Changes suggested by Ana
[unres.git] / source / unres / src_MD-M / chainbuild.F
index 45a1a53..0721b72 100644 (file)
@@ -12,9 +12,122 @@ C
       include 'COMMON.IOUNITS'
       include 'COMMON.NAMES'
       include 'COMMON.INTERACT'
-      logical lprn
+      double precision e1(3),e2(3),e3(3)
+      logical lprn,perbox,fail
 C Set lprn=.true. for debugging
       lprn = .false.
+      perbox=.false.
+      fail=.false.
+      print *, 'enter chainbuild' 
+      if (perbox) then
+      cost=dcos(theta(3))
+      sint=dsin(theta(3))
+      print *,'before refsys'
+      call refsys(2,3,4,e1,e2,e3,fail)
+      print *,'after refsys'
+          if (fail) then
+            e2(1)=0.0d0
+            e2(2)=1.0d0
+            e2(3)=0.0d0
+          endif
+      dc(1,0)=c(1,1)
+      dc(2,0)=c(2,1)
+      dc(3,0)=c(3,1)
+      print *,'dc',dc(1,0),dc(2,0),dc(3,0)
+      dc(1,1)=c(1,2)-c(1,1)
+      dc(2,1)=c(2,2)-c(2,1)
+      dc(3,1)=c(3,2)-c(3,1)
+      dc(1,2)=c(1,3)-c(1,2)
+      dc(2,2)=c(2,3)-c(2,2)
+      dc(3,2)=c(3,3)-c(3,2)
+      t(1,1,1)=e1(1)
+      t(1,2,1)=e1(2)
+      t(1,3,1)=e1(3)
+      t(2,1,1)=e2(1)
+      t(2,2,1)=e2(2)
+      t(2,3,1)=e2(3)
+      t(3,1,1)=e3(1)
+      t(3,2,1)=e3(2)
+      t(3,3,1)=e3(3)
+      veclen=0.0d0
+      do i=1,3
+       veclen=veclen+(c(i,2)-c(i,1))**2
+      enddo
+      veclen=sqrt(veclen)
+      r(1,1,1)= 1.0D0
+      r(1,2,1)= 0.0D0
+      r(1,3,1)= 0.0D0
+      r(2,1,1)= 0.0D0
+      r(2,2,1)= 1.0D0
+      r(2,3,1)= 0.0D0
+      r(3,1,1)= 0.0D0
+      r(3,2,1)= 0.0D0
+      r(3,3,1)= 1.0D0
+      do i=1,3
+        do j=1,3
+          rt(i,j,1)=t(i,j,1)
+        enddo
+      enddo
+      do i=1,3
+        do j=1,3
+          prod(i,j,1)=0.0D0
+          prod(i,j,2)=t(i,j,1)
+        enddo
+        prod(i,i,1)=1.0D0
+      enddo
+        call locate_side_chain(2)
+      do i=4,nres
+#ifdef OSF
+      theti=theta(i)
+      if (theti.ne.theti) theti=100.0
+      phii=phi(i)
+      if (phii.ne.phii) phii=180.0
+#else
+      theti=theta(i)
+      phii=phi(i)
+#endif
+      cost=dcos(theti)
+      sint=dsin(theti)
+      cosphi=dcos(phii)
+      sinphi=dsin(phii)
+* Define the matrices of the rotation about the virtual-bond valence angles
+* theta, T(i,j,k), virtual-bond dihedral angles gamma (miscalled PHI in this
+* program), R(i,j,k), and, the cumulative matrices of rotation RT
+      t(1,1,i-2)=-cost
+      t(1,2,i-2)=-sint
+      t(1,3,i-2)= 0.0D0
+      t(2,1,i-2)=-sint
+      t(2,2,i-2)= cost
+      t(2,3,i-2)= 0.0D0
+      t(3,1,i-2)= 0.0D0
+      t(3,2,i-2)= 0.0D0
+      t(3,3,i-2)= 1.0D0
+      r(1,1,i-2)= 1.0D0
+      r(1,2,i-2)= 0.0D0
+      r(1,3,i-2)= 0.0D0
+      r(2,1,i-2)= 0.0D0
+      r(2,2,i-2)=-cosphi
+      r(2,3,i-2)= sinphi
+      r(3,1,i-2)= 0.0D0
+      r(3,2,i-2)= sinphi
+      r(3,3,i-2)= cosphi
+      rt(1,1,i-2)=-cost
+      rt(1,2,i-2)=-sint
+      rt(1,3,i-2)=0.0D0
+      rt(2,1,i-2)=sint*cosphi
+      rt(2,2,i-2)=-cost*cosphi
+      rt(2,3,i-2)=sinphi
+      rt(3,1,i-2)=-sint*sinphi
+      rt(3,2,i-2)=cost*sinphi
+      rt(3,3,i-2)=cosphi
+        call matmult(prod(1,1,i-2),rt(1,1,i-2),prod(1,1,i-1))
+      do j=1,3
+        dc_norm(j,i-1)=prod(j,1,i-1)
+        dc(j,i-1)=vbld(i)*prod(j,1,i-1)
+      enddo
+        call locate_side_chain(i-1)
+       enddo
+      else
 C
 C Define the origin and orientation of the coordinate system and locate the
 C first three CA's and SC(2).
