if EXX was active the code restart with density and wave functions from

the previous iteration but reset rho history. seems to work.


git-svn-id: http://qeforge.qe-forge.org/svn/q-e/trunk/espresso@6644 c92efa57-630b-4861-b058-cf58834340f0

PW/electrons.f90

@@ -133,6 +133,11 @@ SUBROUTINE electrons()
         !
      END IF
      !
+     IF( exx_is_active() ) THEN
+       iter = 0
+       call save_in_electrons( iter, dr2 )
+       WRITE( stdout, '(5x,"EXX: now go back to refine exchange calculation")')
+     ENDIF
   END IF
   !
   WRITE( stdout, 9000 ) get_clock( 'PWSCF' )