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Showing content from https://en.cppreference.com/w/cpp/algorithm/../ranges/../numeric/math/isgreater.html below:

std::isgreater - cppreference.com

(1) bool isgreater( float x, float y ); bool isgreater( double x, double y ); bool isgreater( long double x, long double y ); (since C++11)
(until C++23)

constexpr bool isgreater( /* floating-point-type */ x, /* floating-point-type */ y );

(since C++23)

template< class Arithmetic1, class Arithmetic2 > bool isgreater( Arithmetic1 x, Arithmetic2 y );

(A) (since C++11)
(constexpr since C++23)

1) Determines if the floating point number x is greater than the floating-point number y, without setting floating-point exceptions. The library provides overloads for all cv-unqualified floating-point types as the type of the parameters x and y.(since C++23)

A) Additional overloads are provided for all other combinations of arithmetic types.

[edit] Parameters x, y - floating-point or integer values [edit] Return value

true if x > y, false otherwise.

[edit] Notes

The built-in operator> for floating-point numbers may set FE_INVALID if one or both of the arguments is NaN. This function is a "quiet" version of operator>.

The additional overloads are not required to be provided exactly as (A). They only need to be sufficient to ensure that for their first argument num1 and second argument num2:

If num1 or num2 has type long double, then std::isgreater(num1, num2) has the same effect as std::isgreater(static_cast<long double>(num1), static_cast<long double>(num2)).
Otherwise, if num1 and/or num2 has type double or an integer type, then std::isgreater(num1, num2) has the same effect as std::isgreater(static_cast<double>(num1), static_cast<double>(num2)).
Otherwise, if num1 or num2 has type float, then std::isgreater(num1, num2) has the same effect as std::isgreater(static_cast<float>(num1), static_cast<float>(num2)).

(until C++23)

If num1 and num2 have arithmetic types, then std::isgreater(num1, num2) has the same effect as std::isgreater(static_cast</*common-floating-point-type*/>(num1), static_cast</*common-floating-point-type*/>(num2)), where /*common-floating-point-type*/ is the floating-point type with the greatest floating-point conversion rank and greatest floating-point conversion subrank between the types of num1 and num2, arguments of integer type are considered to have the same floating-point conversion rank as double.

If no such floating-point type with the greatest rank and subrank exists, then overload resolution does not result in a usable candidate from the overloads provided.

(since C++23) [edit] See also

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