Espaços nominais
Variantes
Acções

rint, lrint, llrint

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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
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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>
int rintf( float arg );
int rint( double arg );
int rintl( long double arg );
long lrintf( float arg );
long lrint( double arg );
long lrintl( long double arg );
long long llrintf( float arg );
long long llrint( double arg );
long long llrintl( long double arg );
Arredonda o arg argumento de ponto flutuante para um valor inteiro no formato de ponto flutuante, usando o modo de arredondamento atual. Se o resultado difere do arg (isto é, não foi arg um valor inteiro já), o FE_INEXACT exceção de ponto flutuante é levantada.
Original:
Rounds the floating-point argument arg to an integer value in floating-point format, using the current rounding mode. If the result differs from arg (i.e., arg was not an integer value already), the floating-point exception FE_INEXACT is raised.
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Índice

[editar] Parâmetros

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

O resultado inteiro do arg arredondamento
Original:
The integer result of rounding arg
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[editar] Notas

A única diferença entre nearbyint e rint é que rint pode aumentar o FE_INEXACT exceção de ponto flutuante, sem nunca nearbyint levanta-lo.
Original:
The only difference between nearbyint and rint is that rint may raise the FE_INEXACT floating-point exception, while nearbyint never raises it.
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[editar] Exemplo

[editar] Veja também

número inteiro mais próximo utilizando o modo de arredondamento correntes
Original:
nearest integer using current rounding mode
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(função) [edit]
(C99)
número inteiro mais próximo não maior em magnitude do que o valor dado
Original:
nearest integer not greater in magnitude than the given value
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(função) [edit]