_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

_csub_sub() void _csub_sub ( double _Complex  a, double _Complex  b, double _Complex *  sub  ) Subtraction of complex number from complex number Purpose Subtracts complex number from complex number. csub_sub is the subroutine version of csub. Parameters [in] a Complex number a. [in] b Complex number b. [out] sub a - b.