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std::abs(int), std::labs, std::llabs, std::imaxabs

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
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iota (C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Fonctions mathématiques courantes
{{{1}}}
Original:
{{{2}}}
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Fonctions
Original:
Functions
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Opérations de base
Original:
Basic operations
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abs(int)
labs
llabs
imaxabs



(C++11)
abs(float)
fabs
div
ldiv
lldiv
imaxdiv



(C++11)
fmod
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
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exp
exp2 (C++11)
expm1 (C++11)
log
log10
log1p (C++11)
log2 (C++11)
Les fonctions de puissance
Original:
Power functions
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sqrt
cbrt (C++11)
hypot (C++11)
pow
Les fonctions trigonométriques et hyperboliques
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh (C++11)
acosh (C++11)
atanh (C++11)
{{{1}}}
Original:
{{{2}}}
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Erreur fonctions et gamma
Original:
Error and gamma functions
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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
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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
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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
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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
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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 <cstdlib>
int       abs( int n );
long      abs( long n );
long long abs( long long n );
(depuis C++11)
long       labs( long n );
long long llabs( long long n );
(depuis C++11)
Defined in header <cinttypes>
(depuis C++11)
(depuis C++11)
Calcule la valeur absolue d'un nombre entier .
Original:
Computes the absolute value of an integer number.
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[modifier] Paramètres

n -
valeur entière
Original:
integer value
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[modifier] Retourne la valeur

la valeur absolue de n (i.e. |n|)
Original:
the absolute value of n (i.e. |n|)
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[modifier] Voir aussi

valeur absolue d'une valeur à virgule flottante (|x|)
Original:
absolute value of a floating point value (|x|)
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(fonction) [edit]
renvoie l'amplitude d'un nombre complexe
Original:
returns the magnitude of a complex number
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(fonction générique) [edit]
applique la fonction std::abs à chaque élément de valarray
Original:
applies the function std::abs to each element of valarray
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(fonction générique) [edit]