_cadd _cadd_sub _cdadd _cdadd_sub _cddiv _cddiv_sub _cdiv _cdiv_sub _cdmul _cdmul_sub _cdpow _cdpow_sub _cdsub _cdsub_sub _cipow _cipow_sub _cminus _cminus_sub _cmplx _cmplx_sub _cmul _cmul_sub _conj_sub _cpolar _cpolar_sub _cpow_sub _cproj_sub _csub _csub_sub _dcdiv _dcdiv_sub _dcsub _dcsub_sub

_cproj_sub() void _cproj_sub ( double _Complex  z, double _Complex *  projz  ) Projection of complex number on Riemann sphere Purpose cproj_sub computes projection of complex number on Riemann sphere. cproj_sub is the subroutine version of C99 function cproj. Parameters [in] z Complex number z. [out] projz Projection of complex number z on Riemann sphere.