pow

 

C

Langue

Tapez soutien

La gestion dynamique de la mémoire

Erreur de manipulation

Programme des services publics

Utilitaires date et l'heure

Bibliothèque cordes

Algorithmes

Numerics

D'entrée / sortie de support

Support de localisation

Le support des threads (C11)

Les opérations atomiques (C11)

 

Numerics

Fonctions mathématiques courantes

Virgule flottante environnement

Complex number arithmetics

Génération de nombres aléatoires

Type générique mathématiques

 

Fonctions mathématiques courantes

Fonctions Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Opérations de base 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)
Les fonctions exponentielles 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)
Les fonctions de puissance 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
Les fonctions trigonométriques et hyperboliques 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)
Erreur fonctions et 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)
Entier le plus proche opérations en virgule flottante 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)
Flottant fonctions de manipulation de points 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)
Classification 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)
Macro constantes 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 );

Calcule la valeur de base élevé à la puissance exp ou iexp .

Original:

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

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Paramètres

base	-	de base comme valeur à virgule flottante 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	-	exposant comme valeur à virgule flottante 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	-	exposant comme valeur entière 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.

Retourne la valeur

base soulevé par le pouvoir (ou exp iexp) .

Original:

base raised by power (exp or iexp).

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Erreur de domaine se produit si base est 0 et exp est inférieure ou égale à ​0​. NAN est retourné dans ce cas .

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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Erreur de domaine se produit si base est négatif et exp n'est pas une valeur entière. NAN est retourné dans ce cas .

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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Erreur d'intervalle se produit si un débordement se produit. HUGEVAL est retourné dans ce cas .

Original:

Range error occurs if an overflow takes place. HUGEVAL is returned in that case.

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Voir aussi

exp	retours e à la puissance donnée (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. (fonction)
log	calcule naturel (base e) logarithme (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. (fonction)
sqrt	calcule la racine carrée (√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. (fonction)
cbrt (C99)	calcule la racine cubique (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. (fonction)
C++ documentation for pow