Espaces de noms
Variantes
Affichages
Actions

std::pow

De cppreference.com
< cpp‎ | numeric‎ | math

 
 
Bibliothèque Numerics
Fonctions mathématiques courantes
Virgule flottante environnement
Nombres complexes
Tableaux numériques
La génération de nombres pseudo-aléatoires
Moment de la compilation arithmétique rationnelle (C++11)
Génériques des opérations numériques
Original:
Generic numeric operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
iota (C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Fonctions mathématiques courantes
{{{1}}}
Original:
{{{2}}}
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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.
remainder (C++11)
remquo (C++11)
fma (C++11)
fmax (C++11)
fmin (C++11)
fdim (C++11)
nan
nanf
nanl
(C++11)
(C++11)
(C++11)
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 (C++11)
expm1 (C++11)
log
log10
log1p (C++11)
log2 (C++11)
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 (C++11)
hypot (C++11)
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.
sinh
cosh
tanh
asinh (C++11)
acosh (C++11)
atanh (C++11)
{{{1}}}
Original:
{{{2}}}
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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 (C++11)
erfc (C++11)
lgamma (C++11)
tgamma (C++11)
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
(C++11)
(C++11)
(C++11)
trunc (C++11)
nearbyint (C++11)
rint
lrint
llrint
(C++11)
(C++11)
(C++11)
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
(C++11)
(C++11)
ilogb (C++11)
logb (C++11)
frexp
modf
nextafter
nexttoward
(C++11)
(C++11)
copysign (C++11)
Classification / Comparaison
Original:
Classification/Comparison
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
fpclassify (C++11)
isfinite (C++11)
isinf (C++11)
isnan (C++11)
isnormal (C++11)
signbit (C++11)
isgreater (C++11)
isgreaterequal (C++11)
isless (C++11)
islessequal (C++11)
islessgreater (C++11)
isunordered (C++11)
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.
FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
</div>
 
</div>
Defined in header <cmath>
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) (depuis C++11)
float       pow( float base, int iexp );
(5) (avant C++11)
double      pow( double base, int iexp );
(6) (avant C++11)
long double pow( long double base, int iexp );
(7) (avant C++11)
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
4)
Un ensemble de surcharges ou d'un modèle de fonction de toutes les combinaisons des arguments de type arithmétique ne sont pas couverts par 1-3). Si un argument est de type intégral, il est jeté à double. Si aucun argument n'est long double, le Promoted type de retour est également long double, sinon le type de retour est toujours 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.

Sommaire

[modifier] 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.

[modifier] Retourne la valeur

base soulevé par le pouvoir (ou exp iexp) .
Original:
base raised by power (exp or iexp).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifier] Notes

pow(float, int) retours float jusqu'à ce que C + +11 (surcharge par 5) mais revient double puisque le C + +11 (surcharge par 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.
You can help to correct and verify the translation. Click here for instructions.

[modifier] Voir aussi

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) [edit]
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) [edit]
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) [edit]
(C++11)
calcule la racine cubique (3x)
Original:
computes cubic root (3x)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction) [edit]
puissance complexe, une ou deux arguments peut être un nombre complexe
Original:
complex power, one or both arguments may be a complex number
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction générique) [edit]
applique la fonction à deux std::pow valarrays ou un valarray et une valeur
Original:
applies the function std::pow to two valarrays or a valarray and a value
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction générique) [edit]