Function signbit

include/half.hpp:4373–4373

Check sign. See also:** Documentation for [std::signbit](https://en.cppreference.com/w/cpp/numeric/math/signbit). \param arg number to check \retval true for negative number \retval false for positive number

	/// \retval true for negative number
	/// \retval false for positive number
	inline HALF_CONSTEXPR bool signbit(half arg) { return (arg.data_&0x8000) != 0; }

	/// \}
	/// \anchor compfunc