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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
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh (C99)
acosh (C99)
atanh (C99)
Erreur fonctions et gamma
Original:
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
Original:
Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb (C99)
logb (C99)
frexp
modf
nextafter
nexttoward
(C99)
(C99)
copysign (C99)
Classification
Original:
Classification
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fpclassify (C99)
isfinite (C99)
isinf (C99)
isnan (C99)
isnormal (C99)
signbit (C99)
Macro constantes
Original:
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       modff( float x, float* iptr );
double      modf( double x, double* iptr );
long double modfl( long double x, long double* iptr );
Se décompose donné flottant x valeur du point en parties intégraux et fractionnaires, chacun ayant le même type et le signe que x. La partie intégrante (en virgule flottante) sont stockées dans l'objet pointé par iptr .
Original:
Decomposes given floating point value x into integral and fractional parts, each having the same type and sign as x. The integral part (in floating-point format) is stored in the object pointed to by iptr.
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Sommaire

[modifier] Paramètres

arg -
valeur du point flottant
Original:
floating point value
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iptr -
pointeur sur valeur du point flottant pour stocker la partie intégrante de la
Original:
pointer to floating point value to store the integral part to
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[modifier] Retourne la valeur

La partie fractionnaire de x avec le même signe que x. La partie intégrante est placée dans la valeur pointée par iptr .
Original:
The fractional part of x with the same sign as x. The integral part is put into the value pointed to by iptr.
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[modifier] Exemple

[modifier] Voir aussi

(C99)
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
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(fonction) [edit]