# FP_NORMAL, FP_SUBNORMAL, FP_ZERO, FP_INFINITE, FP_NAN

< 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
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Generic numeric operations
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 iota (C++11)
 accumulate
 inner_product
 partial_sum

Fonctions mathématiques courantes
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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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 abs(int)labsllabsimaxabs (C++11)
 abs(float)fabs
 divldivlldivimaxdiv (C++11)
 fmod
 remainder (C++11)
 remquo (C++11)
 fma (C++11)
 fmax (C++11)
 fmin (C++11)
 fdim (C++11)
 nannanfnanl (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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 sin
 cos
 tan
 asin
 acos
 atan
 atan2
 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
 roundlroundllround (C++11) (C++11) (C++11)
 trunc (C++11)
 nearbyint (C++11)
 rintlrintllrint (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
 scalbnscalbln (C++11) (C++11)
 ilogb (C++11)
 logb (C++11)
 frexp
 modf
 nextafternexttoward (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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 HUGE_VALFHUGE_VALHUGE_VALL (C++11) (C++11)
 INFINITY (C++11)
 nan (C++11)
 math_errhandlingMATH_ERRNOMATH_ERREXCEPT (C++11)
 FP_NORMALFP_SUBNORMALFP_ZEROFP_INFINITEFP_NAN (C++11) (C++11) (C++11) (C++11) (C++11)
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 Déclaré dans l'en-tête #define FP_NORMAL    /*implementation defined*/ (depuis C++11) #define FP_SUBNORMAL /*implementation defined*/ (depuis C++11) #define FP_ZERO      /*implementation defined*/ (depuis C++11) #define FP_INFINITE  /*implementation defined*/ (depuis C++11) #define FP_NAN       /*implementation defined*/ (depuis C++11)
Le `FP_NORMAL`, `FP_SUBNORMAL`, `FP_ZERO`, `FP_INFINITE`, `FP_NAN` macros représentent chacun une catégorie distincte de nombres à virgule flottante. Ils ont tous s'étendre à une expression constante entière .
Original:
The `FP_NORMAL`, `FP_SUBNORMAL`, `FP_ZERO`, `FP_INFINITE`, `FP_NAN` macros each represent a distinct category of floating-point numbers. They all expand to an integer constant expression.
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 Constante Original: Constant The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. Explanation `FP_NORMAL` indique que la valeur est normale', c'est à dire pas une infinité, inférieure à la normale, pas-a-number ou nulleOriginal: indicates that the value is normal, i.e. not an infinity, subnormal, not-a-number or zeroThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. `FP_SUBNORMAL` indique que la valeur est inférieure à la normale'Original: indicates that the value is subnormalThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. `FP_ZERO` indique que la valeur est zéro positif ou négatifOriginal: indicates that the value is positive or negative zeroThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. `FP_INFINITE` indique que la valeur n'est pas représentable par le type sous-jacent (infini positif ou négatif)Original: indicates that the value is not representable by the underlying type (positive or negative infinity)The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. `FP_NAN` indique que la valeur est non-nombre-(NaN)Original: indicates that the value is not-a-number (NaN)The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

### [modifier]Voir aussi

 fpclassify (C++11) catégorise la valeur du point donné flottante Original: categorizes the given floating point value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction)