Cacos Cacosh Casin Casinh Catan Catanh Ccos Ccosh Ccot Cexp Cexpm1 Clog Clog1p Csin Csinh Ctan Ctanh

Cexpm1() Function Cexpm1 ( Z As  Complex, Optional Info As  Long  ) Complex exp(z)-1 Purpose Evaluates exp(z) - 1 accurately in the sense of relative error when z is very small. Returns Complex exp(z) - 1. Parameters [in] Z Complex argument z. [out] Info (Optional) = 0: Successful exit. = 1: Floating point range error.