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log1p

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C
 
Números
 
Funciones matemáticas comunes
Funciones
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Functions
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Operaciones básicas
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Basic operations
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(C99)
(C99)
(C99)
(C99)
(C99)
(C99)
(C99)(C99)(C99)
Funciones exponenciales
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Exponential functions
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(C99)
(C99)
log1p
(C99)
(C99)
Funciones de energía
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Power functions
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Funciones trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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(C99)
(C99)
(C99)
Error gamma y funciones
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Error and gamma functions
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(C99)
(C99)
(C99)
(C99)
Más cerca de las operaciones con enteros en coma flotante
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Nearest integer floating point operations
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(C99)(C99)(C99)
(C99)
(C99)
(C99)(C99)(C99)
Funciones de punto flotante de manipulación
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Floating point manipulation functions
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Clasificación
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Classification
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Constantes Macro
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Macro constants
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Definido en el archivo de encabezado <math.h>
float       log1pf( float arg );
 (desde C99)
double      log1p( double arg );
 (desde C99)
long double log1pl( long double arg );
 (desde C99)
Calcula el natural (base e) logaritmo de 1+arg. Esta función es más precisa que la expresión log(1+arg) si arg es cercana a cero .
Original:
Computes the natural (base e) logarithm of 1+arg. This function is more precise than the expression log(1+arg) if arg is close to zero.
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[editar] Parámetros

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

ln(1+arg)

Domain error se produce si arg es negativo. NAN se devuelve en ese caso .
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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 .
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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]
Documentación de C++ para log1p
Obtenido de «https://es.cppreference.com/mwiki/index.php?title=c/numeric/math/log1p&oldid=29771»