_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

ctan_sub() void ctan_sub ( doublecomplex  z, doublecomplex *  tanz  ) tan(z) of complex number Purpose ctan_sub is the subroutine version of C99 function ctan. Parameters [in] z Complex argument z. [out] tanz tan(z).