@@ -59,7 +172,7 @@ C
  1212 format (a3,'(',i3,')',2(f10.5,2f10.2))
 
       endif
-
+      endif
       return
       end
 c-------------------------------------------------------------------------
@@ -126,8 +239,8 @@ C
       dc_norm(3,1)=0.0D0
       do j=1,3
         dc_norm(j,2)=prod(j,1,2)
-       dc(j,2)=vbld(3)*prod(j,1,2)
-       c(j,3)=c(j,2)+dc(j,2)
+        dc(j,2)=vbld(3)*prod(j,1,2)
+        c(j,3)=c(j,2)+dc(j,2)
       enddo
       call locate_side_chain(2)
       return
@@ -272,3 +385,255 @@ cd   &   xp,yp,zp,(xx(k),k=1,3)
       enddo
       return
       end
+c------------------------------------------
+      subroutine returnbox
+      include 'DIMENSIONS'
+#ifdef MPI
+      include 'mpif.h'
+#endif
+      include 'COMMON.CONTROL'
+      include 'COMMON.VAR'
+      include 'COMMON.MD'
+#ifndef LANG0
+      include 'COMMON.LANGEVIN'
+#else
+      include 'COMMON.LANGEVIN.lang0'
+#endif
+      include 'COMMON.CHAIN'
+      include 'COMMON.DERIV'
+      include 'COMMON.GEO'
+      include 'COMMON.LOCAL'
+      include 'COMMON.INTERACT'
+      include 'COMMON.IOUNITS'
+      include 'COMMON.NAMES'
+      include 'COMMON.TIME1'
+      include 'COMMON.REMD'
+      include 'COMMON.SETUP'
+      include 'COMMON.MUCA'
+      include 'COMMON.HAIRPIN'
+C change suggested by Ana - begin
+      integer allareout
+C change suggested by Ana - end
+        j=1
+        chain_beg=1
+C        do i=1,nres
+C       write(*,*) 'initial', i,j,c(j,i)
+C        enddo
+C change suggested by Ana - begin
+        allareout=1
+C change suggested by Ana -end
+        do i=1,nres-1
+         if ((itype(i).eq.ntyp1).and.(itype(i+1).eq.ntyp1)) then
+          chain_end=i
+          if (allareout.eq.1) then
+            ireturnval=int(c(j,i)/boxxsize)
+            if (c(j,i).le.0) ireturnval=ireturnval-1
+            do k=chain_beg,chain_end
+              c(j,k)=c(j,k)-ireturnval*boxxsize
+              c(j,k+nres)=c(j,k+nres)-ireturnval*boxxsize
+            enddo
+C Suggested by Ana
+            if (chain_beg.eq.1) 
+     &      dc_old(1,0)=dc_old(1,0)-ireturnval*boxxsize
+C Suggested by Ana -end
+           endif
+           chain_beg=i+1
+           allareout=1
+         else
+          if (int(c(j,i)/boxxsize).eq.0) allareout=0
+         endif
+        enddo
+         if (allareout.eq.1) then
+            ireturnval=int(c(j,i)/boxxsize)
+            if (c(j,i).le.0) ireturnval=ireturnval-1
+            do k=chain_beg,nres
+              c(j,k)=c(j,k)-ireturnval*boxxsize
+              c(j,k+nres)=c(j,k+nres)-ireturnval*boxxsize
+            enddo
+          endif
+C NO JUMP 
+C        do i=1,nres
+C        write(*,*) 'befor no jump', i,j,c(j,i)
+C        enddo
+        nojumpval=0
+        do i=2,nres
+           if (itype(i).eq.ntyp1 .and. itype(i-1).eq.ntyp1) then
+             difference=abs(c(j,i-1)-c(j,i))
+C             print *,'diff', difference
+             if (difference.gt.boxxsize/2.0) then
+                if (c(j,i-1).gt.c(j,i)) then
+                  nojumpval=1
+                 else
+                   nojumpval=-1
+                 endif
+              else
+              nojumpval=0
+              endif
+              endif
+              c(j,i)=c(j,i)+nojumpval*boxxsize
+              c(j,i+nres)=c(j,i+nres)+nojumpval*boxxsize
+         enddo
+       nojumpval=0
+        do i=2,nres
+           if (itype(i).eq.ntyp1 .and. itype(i-1).eq.ntyp1) then
+             difference=abs(c(j,i-1)-c(j,i))
+             if (difference.gt.boxxsize/2.0) then
+                if (c(j,i-1).gt.c(j,i)) then
+                  nojumpval=1
+                 else
+                   nojumpval=-1
+                 endif
+              else
+              nojumpval=0
+              endif
+             endif
+              c(j,i)=c(j,i)+nojumpval*boxxsize
+              c(j,i+nres)=c(j,i+nres)+nojumpval*boxxsize
+         enddo
+
+C        do i=1,nres
