nan, nanf, nanl
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| Defined 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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対応する静かなNaN値に実装定義の文字列
argに変換します。コールstd::nan("string")は、コールstd::strtod("NAN(string)", (char**)NULL);と同等です.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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[編集] パラメータ
| arg | - | 狭い文字列では、NaN、または空の文字列の内容を識別する
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. |
[編集] 値を返します
implemntationは静かなNaNをサポートしていない場合に識別する文字列
argまたはゼロに相当NaN値. 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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[編集] も参照してください
| (C99) |
与えられた番号かどうかをチェックするにはNaNになります 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. (関数) |
| C++ documentation for nan
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