Class expr

extern/half/include/half.hpp:352–365

Temporary half-precision expression. This class represents a half-precision expression which just stores a single-precision value internally.

		/// Temporary half-precision expression.
		/// This class represents a half-precision expression which just stores a single-precision value internally.
		struct expr
		{
			/// Conversion constructor.
			/// \param f single-precision value to convert
			explicit HALF_CONSTEXPR expr(float f) HALF_NOEXCEPT : value_(f) {}

			/// Conversion to single-precision.
			/// \return single precision value representing expression value
			HALF_CONSTEXPR operator float() const HALF_NOEXCEPT { return value_; }

		private:
			/// Internal expression value stored in single-precision.
			float value_;
		};

		/// SFINAE helper for generic half-precision functions.
		/// This class template has to be specialized for each valid combination of argument types to provide a corresponding