Namespace
Varianti

C numeric limits interface

Da cppreference.com.
< cpp‎ | types

 
 
Utilità libreria
Tipo di supporto (basic types, RTTI, type traits)
Gestione della memoria dinamica
La gestione degli errori
Programma di utilità
Funzioni variadic
Data e ora
Funzione oggetti
initializer_list(C++11)
bitset
hash(C++11)
Gli operatori relazionali
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Coppie e tuple
Original:
Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Swap, in avanti e spostare
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
Tipo di supporto
Tipi base
Original:
Basic types
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Tipi fondamentali
Larghezza fissa interi tipi (C++11)
Limiti numerici
Original:
Numeric limits
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numeric_limits
C numerico limita interfaccia
Informazioni sul tipo di runtime
Original:
Runtime type information
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Tipo tratti
Original:
Type traits
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Categorie di tipo primario
Original:
Primary type categories
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is_void(C++11)
is_array(C++11)
is_pointer(C++11)
is_enum(C++11)
is_union(C++11)
is_class(C++11)
is_function(C++11)
is_object(C++11)
is_scalar(C++11)
is_compound(C++11)
is_integral(C++11)
is_floating_point(C++11)
is_fundamental(C++11)
is_arithmetic(C++11)
is_reference(C++11)
is_lvalue_reference(C++11)
is_rvalue_reference(C++11)
is_member_pointer(C++11)
is_member_object_pointer(C++11)
is_member_function_pointer(C++11)
Proprietà del tipo
Original:
Type properties
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is_const(C++11)
is_volatile(C++11)
is_pod(C++11)
is_empty(C++11)
is_polymorphic(C++11)
is_abstract(C++11)
Operazioni supportate
Original:
Supported operations
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is_constructible
is_trivially_constructible
is_nothrow_constructible
(C++11)
(C++11)
(C++11)
is_default_constructible
is_trivially_default_constructible
is_nothrow_default_constructible
(C++11)
(C++11)
(C++11)
is_copy_constructible
is_trivially_copy_constructible
is_nothrow_copy_constructible
(C++11)
(C++11)
(C++11)
is_move_constructible
is_trivially_move_constructible
is_nothrow_move_constructible
(C++11)
(C++11)
(C++11)
is_assignable
is_trivially_assignable
is_nothrow_assignable
(C++11)
(C++11)
(C++11)
is_copy_assignable
is_trivially_copy_assignable
is_nothrow_copy_assignable
(C++11)
(C++11)
(C++11)
is_move_assignable
is_trivially_move_assignable
is_nothrow_move_assignable
(C++11)
(C++11)
(C++11)
is_destructible
is_trivially_destructible
is_nothrow_destructible
(C++11)
(C++11)
(C++11)
has_virtual_destructor(C++11)
I rapporti e le query di proprietà
Original:
Relationships and property queries
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is_same(C++11)
is_base_of(C++11)
is_convertible(C++11)
alignment_of(C++11)
rank(C++11)
extent(C++11)
Tipo modifiche
Original:
Type modifications
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remove_cv
remove_const
remove_volatile
(C++11)
(C++11)
(C++11)
add_cv
add_const
add_volatile
(C++11)
(C++11)
(C++11)
make_signed(C++11)
make_unsigned(C++11)
Tipo di trasformazioni
Original:
Type transformations
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aligned_storage(C++11)
aligned_union(C++11)
decay(C++11)
enable_if(C++11)
conditional(C++11)
common_type(C++11)
underlying_type(C++11)
result_of(C++11)
Digitare costanti tratto
Original:
Type trait constants
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integral_constant(C++11)
 
Vedi anche l'interfaccia numeric_limits.
Original:
See also numeric_limits interface.
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Defined in header <cstdint>
PTRDIFF_MIN
(C++11)
valore minimo di oggetto di tipo std::ptrdiff_t
Original:
minimum value of object of std::ptrdiff_t type
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(macro costante)
PTRDIFF_MAX
(C++11)
valore massimo di oggetto di tipo std::ptrdiff_t
Original:
maximum value of object of std::ptrdiff_t type
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(macro costante)
SIZE_MAX
(C++11)
valore massimo di oggetto di tipo std::size_t
Original:
maximum value of object of std::size_t type
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(macro costante)
SIG_ATOMIC_MIN
(C++11)
valore massimo di oggetto di tipo std::sig_atomic_t
Original:
maximum value of object of std::sig_atomic_t type
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(macro costante)
SIG_ATOMIC_MAX
(C++11)
valore massimo di oggetto di tipo std::sig_atomic_t
Original:
maximum value of object of std::sig_atomic_t type
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(macro costante)
WCHAR_MIN
(C++11)
valore massimo di oggetto di tipo wchar_t
Original:
maximum value of object of wchar_t type
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(macro costante)
WCHAR_MAX
(C++11)
valore massimo di oggetto di tipo wchar_t
Original:
maximum value of object of wchar_t type
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(macro costante)
WINT_MIN
(C++11)
valore massimo di oggetto di tipo std::wint_t
Original:
maximum value of object of std::wint_t type
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(macro costante)
WINT_MAX
(C++11)
valore massimo di oggetto di tipo std::wint_t
Original:
maximum value of object of std::wint_t type
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(macro costante)

