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std::frexp

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< cpp‎ | numeric‎ | math

 
 
Numéricos biblioteca
Funciones matemáticas comunes
Floating-point medio ambiente
Los números complejos
Matrices numéricas
Pseudo-aleatoria de generación de números
En tiempo de compilación aritmética racional (C++11)
Genéricos operaciones numéricas
Original:
Generic numeric operations
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Funciones matemáticas comunes
Funciones
Original:
Functions
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Operaciones básicas
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Basic operations
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Funciones exponenciales
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Exponential functions
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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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Error gamma y funciones
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Error and gamma functions
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Más cerca de las operaciones con enteros en coma flotante
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Nearest integer floating point operations
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Funciones de punto flotante de manipulación
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Floating point manipulation functions
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frexp
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Clasificación / Comparación
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Classification/Comparison
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Constantes Macro
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Macro constants
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Definido en la cabecera <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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[editar] Parámetros

arg -
flotando valor en puntos
Original:
floating point value
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exp -
puntero al valor entero para almacenar el exponente al
Original:
pointer to integer value to store the exponent to
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[editar] 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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[editar] Ver también

multiplica un número por 2 elevado a una potencia
Original:
multiplies a number by 2 raised to a power
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(función) [editar]
(C++11)
extrae exponente de la serie
Original:
extracts exponent of the number
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(función) [editar]
(C++11)
extrae exponente de la serie
Original:
extracts exponent of the number
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(función) [editar]
se descompone un número en parte entera y fraccionaria
Original:
decomposes a number into integer and fractional parts
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(función) [editar]