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std::nextafter, std::nexttoward

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}}}
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{{{2}}}
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Fonctions
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Functions
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Opérations de base
Original:
Basic operations
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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
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Power functions
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sqrt
cbrt (C++11)
hypot (C++11)
pow
Les fonctions trigonométriques et hyperboliques
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh (C++11)
acosh (C++11)
atanh (C++11)
{{{1}}}
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{{{2}}}
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Erreur fonctions et gamma
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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
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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
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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)
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Defined in header <cmath>
float       nextafter( float from, float to );
(1) (depuis C++11)
double      nextafter( double from, double to );
(2) (depuis C++11)
long double nextafter( long double from, long double to );
(3) (depuis C++11)
Promoted    nextafter( Arithmetic from, Arithmetic to );
(4) (depuis C++11)
float       nexttoward( float from, long double to );
(5) (depuis C++11)
double      nexttoward( double from, long double to );
(6) (depuis C++11)
long double nexttoward( long double from, long double to );
(7) (depuis C++11)
double      nexttoward( Integral from, long double to );
(8) (depuis C++11)
Retourne la valeur suivante de from représentable dans le sens de to. Si from égal à to, to est retourné .
Original:
Returns the next representable value of from in the direction of to. If from equals to to, to is returned.
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4)
Si un argument est de type intégral, il est jeté à double. Si aucun autre argument est long double, puis le type de retour est long double, sinon il est double
Original:
If any argument has integral type, it is cast to double. If any other argument is long double, then the return type is long double, otherwise it is double
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[modifier] Paramètres

from, to -
valeurs à virgule flottante
Original:
floating point values
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[modifier] Retourne la valeur

la valeur suivante de from représentable dans le sens de to .
Original:
the next representable value of from in the direction of to.
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[modifier] Exemple