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log2

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< c‎ | numeric‎ | math
 
 
 
Funciones matemáticas comunes
Funciones
Original:
Functions
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Operaciones básicas
Original:
Basic operations
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(C99)
(C99)
(C99)
(C99)
(C99)
(C99)(C99)(C99)
Funciones exponenciales
Original:
Exponential functions
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(C99)
(C99)
(C99)
log2
(C99)
Funciones de energía
Original:
Power functions
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(C99)
(C99)
Funciones trigonométricas e hiperbólicas
Original:
Trigonometric and hyperbolic functions
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(C99)
(C99)
(C99)
Error gamma y funciones
Original:
Error and gamma functions
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(C99)
(C99)
(C99)
(C99)
Más cerca de las operaciones con enteros en coma flotante
Original:
Nearest integer floating point operations
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(C99)(C99)(C99)
(C99)
(C99)(C99)(C99)
Funciones de punto flotante de manipulación
Original:
Floating point manipulation functions
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(C99)(C99)
(C99)
(C99)
Clasificación
Original:
Classification
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(C99)
(C99)
(C99)
Constantes Macro
Original:
Macro constants
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Definido en la cabecera <math.h>
float       log2f( float arg );
(desde C99)
double      log2( double arg );
(desde C99)
long double log2l( long double arg );
(desde C99)
Calcula el logaritmo de base de 2 arg .
Original:
Computes the base 2 logarithm of arg.
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[editar] Parámetros

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

log
2
(arg)

Domain error se produce si arg es negativo. NAN se devuelve en ese caso .
Original:
Domain error occurs if arg is negative. NAN is returned in that case.
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Rango de error se produce si arg es 0. -HUGE_VAL se devuelve en ese caso .
Original:
Range error occurs if arg is 0. -HUGE_VAL is returned in that case.
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[editar] Ver también

calcula natural (base e) logaritmo (base e) (ln(x))
Original:
computes natural (base e) logarithm (to base e) (ln(x))
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(función) [editar]
calcula común (base 10') logaritmo (log10(x))
Original:
computes common (base 10) logarithm (log10(x))
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(función) [editar]