libstdc++
std::numeric_limits< int > Struct Reference

#include <limits>

Inheritance diagram for std::numeric_limits< int >:
[legend]

Static Public Member Functions

static constexpr int denorm_min () noexcept
 
static constexpr int denorm_min () noexcept
 
static constexpr int epsilon () noexcept
 
static constexpr int epsilon () noexcept
 
static constexpr int infinity () noexcept
 
static constexpr int infinity () noexcept
 
static constexpr int lowest () noexcept
 
static constexpr int lowest () noexcept
 
static constexpr int max () noexcept
 
static constexpr int max () noexcept
 
static constexpr int min () noexcept
 
static constexpr int min () noexcept
 
static constexpr int quiet_NaN () noexcept
 
static constexpr int quiet_NaN () noexcept
 
static constexpr int round_error () noexcept
 
static constexpr int round_error () noexcept
 
static constexpr int signaling_NaN () noexcept
 
static constexpr int signaling_NaN () noexcept
 

Static Public Attributes

static constexpr int digits
 
static constexpr int digits
 
static constexpr int digits10
 
static constexpr int digits10
 
static constexpr float_denorm_style has_denorm
 
static constexpr float_denorm_style has_denorm
 
static constexpr bool has_denorm_loss
 
static constexpr bool has_denorm_loss
 
static constexpr bool has_infinity
 
static constexpr bool has_infinity
 
static constexpr bool has_quiet_NaN
 
static constexpr bool has_quiet_NaN
 
static constexpr bool has_signaling_NaN
 
static constexpr bool has_signaling_NaN
 
static constexpr bool is_bounded
 
static constexpr bool is_bounded
 
static constexpr bool is_exact
 
static constexpr bool is_exact
 
static constexpr bool is_iec559
 
static constexpr bool is_iec559
 
static constexpr bool is_integer
 
static constexpr bool is_integer
 
static constexpr bool is_modulo
 
static constexpr bool is_modulo
 
static constexpr bool is_signed
 
static constexpr bool is_signed
 
static constexpr bool is_specialized
 
static constexpr bool is_specialized
 
static constexpr int max_digits10
 
static constexpr int max_digits10
 
static constexpr int max_exponent
 
static constexpr int max_exponent
 
static constexpr int max_exponent10
 
static constexpr int max_exponent10
 
static constexpr int min_exponent
 
static constexpr int min_exponent
 
static constexpr int min_exponent10
 
static constexpr int min_exponent10
 
static constexpr int radix
 
static constexpr int radix
 
static constexpr float_round_style round_style
 
static constexpr float_round_style round_style
 
static constexpr bool tinyness_before
 
static constexpr bool tinyness_before
 
static constexpr bool traps
 
static constexpr bool traps
 

Detailed Description

numeric_limits<int> specialization.

Definition at line 1060 of file limits.

Member Function Documentation

◆ denorm_min() [1/2]

static constexpr int std::numeric_limits< int >::denorm_min ( )
inlinestaticconstexprnoexcept

The minimum positive denormalized value. For types where has_denorm is false, this is the minimum positive normalized value.

Definition at line 357 of file limits.

◆ denorm_min() [2/2]

static constexpr int std::numeric_limits< int >::denorm_min ( )
inlinestaticconstexprnoexcept

Definition at line 1113 of file limits.

◆ epsilon() [1/2]

static constexpr int std::numeric_limits< int >::epsilon ( )
inlinestaticconstexprnoexcept

The machine epsilon: the difference between 1 and the least value greater than 1 that is representable.

Definition at line 333 of file limits.

◆ epsilon() [2/2]

static constexpr int std::numeric_limits< int >::epsilon ( )
inlinestaticconstexprnoexcept

Definition at line 1086 of file limits.

◆ infinity() [1/2]

static constexpr int std::numeric_limits< int >::infinity ( )
inlinestaticconstexprnoexcept

The representation of positive infinity, if has_infinity.

Definition at line 341 of file limits.

◆ infinity() [2/2]

static constexpr int std::numeric_limits< int >::infinity ( )
inlinestaticconstexprnoexcept

Definition at line 1104 of file limits.

◆ lowest() [1/2]

static constexpr int std::numeric_limits< int >::lowest ( )
inlinestaticconstexprnoexcept

A finite value x such that there is no other finite value y where y < x.

Definition at line 327 of file limits.

◆ lowest() [2/2]

static constexpr int std::numeric_limits< int >::lowest ( )
inlinestaticconstexprnoexcept

Definition at line 1072 of file limits.

◆ max() [1/2]

static constexpr int std::numeric_limits< int >::max ( )
inlinestaticconstexprnoexcept

The maximum finite value.

Definition at line 321 of file limits.

◆ max() [2/2]

static constexpr int std::numeric_limits< int >::max ( )
inlinestaticconstexprnoexcept

Definition at line 1068 of file limits.

◆ min() [1/2]

static constexpr int std::numeric_limits< int >::min ( )
inlinestaticconstexprnoexcept

The minimum finite value, or for floating types with denormalization, the minimum positive normalized value.

