std::frexp

 

C++

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Floating-point medio ambiente

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Genéricos operaciones numéricas Original: Generic numeric operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iota (C++11)

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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.
Operaciones básicas Original: Basic operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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)
Funciones exponenciales Original: Exponential functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
exp exp2 (C++11) expm1 (C++11)	log log10 log1p (C++11) log2 (C++11)
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ceil floor round lround llround (C++11) (C++11) (C++11)	trunc (C++11) nearbyint (C++11) rint lrint llrint (C++11) (C++11) (C++11)
Funciones de punto flotante de manipulación Original: Floating point manipulation functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ldexp scalbn scalbln (C++11) (C++11) ilogb (C++11) logb (C++11)	frexp modf nextafter nexttoward (C++11) (C++11) copysign (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       frexp( float arg, int* exp );
double      frexp( double arg, int* exp );
long double frexp( long double arg, int* exp );
double      frexp( Integral arg, int* exp );		(desde C++11)

Se descompone determinado valor de punto flotante de mantisa y exponente .

Original:

Decomposes given floating point value to significand and exponent.

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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.
exp	-	puntero al valor entero para almacenar el exponente al Original: pointer to integer value to store the exponent to 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

mantisa del número de coma flotante dada en el intervalo de [0.5; 1). El exponente se pone en valor entero apuntado por exp .

Original:

significand of the given floating point number in the range of [0.5; 1). The exponent is put into integer value pointed to by exp.

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Ver también

ldexp	multiplica un número por 2 elevado a una potencia Original: multiplies a number by 2 raised to a power The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)
logb (C++11)	extrae exponente de la serie Original: extracts exponent of the number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)
ilogb (C++11)	extrae exponente de la serie Original: extracts exponent of the number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)
modf	se descompone un número en parte entera y fraccionaria Original: decomposes a number into integer and fractional parts The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función)