lgamma
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| Déclaré dans l'en-tête <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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Calcule le logarithme naturel de la valeur absolue de la fonction gamma de
arg .Original:
Computes the natural logarithm of the absolute value of the fonction 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.
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Sommaire |
[modifier] Paramètres
| arg | - | 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. |
[modifier] Retourne la valeur
La valeur du logarithme de la fonction de gamma d'
e|∫∞
0targ-1
e-t dt| .
arg, qui est 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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Si
arg est un nombre naturel, lgamma(arg) est le logarithme de la factorielle de 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.
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[modifier] Exceptions
Si
arg est zéro ou un entier négatif, une erreur peut se produire pôle et FE_INVALID ou FE_DIVBYZERO peut être soulevée .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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Si
arg est trop grande, l'erreur peut se produire plage et FE_OVERFLOW peut être soulevée .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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[modifier] Notes
POSIX specification nécessite en outre que chaque exécution de lgamma stocke le signe de la fonction gamma d'
arg dans la variable externe signgam .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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[modifier] Voir aussi
| (C99) |
fonction 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. (fonction) |
| C++ documentation for lgamma
| |
[modifier] Liens externes
Weisstein, Eric W. "Log Gamma Function." De MathWorld - Une ressource Web Wolfram .
Original:
Weisstein, Eric W. "Log Gamma Function." From MathWorld--A Wolfram Web Resource.
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