Espaços nominais
Variantes
Acções

fabs

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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
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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)
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       fabsf( float arg );
double      fabs( double arg );
long double fabsl( long double arg );
Calcula o valor absoluto de um arg ponto flutuante valor.
Original:
Computes the absolute value of a floating point value arg.
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[editar] Parâmetros

arg -
flutuando valor de ponto
Original:
floating point value
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[editar] Valor de retorno

O valor absoluto de arg (|arg|)
Original:
The absolute value of arg (|arg|)
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[editar] Veja também

calcula o valor absoluto de um valor integral (|x|)
Original:
computes absolute value of an integral value (|x|)
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(função) [edit]
Verifica se o número dado é negativo
Original:
checks if the given number is negative
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(função) [edit]