std::fpclassify — cppreference.com

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Déclaré dans l'en-tête `<cmath>`
`int fpclassify( float arg );`		(depuis C++11)
`int fpclassify( double arg );`		(depuis C++11)
`int fpclassify( long double arg );`		(depuis C++11)

Classe flottante arg valeur du point dans les catégories suivantes: zéro, inférieures à la normale, normale, infini, NAN, ou définie par l'implémentation catégorie .

Original:

Categorizes floating point value arg into the following categories: zero, subnormal, normal, infinite, NAN, or implementation-defined category.

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Paramètres

arg

valeur du point flottant

Original:

floating point value

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Retourne la valeur

l'un des FP_INFINITE, FP_NAN, FP_NORMAL, FP_SUBNORMAL, FP_ZERO ou définie par l'implémentation type, précisant la catégorie de arg .

Original:

one of FP_INFINITE, FP_NAN, FP_NORMAL, FP_SUBNORMAL, FP_ZERO or implementation-defined type, specifying the category of arg.

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Voir aussi


isfinite (C++11)	vérifie si le nombre donné a une valeur finie Original: checks if the given number has finite value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isinf (C++11)	vérifie si le nombre donné est infini Original: checks if the given number is infinite The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isnan (C++11)	vérifie si le nombre donné est NaN Original: checks if the given number is NaN The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

isnormal (C++11)	vérifie si le nombre donné est normal Original: checks if the given number is normal The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) [edit]

numeric_limits	fournit une interface pour les propriétés de la requête de tous les types fondamentaux numériques . Original: provides an interface to query properties of all fundamental numeric types. The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe générique) [edit]

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