lgamma
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| Elemento definito nell'header <math.h>
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| float lgammaf( float arg ); |
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| double lgamma( double arg ); |
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| long double lgammal( long double arg ); |
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Calcola il logaritmo naturale del valore assoluto della funzione gamma di
arg.Original:
Computes the natural logarithm of the absolute value of the funzione gamma of
arg.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Indice |
[modifica] Parametri
| arg | - | valore in virgola mobile
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. |
[modifica] Valore di ritorno
Il valore del logaritmo della funzione gamma di
e|∫∞
0targ-1
e-t dt|.
arg, che è loge|∫∞
0targ-1
e-t dt|.
Original:
The value of the logarithm of the gamma function of
e|∫∞
0targ-1
e-t dt|.
arg, that is loge|∫∞
0targ-1
e-t dt|.
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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Se
arg è un numero naturale, lgamma(arg) è il logaritmo del fattoriale di arg-1.Original:
If
arg is a natural number, lgamma(arg) is the logarithm of the factorial of arg-1.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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[modifica] Eccezioni
Se
arg è zero o un numero intero negativo, errore può verificarsi polo e FE_INVALID o FE_DIVBYZERO può essere sollevata.Original:
If
arg is zero or a negative integer, pole error may occur and FE_INVALID or FE_DIVBYZERO may be raised.The text has been machine-translated via Google Translate.
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Se
arg è troppo grande, l'errore può verificarsi gamma e FE_OVERFLOW può essere sollevata.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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[modifica] Note
POSIX specification richiede inoltre che ogni esecuzione del lgamma memorizza il segno della funzione gamma di
arg nel signgam variabile esterna.Original:
POSIX specification additionally requires that each execution of lgamma stores the sign of the gamma function of
arg in the external variable signgam.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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[modifica] Vedi anche
| (C99) |
funzione gamma Original: gamma function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) |
| C++ documentation for lgamma
| |
[modifica] Collegamenti esterni
Weisstein, Eric W. "Log Gamma Function." Da MathWorld - Una risorsa Web Wolfram.
Original:
Weisstein, Eric W. "Log Gamma Function." From MathWorld--A Wolfram Web Resource.
The text has been machine-translated via Google Translate.
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