Fonctions mathématiques communes — cppreference.com

Fonctions

Defined in header `<cmath>`
Opérations de base

abs(int) labs llabs imaxabs (C++11)	calcule la valeur absolue d'une valeur intégrale (\|x\|) Original: computes absolute value of an integral value (\|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]

abs(float) fabs	valeur absolue d'une valeur à virgule flottante (\|x\|) Original: absolute value of a floating point value (\|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]

div ldiv lldiv imaxdiv (C++11)	le quotient et le reste de la division entière Original: the quotient and remainder of integer division The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

fmod	reste de l'opération de division à virgule flottante Original: remainder of the floating point division operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

remainder (C++11)	signé reste de l'opération de division Original: signed remainder of the division operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

remquo (C++11)	signé reste ainsi que les trois derniers bits de l'opération de division Original: signed remainder as well as the three last bits of the division operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

fma (C++11)	fusionné multiply-add opération Original: fused multiply-add operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

fmax (C++11)	plus grande des deux valeurs à virgule flottante Original: larger of two floating point values The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

fmin (C++11)	plus petite des deux valeurs à virgule flottante Original: smaller of two floating point values The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

fdim (C++11)	différence positive de deux valeurs à virgule flottante (max(0, x-y)) Original: positive difference of two floating point values (max(0, x-y)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

nan nanf nanl (C++11) (C++11) (C++11)	pas-un nombre-(NaN) Original: not-a-number (NaN) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]
Fonctions exponentielles

exp	retours e à la puissance donnée (e^x) Original: returns e raised to the given power (e^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]

exp2 (C++11)	retours 2 élevé à la puissance donnée (2^x) Original: returns 2 raised to the given power (2^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]

expm1 (C++11)	retours e à la puissance donnée, moins un (e^x-1) Original: returns e raised to the given power, minus one (e^x-1) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

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) [edit]

log10	calcule commune (base 10) Logarithme (log₁₀(x)) Original: computes common (base 10) logarithm (log₁₀(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]

log1p (C++11)	logarithme naturel (à la base e) de 1, plus le nombre donné Original: natural logarithm (to base e) of 1 plus the given number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

log2 (C++11)	logarithme en base 2 d'un nombre donné Original: base 2 logarithm of the given number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]
Fonctions puissance

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) [edit]

cbrt (C++11)	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) [edit]

hypot (C++11)	calcule la racine carrée de la somme des carrés des deux nombres donnés (√x2 +y2 ) Original: computes square root of the sum of the squares of two given numbers (√x2 +y2 ) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

pow	soulève un certain nombre à la puissance donnée (x^y) Original: raises a number to the given power (x^y) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]
Fonctions trigonométriques

sin	sine calcule (sin(x)) Original: computes sine (sin(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]

cos	calcule en cosinus (cos(x)) Original: computes cosine (cos(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]

tan	calcule la tangente (tan(x)) Original: computes tangent (tan(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]

asin	arcsinus calcule (arcsin(x)) Original: computes arc sine (arcsin(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]

acos	calcule l'arc cosinus (arccos(x)) Original: computes arc cosine (arccos(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]

atan	calcule l'arc tangente (arctan(x)) Original: computes arc tangent (arctan(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]

atan2	arc tangente, en utilisant des signes pour déterminer quadrants Original: arc tangent, using signs to determine quadrants The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]
Fonctions hyperboliques

sinh	calcule sinus hyperbolique (sh(x)) Original: computes hyperbolic sine (sh(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]

cosh	calcule le cosinus hyperbolique (ch(x)) Original: computes hyperbolic cosine (ch(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]

tanh	tangente hyperbolique Original: hyperbolic tangent The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

asinh (C++11)	arc sinus hyperbolique Original: hyperbolic arc sine The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

acosh (C++11)	arc cosinus hyperbolique Original: hyperbolic arc cosine The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

atanh (C++11)	arctangente hyperbolique Original: hyperbolic arc tangent The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]
Fonctions erreurs et gamma

erf (C++11)	fonction d'erreur Original: error function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

erfc (C++11)	fonction d'erreur complémentaire Original: complementary error function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

lgamma (C++11)	logarithme naturel de la fonction gamma Original: natural logarithm of the gamma function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

tgamma (C++11)	fonction gamma Original: gamma function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]
Fonction d'entiers les plus proches

ceil	entier le plus proche n'est pas inférieure à la valeur donnée Original: nearest integer not less than the given value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

floor	entier le plus proche n'est pas supérieure à la valeur donnée Original: nearest integer not greater than the given value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

trunc (C++11)	entier le plus proche n'est pas supérieure en grandeur à la valeur donnée Original: nearest integer not greater in magnitude than the given value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

round lround llround (C++11) (C++11) (C++11)	entier le plus proche, arrondi en s'éloignant de zéro dans les cas de transition Original: nearest integer, rounding away from zero in halfway cases The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

nearbyint (C++11)	entier le plus proche en utilisant le mode d'arrondi courant Original: nearest integer using current rounding mode The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

