Espacios de nombres
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std::nan, std::nanf, std::nanl

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< cpp‎ | numeric‎ | math

 
 
Numéricos biblioteca
Funciones matemáticas comunes
Floating-point medio ambiente
Los números complejos
Matrices numéricas
Pseudo-aleatoria de generación de números
En tiempo de compilación aritmética racional (C++11)
Genéricos operaciones numéricas
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Funciones matemáticas comunes
Funciones
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Functions
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Operaciones básicas
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Basic operations
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remainder(C++11)
remquo(C++11)
fma(C++11)
fmax(C++11)
fmin(C++11)
fdim(C++11)
nan
nanf
nanl
(C++11)
(C++11)
(C++11)
Funciones exponenciales
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Exponential functions
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exp
exp2(C++11)
expm1(C++11)
log
log10
log1p(C++11)
log2(C++11)
Funciones de energía
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Power functions
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sqrt
cbrt(C++11)
hypot(C++11)
pow
Funciones trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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sinh
cosh
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asinh(C++11)
acosh(C++11)
atanh(C++11)
Error gamma y funciones
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Error and gamma functions
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erf(C++11)
erfc(C++11)
lgamma(C++11)
tgamma(C++11)
Más cerca de las operaciones con enteros en coma flotante
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Nearest integer floating point operations
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ceil
floor
round
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llround
(C++11)
(C++11)
(C++11)
trunc(C++11)
nearbyint(C++11)
rint
lrint
llrint
(C++11)
(C++11)
(C++11)
Funciones de punto flotante de manipulación
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Floating point manipulation functions
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ldexp
scalbn
scalbln
(C++11)
(C++11)
ilogb(C++11)
logb(C++11)
frexp
modf
nextafter
nexttoward
(C++11)
(C++11)
copysign(C++11)
Clasificación / Comparación
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Classification/Comparison
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fpclassify(C++11)
isfinite(C++11)
isinf(C++11)
isnan(C++11)
isnormal(C++11)
signbit(C++11)
isgreater(C++11)
isgreaterequal(C++11)
isless(C++11)
islessequal(C++11)
islessgreater(C++11)
isunordered(C++11)
Constantes Macro
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Macro constants
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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
 
Defined in header <cmath>
float nanf( const char* arg );
(desde C++11)
double nan( const char* arg );
(desde C++11)
long double nanl( const char* arg );
(desde C++11)
Convierte el definido por la implantación arg cadena de caracteres en el valor correspondiente tranquilo NaN. El std::nan("string") llamada es equivalente a la std::strtod("NAN(string)", (char**)NULL); llamada .
Original:
Converts the implementation-defined character string arg into the corresponding quiet NaN value. The call std::nan("string") is equivalent to the call std::strtod("NAN(string)", (char**)NULL);.
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[editar] Parámetros

arg -
cadena de caracteres estrecho identificar el contenido de un NaN, o una cadena vacía
Original:
narrow character string identifying the contents of a NaN, or an empty string
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[editar] Valor de retorno

El valor NaN correspondiente a la arg cadena que identifica o cero si la aplicación no es compatible con NaNs tranquilas .
Original:
The NaN value that corresponds to the identifying string arg or zero if the implementation does not support quiet NaNs.
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[editar] Ver también

(C++11)
Comprueba si el número dado es NaN
Original:
checks if the given number is NaN
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(función) [edit]
[estático]
devuelve un valor NaN tranquilo de lo dado tipo de punto flotante
Original:
returns a quiet NaN value of the given floating-point type
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(miembro estático público of std::numeric_limits función) [edit]