nan, nanf, nanl
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| definiert in Header <math.h>
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| float nanf( const char* arg ); |
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| double nan( const char* arg ); |
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| long double nanl( const char* arg ); |
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Konvertiert die Implementierung definiert Zeichenkette
arg in die entsprechende ruhigen NaN Wert. Der Anruf std::nan("string") entspricht dem Anruf std::strtod("NAN(string)", (char**)NULL); .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.
You can help to correct and verify the translation. Click here for instructions.
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[Bearbeiten] Parameter
| arg | - | schmale Zeichenfolge, die den Inhalt einer NaN oder einer leeren Zeichenfolge
Original: narrow character string identifying the contents of a NaN, or an empty string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[Bearbeiten] Rückgabewert
Der Wert NaN, die zur Identifizierung von String
arg oder Null entspricht, wenn die implemntation nicht unterstützt ruhigen NaNs . 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.
You can help to correct and verify the translation. Click here for instructions.
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[Bearbeiten] Siehe auch
| (C99) |
prüft, ob die angegebene Zahl ist 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. (Funktion) |
| C++ documentation for nan
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