xieite::neg()

Defined in header <xieite/math/neg.hpp>

Checks whether a number is negative. Uses std::signbit() for floating-point types, and always returns false for unsigned types.
Can be used to avoid warnings enabled by -Wtype-limits.


Declaration

 
template<xieite::is_arith T>
[[nodiscard]] constexpr bool neg(T n) noexcept;


Example

 
int main() {
	xieite::dump(xieite::neg(5u));
}
Output: 
false
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