tgamma
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| Defined in header <math.h>
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| float tgammaf( float arg ); |
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| double tgamma( double arg ); |
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| long double tgammal( long double arg ); |
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ガンマ関数の
argを計算.Original:
Computes the ガンマ関数 of
arg.The text has been machine-translated via Google Translate.
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目次 |
[編集] パラメータ
| arg | - | 浮動小数点値
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. |
[編集] 値を返します
argです∫∞0targ-1
e-t dtのガンマ関数の値.
Original:
The value of the gamma function of
0targ-1
e-t dt.
arg, that is ∫∞0targ-1
e-t dt.
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argは自然数である場合、tgamma(arg)はarg-1の階乗です.Original:
If
arg is a natural number, tgamma(arg) is the factorial of arg-1.The text has been machine-translated via Google Translate.
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[編集] 例外
argが負の場合、ドメインエラーが発生することがありますとFE_INVALIDが発生する場合があります.Original:
If
arg is negative, domain error may occur and FE_INVALID may be raised.The text has been machine-translated via Google Translate.
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argがゼロの場合、極エラーが発生し、FE_DIVBYZEROが発生する場合があります.Original:
If
arg is zero, pole error may occur and FE_DIVBYZERO may be raised.The text has been machine-translated via Google Translate.
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argが大きすぎる場合、範囲エラーが発生することがありますとFE_OVERFLOWが発生する場合があります.Original:
If
arg is too large, range error may occur and FE_OVERFLOW may be raised.The text has been machine-translated via Google Translate.
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argが小さすぎる場合、範囲エラーが発生することがありますとFE_UNDERFLOWが発生する場合があります.Original:
If
arg is too small, range error may occur and FE_UNDERFLOW may be raised.The text has been machine-translated via Google Translate.
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[編集] ノート
引数が十分に小さい整数であれば多くの実装では、正確な整数ドメイン階乗を計算.
Original:
Many implementations calculate the exact integer-domain factorial if the argument is a sufficiently small integer.
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[編集] 例
| This section is incomplete Reason: no example |
[編集] も参照してください
| (C99) |
ガンマ関数の自然対数 Original: natural logarithm of the gamma function 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 tgamma
| |
[編集] 外部リンク
Weisstein, Eric W. "Gamma Function."MathWorldのから - WolframのWebリソース.
Original:
Weisstein, Eric W. "Gamma Function." From MathWorld--A Wolfram Web Resource.
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