********>Bugfix 22:
Author: Ross Walker & Mark Williamson

Date:   June 10, 2009

Programs: sander, sander.MPI

Description: AMBER 10 does not support CHARMM prmtop files. This patch
             makes sure that it quits with a suitable error message instead
             of silently running generating incorrect results.

Use this patch to update amber10/src/sander/rdparm.f

------------------------------------------------------------------------------
--- rdparm.f	2009-06-10 17:57:04.000000000 -0700
+++ rdparm.f	2009-06-10 17:58:38.000000000 -0700
@@ -159,6 +159,12 @@
          write(6,'("|")')
          write(6,'(a,a)') '| CHARMM force field in use. '
          charmm = .true.
+
+         !AMBER 10 does not support CHARMM prmtop files quit
+         !with an error message.
+         call sander_bomb('rdparm','CHARMM prmtop file detected.', &
+                          'AMBER 10 does not support CHARMM prmtop files.')
+
          !test to see if scee and scnb are set to 1.0
          if (scee /= 1.0d0) then
            write(6,'(a)') ' WARNING: CHARMM force field is in use but scee /= 1.0.'
------------------------------------------------------------------------------
Temporary workarounds: None