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lgamma

De cppreference.com
< c‎ | numeric‎ | math

 
 
 
Funciones matemáticas comunes
Funciones
Original:
Functions
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Operaciones básicas
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Basic operations
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remainder(C99)
remquo(C99)
fma(C99)
fmax(C99)
fmin(C99)
fdim(C99)
nan
nanf
nanl
(C99)
(C99)
(C99)
Funciones exponenciales
Original:
Exponential functions
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exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
Funciones de energía
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Power functions
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sqrt
cbrt(C99)
hypot(C99)
pow
Funciones trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
Error gamma y funciones
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Error and gamma functions
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erf(C99)
erfc(C99)
lgamma(C99)
tgamma(C99)
Más cerca de las operaciones con enteros en coma flotante
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Nearest integer floating point operations
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ceil
floor
round
lround
llround
(C99)
(C99)
(C99)
trunc(C99)
nearbyint(C99)
rint
lrint
llrint
(C99)
(C99)
(C99)
Funciones de punto flotante de manipulación
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Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
Clasificación
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Classification
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fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
Constantes Macro
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Macro constants
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Defined in header <math.h>
float       lgammaf( float arg );
double      lgamma( double arg );
long double lgammal( long double arg );
Calcula el logaritmo natural del valor absoluto de la gamma función de arg .
Original:
Computes the natural logarithm of the absolute value of the gamma función of arg.
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Contenido

[editar] Parámetros

arg -
flotando valor en puntos
Original:
floating point value
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[editar] Valor de retorno

El valor del logaritmo de la función gamma de arg, que es log
e
|
0
targ-1
e-t dt|
.
Original:
The value of the logarithm of the gamma function of arg, that is log
e
|
0
targ-1
e-t dt|
.
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Si arg es un número natural, lgamma(arg) es el logaritmo de la factorial de arg-1 .
Original:
If arg is a natural number, lgamma(arg) is the logarithm of the factorial of arg-1.
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[editar] Excepciones

Si arg es cero o un entero negativo, polo error puede ocurrir y FE_INVALID o FE_DIVBYZERO haber erupción .
Original:
If arg is zero or a negative integer, pole error may occur and FE_INVALID or FE_DIVBYZERO may be raised.
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Si arg es demasiado grande, el error de rango se puede producir y puede ser levantado FE_OVERFLOW .
Original:
If arg is too large, range error may occur and FE_OVERFLOW may be raised.
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[editar] Notas

POSIX specification requiere además que cada ejecución de lgamma almacena el signo de la función gamma de arg en la signgam variable externa .
Original:
POSIX specification additionally requires that each execution of lgamma stores the sign of the gamma function of arg in the external variable signgam.
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[editar] Ver también

(C99)
gamma función
Original:
gamma function
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(función) [edit]

[editar] Enlaces externos

Weisstein, Eric W. "Log Gamma Function." De MathWorld - Un recurso del Web Wolfram .
Original:
Weisstein, Eric W. "Log Gamma Function." From MathWorld--A Wolfram Web Resource.
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