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std::islessequal

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
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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
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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
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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
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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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</div>
Defined in header <cmath>
bool islessequal( float x, float y );
(depuis C++11)
bool islessequal( double x, double y );
(depuis C++11)
bool islessequal( long double x, long double y );
(depuis C++11)
Détermine si le x nombre à virgule flottante est inférieure ou égale à la y nombre à virgule flottante, sans fixer exceptions de virgule flottante .
Original:
Determines if the floating point number x is less than or equal to the floating-point number y, without setting floating-point exceptions.
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Sommaire

[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

true si x <= y, false autrement
Original:
true if x <= y, false otherwise
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[modifier] Notes

Le operator<= intégré pour nombres à virgule flottante peuvent soulever FE_INVALID si l'un ou l'autre des arguments est NaN. Cette fonction est un "calme" version de operator<= .
Original:
The built-in operator<= for floating-point numbers may raise FE_INVALID if one or both of the arguments is NaN. This function is a "quiet" version of operator<=.
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[modifier] Voir aussi

objet-fonction implémentant x <= y
(classe générique) [edit]
vérifie si le premier argument de virgule flottante est supérieure ou égale à la seconde
Original:
checks if the first floating-point argument is greater or equal than the second
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(fonction) [edit]