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std::div, std::ldiv, std::lldiv cppreference.com
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std::div, std::ldiv, std::lldiv

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Bibliothque Numerics
Fonctions mathmatiques courantes
Virgule flottante environnement
Nombres complexes
Tableaux numriques
La gnration de nombres pseudo-alatoires
Moment de la compilation arithmtique rationnelle (C++11)
Gnriques des oprations numriques
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Generic numeric operations
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iota (C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Fonctions mathmatiques courantes
{{{1}}}
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{{{2}}}
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Fonctions
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Functions
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Oprations 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 trigonomtriques 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 oprations 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)
 
<tbody> </tbody>
Dclar dans l'en-tte <cstdlib>
std::div_t div( int x, int y );
std::ldiv_t div( long x, long y );
std::lldiv_t div( long long x, long long y );
(depuis C++11)
std::ldiv_t ldiv( long x, long y );
std::lldiv_t lldiv( long long x, long long y );
(depuis C++11)
Dclar dans l'en-tte <cinttypes>
std::imaxdiv_t div( std::intmax_t x, std::intmax_t y );
(depuis C++11)
std::imaxdiv_t imaxdiv( std::intmax_t x, std::intmax_t y );
(depuis C++11)
Calcule le quotient (le rsultat de l'expression x/y) et le reste (le rsultat de l'expression x%y) simultanment. (depuis C++11)
Original:
Computes the quotient (the result of the expression x/y) and remainder (the result of the expression x%y) simultaneously. (depuis C++11)
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Calcule le quotient et le reste en mme temps. Le quotient est le quotient algbrique avec une partie fractionnaire mis au rebut (tronque vers zro). Le reste est telle que quot * y + rem == x. (avant C++11)
Original:
Computes quotient and remainder simultaneously. The quotient is the algebraic quotient with any fractional part discarded (truncated towards zero). The remainder is such that quot * y + rem == x. (avant C++11)
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Notes

Jusqu' ce que C + +11, la direction d'approximation du quotient et le signe du reste dans le haut-oprateurs de division et le reste a t dfinie par l'implmentation si l'une des oprandes est ngatif, mais il tait bien dfinie dans std::div .
Original:
Until C++11, the rounding direction of the quotient and the sign of the remainder in the built-in division and remainder operators was implementation-defined if either of the operands was negative, but it was well-defined in std::div.
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Paramtres

x, y -
des valeurs entires
Original:
integer values
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Retourne la valeur

Structure de type div_t, ldiv_t, ldiv_t, imaxdiv_t dfini comme suit:
Original:
Structure of type div_t, ldiv_t, ldiv_t, imaxdiv_t defined as:
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struct div_t {
    int quot;   // The quotient
    int rem;    // The remainder
};
     
struct ldiv_t {
    long quot;   // The quotient
    long rem;    // The remainder
};
     
struct lldiv_t {
    long long quot;   // The quotient
    long long rem;    // The remainder
};

struct imaxdiv_t {
    std::intmax_t quot;   // The quotient
    std::intmax_t rem;    // The remainder
};

Voir aussi

reste de l'opration de division virgule flottante
Original:
remainder of the floating point division operation
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(fonction) [edit]

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