Espaços nominais
Variantes
Acções

frexp

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< c‎ | numeric‎ | math

 
 
 
Funções matemáticas comuns
Funções
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Functions
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Operações 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)
Funções exponenciais
Original:
Exponential functions
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exp
exp2(C99)
expm1(C99)
log
log10
log1p(C99)
log2(C99)
Funções de poder
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Power functions
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sqrt
cbrt(C99)
hypot(C99)
pow
Funções trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
Erro e funções gamma
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Error and gamma functions
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erf(C99)
erfc(C99)
lgamma(C99)
tgamma(C99)
Número inteiro mais próximo de operações de ponto flutuante
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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)
Flutuando funções de manipulação de pontos
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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)
Classificação
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Classification
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fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
Constantes de macros
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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 );
Decompõe-se o valor determinado ponto flutuante para significand e expoente.
Original:
Decomposes given floating point value to significand and exponent.
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[editar] Parâmetros

arg -
flutuando valor de ponto
Original:
floating point value
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exp -
ponteiro para valor inteiro para armazenar o expoente a
Original:
pointer to integer value to store the exponent to
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[editar] Valor de retorno

Significando o número de ponto flutuante dado na gama de [0.5; 1). O expoente é colocado em valor inteiro apontado 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] Veja também

multiplica um número por 2 elevado a uma potência
Original:
multiplies a number by 2 raised to a power
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(função) [edit]
(C99)
extrai expoente do número
Original:
extracts exponent of the number
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(função) [edit]
(C99)
extrai expoente do número
Original:
extracts exponent of the number
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(função) [edit]
decompõe um número em partes inteira e fracionária
Original:
decomposes a number into integer and fractional parts
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(função) [edit]