std::numeric_limits::round_error
De cppreference.com
static T round_error()
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(hasta C++11) | |
static constexpr T round_error()
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(desde C++11) | |
Devuelve el mayor error de redondeo posible en ULPs (unidades en el último lugar) como se define en ISO 10967, que puede variar desde 0,5 (redondeo al más cercano dígitos) a 1,0 (redondeo a cero o infinito). Esto sólo tiene sentido si
std::numeric_limits<T>::is_integer == false .Original:
Returns the largest possible rounding error in ULPs (units in the last place) as defined by ISO 10967, which can vary from 0.5 (rounding to the nearest digit) to 1.0 (rounding to zero or to infinity). It is only meaningful if
std::numeric_limits<T>::is_integer == false.The text has been machine-translated via Google Translate.
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Valor de retorno
T
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std::numeric_limits<T>::round_error()
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| /* non-specialized */ | T();
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bool
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false
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char
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0
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signed char
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0
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unsigned char
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0
|
wchar_t
|
0
|
char16_t
|
0
|
char32_t
|
0
|
short
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0
|
unsigned short
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0
|
int
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0
|
unsigned int
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0
|
long
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0
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unsigned long
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0
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long long
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0
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unsigned long long
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0
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float
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0.5F
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double
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0.5
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long double
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0.5L
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