std::isunordered — cppreference.com

De cppreference.com

Déclaré dans l'en-tête `<cmath>`
`bool isunordered( float x, float y );`		(depuis C++11)
`bool isunordered( double x, double y );`		(depuis C++11)
`bool isunordered( long double x, long double y );`		(depuis C++11)

Détermine si les nombres à virgule flottante x et y ne sont pas ordonnés, c'est-à-un ou les deux sont NaN et ne peut donc être valablement comparés les uns aux autres .

Original:

Determines if the floating point numbers x and y are unordered, that is, one or both are NaN and thus cannot be meaningfully compared with each other.

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Paramètres

x	-	valeur du point flottant Original: 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.
y	-	valeur du point flottant Original: 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.

Retourne la valeur

true si l'une ou x y est NaN, false autrement

Original:

true if either x or y is NaN, false otherwise

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Voir aussi


	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) [edit]

	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]

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