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() doublecomplex cdsub ( doublecomplex  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.