do not output ks_pw dos when performing SDFT calculations

Author: mohanchen

source/source_esolver/esolver_ks_pw.cpp

@@ -775,6 +775,13 @@ void ESolver_KS_PW<T, Device>::after_scf(UnitCell& ucell, const int istep, const
 			out_dos_tmp = false;
 		}
 
+        // the above is only valid for KSDFT, not SDFT
+        // this part needs update in the near future
+		if (PARAM.inp.esolver_type == "sdft")
+		{
+			out_dos_tmp = false;
+		}
+
 		if(out_dos_tmp)
 		{
 			ModuleIO::write_dos_pw(ucell,

source/source_pw/module_stodft/sto_dos.cpp

@@ -240,7 +240,7 @@ void Sto_DOS<FPTYPE, Device>::caldos(const double sigmain, const double de, cons
 #endif
     if (GlobalV::MY_RANK == 0)
     {
-        std::string dosfile = PARAM.globalv.global_out_dir + "doss1_pw.txt";
+        std::string dosfile = PARAM.globalv.global_out_dir + "dos_sdft.txt";
         ofsdos.open(dosfile.c_str());
         double maxerror = 0;
         double sum = 0;