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std::ratio_greater(3) C++ Standard Libary std::ratio_greater(3) NAME std::ratio_greater - std::ratio_greater Synopsis Defined in header <ratio> template< class R1, class R2 > struct ratio_greater : std::integral_constant<bool, /* see below */> (since C++11) { }; If the ratio R1 is greater than the ratio R2, provides the member constant value equal true. Otherwise, value is false. Member constants value true if R1::num * R2::den > R2::num * R1::den, or equiva- lent expression [static] that avoids overflow, false otherwise (public static member constant) Member functions operator bool converts the object to bool, returns value (public member function) operator() returns value (C++14) (public member function) Member types Type Definition value_type bool type std::integral_constant<bool, value> Example // Run this code #include <iostream> #include <ratio> int main() { static_assert(std::ratio_greater<std::ratio<3, 4>, std::ratio<1, 2>>::value, "3/4 > 1/2"); if (std::ratio_greater<std::ratio<11, 12>, std::ratio<10, 11>>::value) std::cout << "11/12 > 10/11" "\n"; // Since C++17 static_assert(std::ratio_greater_v<std::ratio<12, 13>, std::ra- tio<11, 12>>); if constexpr (std::ratio_greater_v<std::ratio<12, 13>, std::ra- tio<11, 12>>) std::cout << "12/13 > 11/12" "\n"; } Output: 11/12 > 10/11 12/13 > 11/12 See also ratio_greater_equal compares two ratio objects for greater than or equal to at (C++11) compile-time (class template) http://cppreference.com 2024.06.10 std::ratio_greater(3)
NAME | Synopsis | Member constants | Member functions | Member types | Example | Output: | See also
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