std::log1p

 

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Funciones Original: Functions 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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abs(int) labs llabs imaxabs (C++11) abs(float) fabs div ldiv lldiv imaxdiv (C++11) fmod	remainder (C++11) remquo (C++11) fma (C++11) fmax (C++11) fmin (C++11) fdim (C++11) nan nanf nanl (C++11) (C++11) (C++11)
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HUGE_VALF HUGE_VAL HUGE_VALL (C++11) (C++11) INFINITY (C++11) NAN (C++11) math_errhandling MATH_ERRNO MATH_ERREXCEPT (C++11)	FP_NORMAL FP_SUBNORMAL FP_ZERO FP_INFINITE FP_NAN (C++11) (C++11) (C++11) (C++11) (C++11)

 

Defined in header <cmath>
float       log1p( float arg );		(desde C++11)
double      log1p( double arg );		(desde C++11)
long double log1p( long double arg );		(desde C++11)
double      log1p( Integral arg );		(desde C++11)

Calcula el natural (base e) logaritmo de 1+arg. Esta función es más precisa que la expresión std::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 std::log(1+arg) if arg is close to zero.

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Parámetros

arg

-

flotando valor en puntos 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.

Valor de retorno

ln(1+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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Ver también

log	calcula natural (base e) logaritmo (base e) (ln(x)) Original: computes natural (base e) logarithm (to base e) (ln(x)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)
expm1 (C++11)	regresa e elevado a la potencia dada, menos uno (ex-1) Original: returns e raised to the given power, minus one (ex-1) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)
log10	calcula común (base 10') logaritmo (log10(x)) Original: computes common (base 10) logarithm (log10(x)) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)
log2 (C++11)	logaritmo en base 2 del número dado Original: base 2 logarithm of the given number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)