std::complex

 

C++

Langage

Concepts

Bibliothèque d'utilitaires

Bibliothèque pour les chaînes de caractères

Bibliothèque de conteneurs

Bibliothèque d'algorithmes

Bibliothèque d'itérateurs

Bibliothèque pour le calcul numérique

Bibliothèque pour les entrées/sorties

Bibliothèque pour la régionalisation

Bibliothèque pour les expressions régulières (C++11)

Bibliothèque pour les opérations atomiques (C++11)

Bibliothèque pour les processus légers (threads) (C++11)

 

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

 

Nombres complexes

Les fonctions membres Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
complex::complex
complex::operator=
complex::real
complex::imag
complex::operator+= complex::operator-= complex::operator*= complex::operator/=
Tiers fonctions Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
operator== operator!=
operator<< operator>>
real
imag
abs
arg
norm
conj
proj (C++11)
polar
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
log
log10
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.
pow
sqrt
Les fonctions trigonométriques Original: Trigonometric 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 (C++11) acos (C++11) atan (C++11)
Fonctions hyperboliques Original: 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)

 

Déclaré dans l'en-tête <complex>
template<class T > class complex;//non définie	(1)
template<>class complex<float>;	(2)
template<>class complex<double>;	(3)
template<>class complex<longdouble>;	(4)

Les spécialisations de templates std::complex<float>, std::complex<double> et std::complex<longdouble> sont des types littéraux permettant de représenter et manipuler des nombres complexes.

Le résultat de l'instanciation d'un complex pour n'importe quel autre type n'est pas spécifié.

Types membres

Type membre	Définition
value_type	T

Fonctions membres

(constructeur)	construit un nombre complexe (fonction membre publique)
operator=	affecte le contenu Original: assigns the contents The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique)
real	accède à la partie réelle du nombre complexe Original: accesses the real part of the 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 membre publique)
imag	accède à la partie imaginaire du nombre complexe Original: accesses the imaginary part of the 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 membre publique)
operator+= operator-= operator/= operator*=	assignation composée de deux nombres complexes ou un complexe et un scalaire Original: compound assignment of two complex numbers or a complex and a scalar The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique)

Fonctions tiers

operator+ operator-	s'applique opérateurs unaires aux nombres complexes Original: applies unary operators to complex numbers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
operator+ operator- operator* operator/	effectue l'arithmétique sur les nombres complexes deux valeurs complexes ou d'un complexe et un scalaire Original: performs complex number arithmetics on two complex values or a complex and a scalar The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
operator== operator!=	compare deux nombres complexes ou un complexe et un scalaire Original: compares two complex numbers or a complex and a scalar The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
operator<< operator>>	sérialise et désérialise un nombre complexe Original: serializes and deserializes 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)
real	retourne le composant réel Original: returns the real component The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
imag	renvoie la partie imaginaire Original: returns the imaginary component The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
abs(std::complex)	renvoie l'amplitude d'un nombre complexe Original: returns the magnitude of 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)
arg	renvoie l'angle de phase Original: returns the phase angle The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
norm	retourne la norme au carré Original: returns the squared magnitude The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
conj	retourne le conjugué complexe Original: returns the complex conjugate The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
proj (C++11)	renvoie la projection sur la sphère de Riemann Original: returns the projection onto the Riemann sphere The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
polar	construit un nombre complexe de magnitude et de l'angle de phase Original: constructs a complex number from magnitude and phase angle The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
Fonctions exponentielles
exp(std::complex)	complex base e exponential (fonction générique)
log(std::complex)	complexe logarithme naturel avec les coupures de ramification le long de l'axe réel négatif Original: complex natural logarithm with the branch cuts along the negative real axis The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
log10(std::complex)	complexe logarithme commun avec les coupures de ramification le long de l'axe réel négatif Original: complex common logarithm with the branch cuts along the negative real axis The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
Fonctions puissance
pow(std::complex)	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)
sqrt(std::complex)	complexe racine carrée de l'ordre de la demi-plan droit Original: complex square root in the range of the right half-plane The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
Fonctions trigonométriques
sin(std::complex)	calcule sinus d'un nombre complexe (sin(z)) Original: computes sine of a complex number (sin(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
cos(std::complex)	calcule le cosinus d'un nombre complexe (cos(z)) Original: computes cosine of a complex number (cos(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
tan(std::complex)	calcule la tangente d'un nombre complexe (tan(z)) Original: computes tangent of a complex number (tan(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
asin(std::complex) (C++11)	calcule arc sinus d'un nombre complexe (arcsin(z)) Original: computes arc sine of a complex number (arcsin(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
acos(std::complex) (C++11)	calcule l'arc cosinus d'un nombre complexe (arccos(z)) Original: computes arc cosine of a complex number (arccos(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
atan(std::complex) (C++11)	calcule arc tangente d'un nombre complexe (arctan(z)) Original: computes arc tangent of a complex number (arctan(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
Fonctions hyperboliques
sinh(std::complex)	calcule sinus hyperbolique d'un nombre complexe (sh(z)) Original: computes hyperbolic sine of a complex number (sh(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
cosh(std::complex)	calcule le cosinus hyperbolique d'un nombre complexe (ch(z)) Original: computes hyperbolic cosine of a complex number (ch(z)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique)
tanh(std::complex)	calcule la tangente hyperbolique d'un nombre complexe Original: computes hyperbolic tangent of 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)
asinh(std::complex) (C++11)	arc sinus hyperbolique calcule d'un nombre complexe Original: computes hyperbolic arc sine of 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)
acosh(std::complex) (C++11)	calcule l'arc cosinus hyperbolique d'un nombre complexe Original: computes hyperbolic arc cosine of 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)
atanh(std::complex) (C++11)	calcule la tangente d'arc hyperbolique d'un nombre complexe Original: computes hyperbolic arc tangent of 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)