hypot
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Fonctions mathématiques courantes
Fonctions
Original:
Functions
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Opérations de base
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Basic operations
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Les fonctions exponentielles
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Exponential functions
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Les fonctions de puissance
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Power functions
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Les fonctions trigonométriques et hyperboliques
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Trigonometric and hyperbolic functions
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Erreur fonctions et gamma
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Error and gamma functions
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Entier le plus proche opérations en virgule flottante
Original:
Nearest integer floating point operations
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Flottant fonctions de manipulation de points
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Floating point manipulation functions
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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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Déclaré dans l'en-tête <math.h>
float hypotf( float x, float y );
double hypot( double x, double y );
long double hypotl( long double x, long double y );
Calcule la racine carrée de la somme des carrés des
x
et y
, sans trop-plein indue ou négatif durant les étapes intermédiaires du calcul. Il s'agit de la longueur de l'hypoténuse d'un triangle rectangle dont les côtés sont de longueur et x
y
, ou la distance de la (x,y)
point à l'origine (0,0)
, ou l'amplitude d'un nombre complexe x+iy
Original:
Computes the square root of the sum of the squares of
x
and y
, without undue overflow or underflow at intermediate stages of the computation. This is the length of the hypotenuse of a right-angled triangle with sides of length x
and y
, or the distance of the point (x,y)
from the origin (0,0)
, or the magnitude of a complex number x+iy
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[modifier] Paramètres
x
-
valeur du point flottant
Original:
floating point value
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y
-
valeur du point flottant
Original:
floating point value
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[modifier] Retourne la valeur
L'hypoténuse d'un triangle rectangle, √x2
+y2
.
+y2
.
Original:
The hypotenuse of a right-angled triangle, √x2
+y2
.
+y2
.
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[modifier] Exceptions
Si le résultat déborde, une erreur d'intervalle peuvent se produire et FE_OVERFLOW peut être soulevée .
Original:
If the result overflows, a range error may occur and FE_OVERFLOW may be raised.
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Si le résultat est inférieur à la normale, une erreur peut se produire et underflow FE_UNDERFLOW peut être soulevée .
Original:
If the result is subnormal, an underflow error may occur and FE_UNDERFLOW may be raised.
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[modifier] Notes
Stratégie de mise en œuvre typique est de calculer un équivalent de u√1+(
où
v
u
)2où
u
est max(x,y) et v
est min(x,y) .Original:
Typical implementation strategy is to calculate an equivalent of u√1+(
where
v
u
)2where
u
is max(x,y) and v
is min(x,y).The text has been machine-translated via Google Translate.
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[modifier] Exemple
This section is incomplete
Reason: no example
Reason: no example
[modifier] Voir aussi
calcule la racine carrée (√x)
Original:
computes square root (√x)
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(fonction) [edit]
soulève un certain nombre à la puissance donnée (xy)
Original:
raises a number to the given power (xy)
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(fonction) [edit]
C++ documentation for hypot