| Defined in header <ratio> | ||
|---|---|---|
template< class R1, class R2 > struct ratio_less_equal : std::integral_constant; |
If the ratio R1 is less than or equal to the ratio R2, provides the member constant value equal true. Otherwise, value is false.
Helper variable template
template< class R1, class R2 > constexpr bool ratio_less_equal_v = ratio_less_equal<R1, R2>::value; | (since C++17) |
Inherited from std::integral_constant
Member constants
| value [static] | true if R1::num * R2::den <= R2::num * R1::den, or equivalent expression that avoids overflow , false otherwise (public static member constant) |
Member functions
| operator bool | converts the object to bool, returns value (public member function) |
| operator() (C++14) | returns value (public member function) |
Member types
| Type | Definition |
|---|---|
value_type | bool |
type | std::integral_constant<bool, value> |
Example
See also
| std::experimental::ratio_less_equal_v
(library fundamentals TS) | variable template alias of std::ratio_less_equal::value (variable template) |
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