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C numeric limits interface

提供: cppreference.com
< cpp‎ | types

 
 
ユーティリティライブラリ
支援を入力します (basic types, RTTI, type traits)
動的なメモリ管理
エラー処理
プログラムユーティリティ
可変個引数関数
日付と時刻
関数オブジェクト
initializer_list(C++11)
bitset
hash(C++11)
関係演算子
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
ペアとタプル
Original:
Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
フォワード、スワップ、および移動
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
支援を入力します
基本的なタイプ
Original:
Basic types
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基本的なタイプ
固定幅の整数型 (C++11)
数値の限界
Original:
Numeric limits
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numeric_limits
Cの数値は、インターフェイスを制限します
実行時型情報
Original:
Runtime type information
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型の特徴
Original:
Type traits
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プライマリタイプカテゴリ
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)
Typeプロパティ
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)
サポートされる操作
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)
リレーションシップとプロパティクエリ
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)
型の変更
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)
型変換
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)
形質定数を入力します
Original:
Type trait constants
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integral_constant(C++11)
 
numeric_limitsインタフェースも参照してください.
Original:
See also numeric_limits interface.
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Defined in header <cstdint>
PTRDIFF_MIN
(C++11)
std::ptrdiff_t型のオブジェクトの最小値
Original:
minimum value of object of std::ptrdiff_t type
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(マクロ定数)
PTRDIFF_MAX
(C++11)
std::ptrdiff_t型のオブジェクトの最大値
Original:
maximum value of object of std::ptrdiff_t type
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(マクロ定数)
SIZE_MAX
(C++11)
std::size_t型のオブジェクトの最大値
Original:
maximum value of object of std::size_t type
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(マクロ定数)
SIG_ATOMIC_MIN
(C++11)
std::sig_atomic_t型のオブジェクトの最大値
Original:
maximum value of object of std::sig_atomic_t type
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(マクロ定数)
SIG_ATOMIC_MAX
(C++11)
std::sig_atomic_t型のオブジェクトの最大値
Original:
maximum value of object of std::sig_atomic_t type
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(マクロ定数)
WCHAR_MIN
(C++11)
wchar_t型のオブジェクトの最大値
Original:
maximum value of object of wchar_t type
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(マクロ定数)
WCHAR_MAX
(C++11)
wchar_t型のオブジェクトの最大値
Original:
maximum value of object of wchar_t type
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(マクロ定数)
WINT_MIN
(C++11)
std::wint_t型のオブジェクトの最大値
Original:
maximum value of object of std::wint_t type
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(マクロ定数)
WINT_MAX
(C++11)
std::wint_t型のオブジェクトの最大値
Original:
maximum value of object of std::wint_t type
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(マクロ定数)

[編集] 整数型の限界

Defined in header <climits>
CHAR_BIT
バイト内のビット数
Original:
number of bits in byte
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(マクロ定数)
MB_LEN_MAX
マルチバイト文字の最大バイト数
Original:
maximum number of bytes in a multibyte character
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(マクロ定数)
CHAR_MIN
charの最小値
Original:
minimum value of char
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(マクロ定数)
CHAR_MAX
charの最大値
Original:
maximum value of char
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(マクロ定数)
SCHAR_MIN
SHRT_MIN
INT_MIN
LONG_MIN
LLONG_MIN




(C++11)
signed charの最小値、shortintlonglong longそれぞれ
Original:
minimum value of signed char, short, int, long and long long respectively
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(マクロ定数)
SCHAR_MAX
SHRT_MAX
INT_MAX
LONG_MAX
LLONG_MAX




(C++11)
signed charの最大値、shortintlonglong longそれぞれ
Original:
maximum value of signed char, short, int, long and long long respectively
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(マクロ定数)
UCHAR_MAX
USHRT_MAX
UINT_MAX
ULONG_MAX
ULLONG_MAX




(C++11)
unsigned charの最大値、unsigned shortunsigned int
unsigned longunsigned long longそれぞれ
Original:
maximum value of unsigned char, unsigned short, unsigned int,
unsigned long and unsigned long long respectively
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(マクロ定数)

[編集] 浮動小数点型の限界

Defined in header <cfloat>
FLT_RADIX
基数(整数ベース)は、すべての3つの浮動小数点型の表現で使用される
Original:
the radix (integer base) used by the representation of all three floating-point types
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(マクロ定数)
DECIMAL_DIG
(C++11)
精度を失うことなくlong doubleとバックに変換することができる10進数の桁数
Original:
number of decimal digits that can be converted to long double and back without losing precision
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(マクロ定数)
FLT_MIN
DBL_MIN
LDBL_MIN
floatの最小値、doublelong doubleそれぞれ
Original:
minimum value of float, double and long double respectively
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(マクロ定数)
FLT_MAX
DBL_MAX
LDBL_MAX
floatの最大値、doublelong doubleそれぞれ
Original:
maximum value of float, double and long double respectively
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(マクロ定数)
FLT_EPSILON
DBL_EPSILON
LDBL_EPSILON
1.0floatdoublelong doubleそれぞれのための次に表現可能な値の差
Original:
difference between 1.0 and the next representable value for float, double and long double respectively
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(マクロ定数)
FLT_DIG
DBL_DIG
LDBL_DIG
floatdoublelong doubleそれぞれの精度を失うことなく表現できる小数点以下の桁数
Original:
number of decimal digits that can be represented without losing precision for float, double and long double respectively
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(マクロ定数)
FLT_MANT_DIG
DBL_MANT_DIG
LDBL_MANT_DIG
FLT_RADIXの精度を失うことなく表現することができ、ベースfloatの桁数、doublelong doubleそれぞれ
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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(マクロ定数)
FLT_MIN_EXP
DBL_MIN_EXP
LDBL_MIN_EXP
FLT_RADIXその整数より小さいパワーワンが提起したような最小の負の整数は、正規化されたfloatdoublelong doubleそれぞれです
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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(マクロ定数)
FLT_MIN_10_EXP
DBL_MIN_10_EXP
LDBL_MIN_10_EXP
10その整数より小さいパワーワンが提起したような最小の負の整数は、正規化されたfloatdoublelong doubleそれぞれです
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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(マクロ定数)
FLT_MAX_EXP
DBL_MAX_EXP
LDBL_MAX_EXP
FLT_RADIXは力によってその整数以上のものを調達しているような最大の正の整数は、正規化されたfloatdoublelong doubleそれぞれです
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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(マクロ定数)
FLT_MAX_10_EXP
DBL_MAX_10_EXP
LDBL_MAX_10_EXP
10は力によってその整数以上のものを調達しているような最大の正の整数は、正規化されたfloatdoublelong doubleそれぞれです
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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(マクロ定数)
浮動小数点演算のデフォルトの丸めモード
Original:
default rounding mode of floating-point arithmetics
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(マクロ定数)
すべての算術演算が行われているものを精密に指定します
Original:
specifies in what precision all arithmetic operations are done
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(マクロ定数)