Namespaces
Variants
Views
Actions

std::numeric_limits::is_integer

From cppreference.com
< cpp‎ | types‎ | numeric limits
Revision as of 15:03, 2 November 2012 by P12bot (Talk | contribs)

 
 
 
Type support
Basic types
Fundamental types
Fixed width integer types (C++11)
Numeric limits
C numeric limits interface
Runtime type information
Type traits
Primary type categories
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Type properties
(C++11)
(C++11)
(C++11)
(C++14)
Supported operations
Relationships and property queries
(C++11)
(C++11)
(C++11)
(C++11)
Type modifications
(C++11)(C++11)(C++11)
Type transformations
(C++11)
(C++11)
(C++11)
Type trait constants
 
 

Template:ddcl list begin <tr class="t-dcl ">

<td >
static const bool is_integer
</td>

<td class="t-dcl-nopad"> </td> <td > (until C++11) </td> </tr> <tr class="t-dcl ">

<td >
static constexpr bool is_integer
</td>

<td class="t-dcl-nopad"> </td> <td > (since C++11) </td> </tr> Template:ddcl list end

The value of std::numeric_limits<T>::is_integer is true for all integer arithmetic types T and false otherwise. This constant is meaningful for all specializations.

Standard specializations

T value of std::numeric_limits<T>::is_integer
/* non-specialized */ false
bool true
char true
signed char true
unsigned char true
wchar_t true
char16_t true
char32_t true
short true
unsigned short true
int true
unsigned int true
long true
unsigned long true
long long true
unsigned long long true
float false
double false
long double false

See also

checks if a type is integral type
(class template) [edit]
[static]
identifies signed types
(public static member constant) [edit]
[static]
identifies exact types
(public static member constant) [edit]
[static]
identifies types that represent a finite set of values
(public static member constant) [edit]