Espaços nominais
Variantes
Acções

atan

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< c‎ | numeric‎ | math

 
 
 
Funções matemáticas comuns
Funções
Original:
Functions
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Operações básicas
Original:
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
Original:
Power functions
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sqrt
cbrt(C99)
hypot(C99)
pow
Funções trigonométricas e hiperbólicas
Original:
Trigonometric and hyperbolic functions
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sinh
cosh
tanh
asinh(C99)
acosh(C99)
atanh(C99)
Erro e funções gamma
Original:
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
Original:
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
Original:
Floating point manipulation functions
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ldexp
scalbn
scalbln
(C99)
(C99)
ilogb(C99)
logb(C99)
Classificação
Original:
Classification
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fpclassify(C99)
isfinite(C99)
isinf(C99)
isnan(C99)
isnormal(C99)
signbit(C99)
Constantes de macros
Original:
Macro constants
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Defined in header <math.h>
float       atanf( float arg );
double      atan( double arg );
long double atanl( long double arg );
Calcula arco tangente de arg
Original:
Computes arc tangent of arg
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[editar] Parâmetros

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

Arco tangente de arg em radianos no intervalo de [-π/2; π/2] radianos.
Original:
Arc tangent of arg in radians in the range of [-π/2; π/2] radians.
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[editar] Veja também

arco tangente, usando sinais para determinar quadrantes
Original:
arc tangent, using signs to determine quadrants
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(função) [edit]
calcula arco seno (arcsin(x))
Original:
computes arc sine (arcsin(x))
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(função) [edit]
calcula arco cosseno (arccos(x))
Original:
computes arc cosine (arccos(x))
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(função) [edit]
calcula tangente (tan(x))
Original:
computes tangent (tan(x))
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(função) [edit]