Definition at line 317 of file limits.

◆ min() [2/2]

static constexpr int std::numeric_limits< int >::min ( )
inlinestaticconstexprnoexcept

Definition at line 1065 of file limits.

◆ quiet_NaN() [1/2]

static constexpr int std::numeric_limits< int >::quiet_NaN ( )
inlinestaticconstexprnoexcept

The representation of a quiet Not a Number, if has_quiet_NaN.

Definition at line 346 of file limits.

◆ quiet_NaN() [2/2]

static constexpr int std::numeric_limits< int >::quiet_NaN ( )
inlinestaticconstexprnoexcept

Definition at line 1107 of file limits.

◆ round_error() [1/2]

static constexpr int std::numeric_limits< int >::round_error ( )
inlinestaticconstexprnoexcept

The maximum rounding error measurement (see LIA-1).

Definition at line 337 of file limits.

◆ round_error() [2/2]

static constexpr int std::numeric_limits< int >::round_error ( )
inlinestaticconstexprnoexcept

Definition at line 1089 of file limits.

◆ signaling_NaN() [1/2]

static constexpr int std::numeric_limits< int >::signaling_NaN ( )
inlinestaticconstexprnoexcept

The representation of a signaling Not a Number, if has_signaling_NaN.

Definition at line 351 of file limits.

◆ signaling_NaN() [2/2]

static constexpr int std::numeric_limits< int >::signaling_NaN ( )
inlinestaticconstexprnoexcept

Definition at line 1110 of file limits.

Member Data Documentation

◆ digits [1/2]

int std::__numeric_limits_base::digits
staticconstexpr

The number of radix digits that be represented without change: for integer types, the number of non-sign bits in the mantissa; for floating types, the number of radix digits in the mantissa.

Definition at line 211 of file limits.

◆ digits [2/2]

int std::numeric_limits< int >::digits
staticconstexpr

Definition at line 1075 of file limits.

◆ digits10 [1/2]

int std::__numeric_limits_base::digits10
staticconstexpr

The number of base 10 digits that can be represented without change.

Definition at line 214 of file limits.

◆ digits10 [2/2]

int std::numeric_limits< int >::digits10
staticconstexpr

Definition at line 1076 of file limits.

◆ has_denorm [1/2]

float_denorm_style std::__numeric_limits_base::has_denorm
staticconstexpr

See std::float_denorm_style for more information.

Definition at line 266 of file limits.

◆ has_denorm [2/2]

float_denorm_style std::numeric_limits< int >::has_denorm
staticconstexpr

Definition at line 1099 of file limits.

◆ has_denorm_loss [1/2]

bool std::__numeric_limits_base::has_denorm_loss
staticconstexpr

True if loss of accuracy is detected as a denormalization loss, rather than as an inexact result.

Definition at line 270 of file limits.

◆ has_denorm_loss [2/2]

bool std::numeric_limits< int >::has_denorm_loss
staticconstexpr

Definition at line 1101 of file limits.

◆ has_infinity [1/2]

bool std::__numeric_limits_base::has_infinity
staticconstexpr

True if the type has a representation for positive infinity.

Definition at line 255 of file limits.

◆ has_infinity [2/2]

bool std::numeric_limits< int >::has_infinity
staticconstexpr

Definition at line 1096 of file limits.

◆ has_quiet_NaN [1/2]

bool std::__numeric_limits_base::has_quiet_NaN
staticconstexpr

True if the type has a representation for a quiet (non-signaling) Not a Number.

Definition at line 259 of file limits.

◆ has_quiet_NaN [2/2]

bool std::numeric_limits< int >::has_quiet_NaN
staticconstexpr

Definition at line 1097 of file limits.

◆ has_signaling_NaN [1/2]

bool std::__numeric_limits_base::has_signaling_NaN
staticconstexpr

True if the type has a representation for a signaling Not a Number.

Definition at line 263 of file limits.

◆ has_signaling_NaN [2/2]

bool std::numeric_limits< int >::has_signaling_NaN
staticconstexpr

Definition at line 1098 of file limits.

◆ is_bounded [1/2]

bool std::__numeric_limits_base::is_bounded
staticconstexpr

True if the set of values representable by the type is finite. All built-in types are bounded, this member would be false for arbitrary precision types.

Definition at line 279 of file limits.

◆ is_bounded [2/2]

bool std::numeric_limits< int >::is_bounded
staticconstexpr

Definition at line 1116 of file limits.

◆ is_exact [1/2]

bool std::__numeric_limits_base::is_exact
staticconstexpr

True if the type uses an exact representation. All integer types are exact, but not all exact types are integer. For example, rational and fixed-exponent representations are exact but not integer.

Definition at line 231 of file limits.

◆ is_exact [2/2]

bool std::numeric_limits< int >::is_exact
staticconstexpr

Definition at line 1082 of file limits.

◆ is_iec559 [1/2]

bool std::__numeric_limits_base::is_iec559
staticconstexpr

True if-and-only-if the type adheres to the IEC 559 standard, also known as IEEE 754. (Only makes sense for floating point types.)

