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frexp

De cppreference.com
< c‎ | numeric‎ | math

 
 
 
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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remainder(C99)
remquo(C99)
fma(C99)
fmax(C99)
fmin(C99)
fdim(C99)
nan
nanf
nanl
(C99)
(C99)
(C99)
Funciones exponenciales
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Exponential functions
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exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
Funciones de energía
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Power functions
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sqrt
cbrt(C99)
hypot(C99)
pow
Funciones trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
Error gamma y funciones
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Error and gamma functions
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erf(C99)
erfc(C99)
lgamma(C99)
tgamma(C99)
Más cerca de las operaciones con enteros en coma flotante
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Nearest integer floating point operations
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ceil
floor
round
lround
llround
(C99)
(C99)
(C99)
trunc(C99)
nearbyint(C99)
rint
lrint
llrint
(C99)
(C99)
(C99)
Funciones de punto flotante de manipulación
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Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
frexp
modf
nextafter
nexttoward
(C99)
(C99)
copysign(C99)
Clasificación
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Classification
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fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
Constantes Macro
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Macro constants
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Defined in header <math.h>
float       frexpf( float arg, int* exp );
double      frexp( double arg, int* exp );
long double frexpl( long double arg, int* exp );
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) [edit]
(C99)
extrae exponente de la serie
Original:
extracts exponent of the number
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(función) [edit]
(C99)
extrae exponente de la serie
Original:
extracts exponent of the number
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(función) [edit]
se descompone un número en parte entera y fraccionaria
Original:
decomposes a number into integer and fractional parts
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(función) [edit]