Method expm1

extern/half/include/half.hpp:1385–1392

Exponential implementation. \param arg function argument \return function value stored in single-preicision

			/// \param arg function argument
			/// \return function value stored in single-preicision
			static expr expm1(float arg)
			{
			#if HALF_ENABLE_CPP11_CMATH
				return expr(std::expm1(arg));
			#else
				return expr(static_cast<float>(std::exp(static_cast<double>(arg))-1.0));
			#endif
			}

			/// Binary exponential implementation.
			/// \param arg function argument