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nearbyint

De cppreference.com
< c‎ | numeric‎ | math

 
 
 
Fonctions mathématiques courantes
Fonctions
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Functions
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Opérations de base
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Basic operations
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remainder (C99)
remquo (C99)
fma (C99)
fmax (C99)
fmin (C99)
fdim (C99)
nan
nanf
nanl
(C99)
(C99)
(C99)
Les fonctions exponentielles
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Exponential functions
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exp
exp2 (C99)
expm1 (C99)
log
log10
log1p (C99)
log2 (C99)
Les fonctions de puissance
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Power functions
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sqrt
cbrt (C99)
hypot (C99)
pow
Les fonctions trigonométriques et hyperboliques
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh (C99)
acosh (C99)
atanh (C99)
Erreur fonctions et gamma
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Error and gamma functions
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erf (C99)
erfc (C99)
lgamma (C99)
tgamma (C99)
Entier le plus proche opérations en virgule flottante
Original:
Nearest integer floating point operations
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ceil
floor
round
lround
llround
(C99)
(C99)
(C99)
trunc (C99)
nearbyint (C99)
rint
lrint
llrint
(C99)
(C99)
(C99)
Flottant fonctions de manipulation de points
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Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb (C99)
logb (C99)
Classification
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Classification
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fpclassify (C99)
isfinite (C99)
isinf (C99)
isnan (C99)
isnormal (C99)
signbit (C99)
Macro constantes
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Macro constants
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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C99)
(C99)
(C99)
(C99)
(C99)
 
Defined in header <math.h>
float       nearbyintf( float arg );
double      nearbyint( double arg );
long double nearbyintl( long double arg );
Arrondit la arg argument en virgule flottante en une valeur entière en format à virgule flottante, en utilisant le mode d'arrondi en cours .
Original:
Rounds the floating-point argument arg to an integer value in floating-point format, using the current rounding mode.
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Sommaire

[modifier] Paramètres

arg -
valeur du point flottant
Original:
floating point value
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[modifier] Retourne la valeur

Le résultat entier de arg arrondis
Original:
The integer result of rounding arg
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[modifier] Notes

La seule différence entre nearbyint et rint est que rint peut soulever la FE_INEXACT exception de virgule flottante, tandis que nearbyint jamais elle soulève .
Original:
The only difference between nearbyint and rint is that rint may raise the FE_INEXACT floating-point exception, while nearbyint never raises it.
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[modifier] Exemple

[modifier] Voir aussi

(C99)
(C99)
(C99)
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
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(fonction) [edit]
(C99)
(C99)
(C99)
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
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(fonction) [edit]
obtient ou définit direction d'arrondi
Original:
gets or sets rounding direction
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(fonction) [edit]
C++ documentation for nearbyint