_csin_sub cacos_sub cacosh_sub casin_sub casinh_sub catan_sub catanh_sub ccos_sub ccosh_sub ccot ccot_sub cexp_sub cexpm1 cexpm1_sub clog1p clog1p_sub clog_sub csinh_sub ctan_sub ctanh_sub

ccot_sub() void ccot_sub ( doublecomplex  z, doublecomplex *  cotz  ) cot(z) of complex number Purpose ccot_sub computes the cotangent of complex number z in radians. ccot_sub is the subroutine version of ccot. Parameters [in] z Complex argument z. [out] cotz cot(z). Error handling Range error (ERANGE) may occur.