Espaços nominais
Variantes
Acções

copysign

Da cppreference.com
< 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
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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)
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       copysignf( float x, float y );
double      copysign( double x, double y );
long double copysignl( long double x, long double y );
Compõe um valor de ponto flutuante com a magnitude de x eo sinal de y.
Original:
Composes a floating point value with the magnitude of x and the sign of y.
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[editar] Parâmetros

x, y -
valores de ponto flutuante
Original:
floating point values
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[editar] Valor de retorno

Valor de ponto flutuante com a magnitude de x eo sinal de y
Original:
Floating point value with the magnitude of x and the sign of y
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[editar] Veja também

valor absoluto de um valor de ponto flutuante (|x|)
Original:
absolute value of a floating point 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]
C++ documentation for copysign