Original:
Macro constants
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 HUGE_VALFHUGE_VALHUGE_VALL (C99)(C99)
 FP_NORMALFP_SUBNORMALFP_ZEROFP_INFINITEFP_NAN (C99)(C99)(C99)(C99)(C99)

 Defined in header 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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### [editar]Parâmetros

 base - base como valor de ponto flutuanteOriginal: base as floating point valueThe 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 flutuanteOriginal: exponent as floating point valueThe 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 inteiroOriginal: exponent as integer valueThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

### [editar]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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### [editar]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