_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

_cdsub() double _Complex _cdsub ( double _Complex  a, double  rb  ) Subtraction of real number from complex number Purpose Subtracts real number from complex number. Returns a - rb. Parameters [in] a Complex number a. [in] rb Real number rb.