Definition at line 274 of file limits.

◆ is_iec559 [2/2]

bool std::numeric_limits< int >::is_iec559
staticconstexpr

Definition at line 1115 of file limits.

◆ is_integer [1/2]

bool std::__numeric_limits_base::is_integer
staticconstexpr

True if the type is integer.

Definition at line 226 of file limits.

◆ is_integer [2/2]

bool std::numeric_limits< int >::is_integer
staticconstexpr

Definition at line 1081 of file limits.

◆ is_modulo [1/2]

bool std::__numeric_limits_base::is_modulo
staticconstexpr

True if the type is modulo. A type is modulo if, for any operation involving +, -, or * on values of that type whose result would fall outside the range [min(),max()], the value returned differs from the true value by an integer multiple of max() - min() + 1. On most machines, this is false for floating types, true for unsigned integers, and true for signed integers. See PR22200 about signed integers.

Definition at line 288 of file limits.

◆ is_modulo [2/2]

bool std::numeric_limits< int >::is_modulo
staticconstexpr

Definition at line 1117 of file limits.

◆ is_signed [1/2]

bool std::__numeric_limits_base::is_signed
staticconstexpr

True if the type is signed.

Definition at line 223 of file limits.

◆ is_signed [2/2]

bool std::numeric_limits< int >::is_signed
staticconstexpr

Definition at line 1080 of file limits.

◆ is_specialized [1/2]

bool std::__numeric_limits_base::is_specialized
staticconstexpr

This will be true for all fundamental types (which have specializations), and false for everything else.

Definition at line 206 of file limits.

◆ is_specialized [2/2]

bool std::numeric_limits< int >::is_specialized
staticconstexpr

Definition at line 1062 of file limits.

◆ max_digits10 [1/2]

int std::__numeric_limits_base::max_digits10
staticconstexpr

The number of base 10 digits required to ensure that values which differ are always differentiated.

Definition at line 219 of file limits.

◆ max_digits10 [2/2]

int std::numeric_limits< int >::max_digits10
staticconstexpr

Definition at line 1078 of file limits.

◆ max_exponent [1/2]

int std::__numeric_limits_base::max_exponent
staticconstexpr

The maximum positive integer such that radix raised to the power of (one less than that integer) is a representable finite floating point number.

Definition at line 248 of file limits.

◆ max_exponent [2/2]

int std::numeric_limits< int >::max_exponent
staticconstexpr

Definition at line 1093 of file limits.

◆ max_exponent10 [1/2]

int std::__numeric_limits_base::max_exponent10
staticconstexpr

The maximum positive integer such that 10 raised to that power is in the range of representable finite floating point numbers.

Definition at line 252 of file limits.

◆ max_exponent10 [2/2]

int std::numeric_limits< int >::max_exponent10
staticconstexpr

Definition at line 1094 of file limits.

◆ min_exponent [1/2]

int std::__numeric_limits_base::min_exponent
staticconstexpr

The minimum negative integer such that radix raised to the power of (one less than that integer) is a normalized floating point number.

Definition at line 239 of file limits.

◆ min_exponent [2/2]

int std::numeric_limits< int >::min_exponent
staticconstexpr

Definition at line 1091 of file limits.

◆ min_exponent10 [1/2]

int std::__numeric_limits_base::min_exponent10
staticconstexpr

The minimum negative integer such that 10 raised to that power is in the range of normalized floating point numbers.

Definition at line 243 of file limits.

◆ min_exponent10 [2/2]

int std::numeric_limits< int >::min_exponent10
staticconstexpr

Definition at line 1092 of file limits.

◆ radix [1/2]

int std::__numeric_limits_base::radix
staticconstexpr

For integer types, specifies the base of the representation. For floating types, specifies the base of the exponent representation.

Definition at line 235 of file limits.

◆ radix [2/2]

int std::numeric_limits< int >::radix
staticconstexpr

Definition at line 1083 of file limits.

◆ round_style [1/2]

float_round_style std::__numeric_limits_base::round_style
staticconstexpr

See std::float_round_style for more information. This is only meaningful for floating types; integer types will all be round_toward_zero.

Definition at line 299 of file limits.

◆ round_style [2/2]

float_round_style std::numeric_limits< int >::round_style
staticconstexpr

Definition at line 1121 of file limits.

◆ tinyness_before [1/2]

bool std::__numeric_limits_base::tinyness_before
staticconstexpr

True if tininess is detected before rounding. (see IEC 559)

Definition at line 294 of file limits.

◆ tinyness_before [2/2]

bool std::numeric_limits< int >::tinyness_before
staticconstexpr

Definition at line 1120 of file limits.

◆ traps [1/2]

bool std::__numeric_limits_base::traps
staticconstexpr

True if trapping is implemented for this type.

Definition at line 291 of file limits.

◆ traps [2/2]

bool std::numeric_limits< int >::traps
staticconstexpr

Definition at line 1119 of file limits.


The documentation for this struct was generated from the following file: