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isfinite

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< c‎ | numeric‎ | math

 
 
 
Fonctions mathématiques courantes
Fonctions
Original:
Functions
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Opérations de base
Original:
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
Original:
Exponential functions
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exp
exp2 (C99)
expm1 (C99)
log
log10
log1p (C99)
log2 (C99)
Les fonctions de puissance
Original:
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
Original:
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>
#define isfinite(arg) /* implementation defined */
Détermine si la donnée arg nombre à virgule flottante a une valeur finie à-dire qu'il est normal, inférieur à la normale ou zéro, mais pas infinie ou NAN. La macro renvoie une valeur entière .
Original:
Determines if the given floating point number arg has finite value i.e. it is normal, subnormal or zero, but not infinite or NAN. The macro returns an integral value.
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[modifier] Paramètres

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

Non nulle valeur intégrale si arg a une valeur finie, 0 autrement .
Original:
Nonzero integral value if arg has finite value, 0 otherwise.
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[modifier] Voir aussi

catégorise la valeur du point donné flottante
Original:
categorizes the given floating point value
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(fonction) [edit]
(C99)
vérifie si le nombre donné est infini
Original:
checks if the given number is infinite
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(fonction) [edit]
(C99)
vérifie si le nombre donné est NaN
Original:
checks if the given number is NaN
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(fonction) [edit]
(C99)
vérifie si le nombre donné est normal
Original:
checks if the given number is normal
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(fonction) [edit]
C++ documentation for isfinite