[modifica] Limiti di tipi interi

Defined in header <climits>
CHAR_BIT
numero di bit in byte
Original:
number of bits in byte
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(macro costante)
MB_LEN_MAX
numero massimo di byte in un carattere multibyte
Original:
maximum number of bytes in a multibyte character
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(macro costante)
CHAR_MIN
valore minimo di char
Original:
minimum value of char
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(macro costante)
CHAR_MAX
valore massimo di char
Original:
maximum value of char
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(macro costante)
SCHAR_MIN
SHRT_MIN
INT_MIN
LONG_MIN
LLONG_MIN




(C++11)
valore minimo di signed char, short, int, long e long long rispettivamente
Original:
minimum value of signed char, short, int, long and long long respectively
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(macro costante)
SCHAR_MAX
SHRT_MAX
INT_MAX
LONG_MAX
LLONG_MAX




(C++11)
valore massimo di signed char, short, int, long e long long rispettivamente
Original:
maximum value of signed char, short, int, long and long long respectively
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(macro costante)
UCHAR_MAX
USHRT_MAX
UINT_MAX
ULONG_MAX
ULLONG_MAX




(C++11)
valore massimo di unsigned char, unsigned short, unsigned int,
unsigned long e unsigned long long rispettivamente
Original:
maximum value of unsigned char, unsigned short, unsigned int,
unsigned long and unsigned long long respectively
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(macro costante)

[modifica] Limiti di tipi in virgola mobile

Defined in header <cfloat>
FLT_RADIX
la radice (base integer) utilizzato dalla rappresentazione di tutti e tre i tipi a virgola mobile
Original:
the radix (integer base) used by the representation of all three floating-point types
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(macro costante)
DECIMAL_DIG
(C++11)
numero di cifre decimali che possono essere convertiti in long double e indietro senza perdere in precisione
Original:
number of decimal digits that can be converted to long double and back without losing precision
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(macro costante)
FLT_MIN
DBL_MIN
LDBL_MIN
valore minimo di float, double e long double rispettivamente
Original:
minimum value of float, double and long double respectively
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(macro costante)
FLT_MAX
DBL_MAX
LDBL_MAX
valore massimo di float, double e long double rispettivamente
Original:
maximum value of float, double and long double respectively
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(macro costante)
FLT_EPSILON
DBL_EPSILON
LDBL_EPSILON
differenza tra 1.0 e il successivo valore rappresentabile per float, double e long double rispettivamente
Original:
difference between 1.0 and the next representable value for float, double and long double respectively
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(macro costante)
FLT_DIG
DBL_DIG
LDBL_DIG
numero di cifre decimali che possono essere rappresentati senza perdere di precisione per float, double e long double rispettivamente
Original:
number of decimal digits that can be represented without losing precision for float, double and long double respectively
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(macro costante)
FLT_MANT_DIG
DBL_MANT_DIG
LDBL_MANT_DIG
numero di cifre FLT_RADIX base che può essere rappresentato senza perdere di precisione per float, double e long double rispettivamente
Original:
number of base FLT_RADIX digits that can be represented without losing precision for float, double and long double respectively
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(macro costante)
FLT_MIN_EXP
DBL_MIN_EXP
LDBL_MIN_EXP
minimo numero intero negativo tale che FLT_RADIX sollevato dal potere uno in meno che è un numero intero normalizzato float, double e long double rispettivamente
Original:
minimum negative integer such that FLT_RADIX raised by power one less than that integer is a normalized float, double and long double respectively
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(macro costante)
FLT_MIN_10_EXP
DBL_MIN_10_EXP
LDBL_MIN_10_EXP
minimo numero intero negativo tale che 10 sollevato dal potere uno in meno che è un numero intero normalizzato float, double e long double rispettivamente
Original:
minimum negative integer such that 10 raised by power one less than that integer is a normalized float, double and long double respectively
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(macro costante)
FLT_MAX_EXP
DBL_MAX_EXP
LDBL_MAX_EXP
massimo intero positivo tale che FLT_RADIX sollevato dal potere uno in più che è un numero intero normalizzato float, double e long double rispettivamente
Original:
maximum positive integer such that FLT_RADIX raised by power one more than that integer is a normalized float, double and long double respectively
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(macro costante)
FLT_MAX_10_EXP
DBL_MAX_10_EXP
LDBL_MAX_10_EXP
massimo intero positivo tale che 10 sollevato dal potere uno in più che è un numero intero normalizzato float, double e long double rispettivamente
Original:
maximum positive integer such that 10 raised by power one more than that integer is a normalized float, double and long double respectively
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(macro costante)
predefinita modalità di arrotondamento di aritmetica a virgola mobile
Original:
default rounding mode of floating-point arithmetics
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(macro costante)
specifica in quale precisione tutte le operazioni aritmetiche vengono eseguite
Original:
specifies in what precision all arithmetic operations are done
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(macro costante)