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std::numeric_limits::digits

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std::numeric_limits
 
static const int digits
(hasta C++11)
static constexpr int digits
(desde C++11)
El valor de std::numeric_limits<T>::digits es el número de dígitos en base-radix que pueden ser representados por la T tipo sin cambio. Para los tipos de enteros, este es el número de bits sin contar el bit de signo. Para tipos de punto flotante, este es el número de dígitos en la mantisa .
Original:
The value of std::numeric_limits<T>::digits is the number of digits in base-radix that can be represented by the type T without change. For integer types, this is the number of bits not counting the sign bit. For floating-point types, this is the number of digits in the mantissa.
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[editar] Especializaciones estándar

T
valor de std::numeric_limits<T>::digits
Original:
value of std::numeric_limits<T>::digits
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/* non-specialized */ 0
bool 1
char CHAR_BIT - std::numeric_limits<char>::is_signed
signed char CHAR_BIT-1
unsigned char CHAR_BIT
wchar_t CHAR_BIT*sizeof(wchar_t) - std::numeric_limits<wchar_t>::is_signed
char16_t CHAR_BIT*sizeof(char16_t)
char32_t CHAR_BIT*sizeof(char32_t)
short CHAR_BIT*sizeof(short)-1
unsigned short CHAR_BIT*sizeof(short)
int CHAR_BIT*sizeof(int)-1
unsigned int CHAR_BIT*sizeof(int)
long CHAR_BIT*sizeof(long)-1
unsigned long CHAR_BIT*sizeof(long)
long long CHAR_BIT*sizeof(long long)-1
unsigned long long CHAR_BIT*sizeof(long)
float FLT_MANT_DIG
double DBL_MANT_DIG
long double LDBL_MANT_DIG

[editar] Ver también

[estático]
la raíz o base entero utilizado por la representación del tipo dado
Original:
the radix or integer base used by the representation of the given type
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(público miembro constante estática) [edit]
[estático]
más que la menor potencia negativa de la base de que es un válido punto flotante normalizado valor uno
Original:
one more than the smallest negative power of the radix that is a valid normalized floating-point value
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(público miembro constante estática) [edit]
[estático]
mayor que la máxima potencia entera de la base de que es válida finito valor de punto flotante uno
Original:
one more than the largest integer power of the radix that is a valid finite floating-point value
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(público miembro constante estática) [edit]