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scalbn, scalbln

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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)
(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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scalbnscalbln
(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 <cmath>
float       scalbnf( float x, int exp );
(desde C99)
double      scalbn( double x, int exp );
(desde C99)
long double scalbnl( long double x, int exp );
(desde C99)
float       scalblnf( float x, long exp );
(desde C99)
double      scalbln( double x, long exp );
(desde C99)
long double scalblnl( long double x, long exp );
(desde C99)
Multiplica un valor de punto flotante por x FLT_RADIX elevado a exp poder. El sistema binario es equivalente a ldexp() .
Original:
Multiplies an floating point value x by FLT_RADIX raised to power exp. On binary system it is equivalent to ldexp().
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[editar] Parámetros

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

Devoluciones x×FLT_RADIXexp .
Original:
Returns x×FLT_RADIXexp.
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Si el resultado es demasiado grande para el tipo subyacente, se produce error de rango y devuelve HUGE_VAL .
Original:
If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.
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[editar] Ver también

se descompone un número en mantisa y una potencia de 2
Original:
decomposes a number into significand and a power of 2
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(función) [editar]
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]