nan, nanf, nanl
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Fonctions mathématiques courantes
Fonctions
Original:
Functions
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Opérations de base
Original:
Basic operations
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Les fonctions exponentielles
Original:
Exponential functions
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Les fonctions de puissance
Original:
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
Original:
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
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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Déclaré dans l'en-tête <math.h>
float nanf( const char* arg );
double nan( const char* arg );
long double nanl( const char* arg );
Convertit la mise en œuvre définies par
arg chaîne de caractères dans la valeur NaN correspondant calme. La std::nan("string") appel est équivalent à la std::strtod ("NAN(string)", (char**)NULL ); appel .Original:
Converts the implementation-defined character string
arg into the corresponding quiet NaN value. The call std::nan("string") is equivalent to the call std::strtod ("NAN(string)", (char**)NULL );.The text has been machine-translated via Google Translate.
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[modifier] Paramètres
arg
-
chaîne de caractères identifiant étroite le contenu d'un NaN, ou une chaîne vide
Original:
narrow character string identifying the contents of a NaN, or an empty string
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[modifier] Retourne la valeur
La valeur NaN qui correspond à la chaîne de caractères identifiant
arg ou zéro si la implemntation ne supporte pas NaN silencieux . Original:
The NaN value that corresponds to the identifying string
arg or zero if the implemntation does not support quiet NaNs. The text has been machine-translated via Google Translate.
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[modifier] Voir aussi
(C99)
vérifie si le nombre donné est NaN
Original:
checks if the given number is NaN
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(fonction) [edit]
C++ documentation for nan