rint lrint llrint (C++11) (C++11) (C++11)	entier le plus proche en utilisant le mode d'arrondi courant à l'exception si le résultat est différent Original: nearest integer using current rounding mode with exception if the result differs The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]
Fonctions de manipulation des nombres flottants

frexp	se décompose en un certain nombre mantisse et d'une puissance de `2` Original: decomposes a number into significand and a power of `2` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

ldexp	multiplie par un nombre `2` élevé à une puissance Original: multiplies a number by `2` raised to a power The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

modf	décompose un nombre en parties entières et fractionnaires Original: decomposes a number into integer and fractional parts The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

scalbn scalbln (C++11) (C++11)	multiplie par un nombre FLT_RADIX élevé à une puissance Original: multiplies a number by FLT_RADIX raised to a power The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

ilogb (C++11)	extrait exposant du nombre Original: extracts exponent of the number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

logb (C++11)	extrait exposant du nombre Original: extracts exponent of the number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

nextafter nexttoward (C++11) (C++11)	prochaine valeur représentable en virgule flottante vers la valeur donnée Original: next representable floating point value towards the given value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

copysign (C++11)	copie le signe d'une valeur à virgule flottante Original: copies the sign of a 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. (fonction) [edit]
Classification et comparaison

fpclassify (C++11)	catégorise la valeur du point donné flottante Original: categorizes the given 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. (fonction) [edit]

isfinite (C++11)	vérifie si le nombre donné a une valeur finie Original: checks if the given number has finite value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isinf (C++11)	vérifie si le nombre donné est infini Original: checks if the given number is infinite The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isnan (C++11)	vérifie si le nombre donné est NaN Original: checks if the given number is NaN The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isnormal (C++11)	vérifie si le nombre donné est normal Original: checks if the given number is normal The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

signbit (C++11)	vérifie si le nombre donné est négatif Original: checks if the given number is negative The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isgreater (C++11)	vérifie si le premier argument de virgule flottante est supérieure à la seconde Original: checks if the first floating-point argument is greater than the second The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isgreaterequal (C++11)	vérifie si le premier argument de virgule flottante est supérieure ou égale à la seconde Original: checks if the first floating-point argument is greater or equal than the second The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isless (C++11)	vérifie si le premier argument de virgule flottante est inférieure à la seconde Original: checks if the first floating-point argument is less than the second The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

islessequal (C++11)	vérifie si le premier argument de virgule flottante est inférieure ou égale à la seconde Original: checks if the first floating-point argument is less or equal than the second The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

islessgreater (C++11)	vérifie si le premier argument de virgule flottante est inférieure ou supérieure à la seconde Original: checks if the first floating-point argument is less or greater than the second The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isunordered (C++11)	vérifie si deux valeurs à virgule flottante ne sont pas ordonnés Original: checks if two floating-point values are unordered The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

Types

Defined in header `<cmath>`

`float_t`	type en virgule flottante de taille `float` le plus efficace

`double_t`	type en virgule flottante de taille `double` le plus efficace
Defined in header `<cstdlib>`

`div_t`	type structuré, type de retour de la fonction std::div

`ldiv_t`	type structuré, type de retour de la fonction std::ldiv

`lldiv_t`	type structuré, type de retour de la fonction `std::lldiv`
Defined in header `<cinttypes>`

`imaxdiv_t`	type structuré, type de retour de la fonction `std::imaxdiv`

Macro constantes

Defined in header `<cmath>`

HUGE_VALF HUGE_VAL HUGE_VALL (C++11) (C++11)	indique la valeur de débordement pour `float`, `double` et `long double` respectivement Original: indicates the overflow value for `float`, `double` and `long double` respectively The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (constante macro) [edit]

INFINITY (C++11)	Est évalué à l'infini positif ou la valeur garantissant le débordement d'un `float` (constante macro)

NAN (C++11)	Est évalué à un NaN (n'est pas un nombre) silencieux de type `float` type Original: evaluates to a quiet NaN of type `float` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (constante macro)

math_errhandling MATH_ERRNO MATH_ERREXCEPT (C++11) (C++11) (C++11)	définit le mécanisme de gestion des erreurs utilisée par les fonctions mathématiques courantes Original: defines the error handling mechanism used by the common mathematical functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (constante macro) [edit]
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.

FP_NORMAL FP_SUBNORMAL FP_ZERO FP_INFINITY FP_NAN (C++11) (C++11) (C++11) (C++11) (C++11)	l'indice d'une catégorie à virgule flottante Original: indicates a floating-point category The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (constante macro) [edit]
Defined in header `<cfloat>`

Fonctions mathématiques communes — cppreference.com

Fonctions

Opérations de base

Fonctions exponentielles

Fonctions puissance

Fonctions trigonométriques

Fonctions hyperboliques

Fonctions erreurs et gamma

Fonction d'entiers les plus proches

Fonctions de manipulation des nombres flottants

Classification et comparaison

Types

Macro constantes

ClassificationOriginal: ClassificationThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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.