X-Git-Url: http://mmka.chem.univ.gda.pl/gitweb/?a=blobdiff_plain;f=source%2Funres%2Fsrc_MD%2Freadrtns.F;h=8f70874b6f849099d7a6671df9fe624201167327;hb=fbc0f12bd8022b2c766eb8c350e7bb0451816c1d;hp=08d41250c0abee467407764576d301cf78055c84;hpb=f754eecac3c8a4547d905cca354f9a0db1531729;p=unres.git

diff --git a/source/unres/src_MD/readrtns.F b/source/unres/src_MD/readrtns.F
index 08d4125..8f70874 100644
--- a/source/unres/src_MD/readrtns.F
+++ b/source/unres/src_MD/readrtns.F
@@ -1076,11 +1076,6 @@ czscore          call geom_to_var(nvar,coord_exp_zs(1,1))
           enddo
           call contact(.true.,ncont_ref,icont_ref,co)
         endif
-c        write (iout,*) "constr_dist",constr_dist,nstart_sup,nsup
-        call flush(iout)
-        if (constr_dist.gt.0) call read_dist_constr
-c        write (iout,*) "After read_dist_constr nhpb",nhpb
-        call hpb_partition
         if(me.eq.king.or..not.out1file)
      &   write (iout,*) 'Contact order:',co
         if (pdbref) then
@@ -1097,6 +1092,13 @@ c        write (iout,*) "After read_dist_constr nhpb",nhpb
         enddo
         endif
       endif
+c        write (iout,*) "constr_dist",constr_dist,nstart_sup,nsup
+      if (constr_dist.gt.0) then
+        call read_dist_constr
+        call hpb_partition
+      endif
+c      write (iout,*) "After read_dist_constr nhpb",nhpb
+      call flush(iout)
       if (indpdb.eq.0 .and. modecalc.ne.2 .and. modecalc.ne.4
      &    .and. modecalc.ne.8 .and. modecalc.ne.9 .and. 
      &    modecalc.ne.10) then
@@ -2402,6 +2404,18 @@ c      write (iout,*) "IPAIR"
 c      do i=1,npair_
 c        write (iout,*) i,ipair_(1,i),ipair_(2,i),wpair_(i)
 c      enddo
+      if (.not.refstr .and. nfrag.gt.0) then
+        write (iout,*) 
+     &  "ERROR: no reference structure to compute distance restraints"
+        write (iout,*)
+     &  "Restraints must be specified explicitly (NDIST=number)"
+        stop 
+      endif
+      if (nfrag.lt.2 .and. npair.gt.0) then 
+        write (iout,*) "ERROR: Less than 2 fragments specified",
+     &   " but distance restraints between pairs requested"
+        stop 
+      endif 
       call flush(iout)
       do i=1,nfrag_
         if (ifrag_(1,i).lt.nstart_sup) ifrag_(1,i)=nstart_sup
@@ -2491,7 +2505,7 @@ c        write (iout,*) i,ifrag_(1,i),ifrag_(2,i),wfrag_(i)
 #ifdef MPI
       if (.not.out1file .or. me.eq.king) then
 #endif
-      do i=1,nhbp
+      do i=1,nhpb
           write (iout,'(a,3i5,2f8.2,i2,f10.1)') "+dist.constr ",
      &     i,ihpb(i),jhpb(i),dhpb(i),dhpb1(i),ibecarb(i),forcon(i)
       enddo