+C        write(*,*) 'after no jump', i,j,c(j,i)
+C        enddo
+
+C NOW Y dimension
+C suggesed by Ana begins
+        allareout=1
+C suggested by Ana ends
+        j=2
+        chain_beg=1
+        do i=1,nres-1
+         if ((itype(i).eq.ntyp1).and.(itype(i+1).eq.ntyp1)) then
+          chain_end=i
+          if (allareout.eq.1) then
+            ireturnval=int(c(j,i)/boxysize)
+            if (c(j,i).le.0) ireturnval=ireturnval-1
+            do k=chain_beg,chain_end
+              c(j,k)=c(j,k)-ireturnval*boxysize
+             c(j,k+nres)=c(j,k+nres)-ireturnval*boxysize
+            enddo
+C Suggested by Ana
+            if (chain_beg.eq.1)
+     &      dc_old(1,0)=dc_old(1,0)-ireturnval*boxxsize
+C Suggested by Ana -end
+           endif
+           chain_beg=i+1
+           allareout=1
+         else
+          if (int(c(j,i)/boxysize).eq.0) allareout=0
+         endif
+        enddo
+         if (allareout.eq.1) then
+            ireturnval=int(c(j,i)/boxysize)
+            if (c(j,i).le.0) ireturnval=ireturnval-1
+            do k=chain_beg,nres
+              c(j,k)=c(j,k)-ireturnval*boxysize
+              c(j,k+nres)=c(j,k+nres)-ireturnval*boxysize
+            enddo
+          endif
+        nojumpval=0
+        do i=2,nres
+           if (itype(i).eq.ntyp1 .and. itype(i-1).eq.ntyp1) then
+             difference=abs(c(j,i-1)-c(j,i))
+             if (difference.gt.boxysize/2.0) then
+                if (c(j,i-1).gt.c(j,i)) then
+                  nojumpval=1
+                 else
+                   nojumpval=-1
+                 endif
+             else
+              nojumpval=0
+              endif
+           endif
+              c(j,i)=c(j,i)+nojumpval*boxysize
+              c(j,i+nres)=c(j,i+nres)+nojumpval*boxysize
+         enddo
+      nojumpval=0
+        do i=2,nres
+           if (itype(i).eq.ntyp1 .and. itype(i-1).eq.ntyp1) then
+             difference=abs(c(j,i-1)-c(j,i))
+             if (difference.gt.boxysize/2.0) then
+                if (c(j,i-1).gt.c(j,i)) then
+                  nojumpval=1
+                 else
+                   nojumpval=-1
+                 endif
+              else
+              nojumpval=0
+              endif
+            endif
+              c(j,i)=c(j,i)+nojumpval*boxysize
+              c(j,i+nres)=c(j,i+nres)+nojumpval*boxysize
+         enddo
+C Now Z dimension
+C Suggested by Ana -begins
+        allareout=1
+C Suggested by Ana -ends
+       j=3
+        chain_beg=1
+        do i=1,nres-1
+         if ((itype(i).eq.ntyp1).and.(itype(i+1).eq.ntyp1)) then
+          chain_end=i
+          if (allareout.eq.1) then
+            ireturnval=int(c(j,i)/boxysize)
+            if (c(j,i).le.0) ireturnval=ireturnval-1
+            do k=chain_beg,chain_end
+              c(j,k)=c(j,k)-ireturnval*boxzsize
+              c(j,k+nres)=c(j,k+nres)-ireturnval*boxzsize
+            enddo
+C Suggested by Ana
+            if (chain_beg.eq.1)
+     &      dc_old(1,0)=dc_old(1,0)-ireturnval*boxxsize
+C Suggested by Ana -end
+           endif
+           chain_beg=i+1
+           allareout=1
+         else
+          if (int(c(j,i)/boxzsize).eq.0) allareout=0
+         endif
+        enddo
+         if (allareout.eq.1) then
+            ireturnval=int(c(j,i)/boxzsize)
+            if (c(j,i).le.0) ireturnval=ireturnval-1
+            do k=chain_beg,nres
+              c(j,k)=c(j,k)-ireturnval*boxzsize
+              c(j,k+nres)=c(j,k+nres)-ireturnval*boxzsize
+            enddo
+          endif
+        nojumpval=0
+        do i=2,nres
+           if (itype(i).eq.ntyp1 .and. itype(i-1).eq.ntyp1) then
+             difference=abs(c(j,i-1)-c(j,i))
+             if (difference.gt.(boxzsize/2.0)) then
+                if (c(j,i-1).gt.c(j,i)) then
+                  nojumpval=1
+                 else
+                   nojumpval=-1
+                 endif
+              else
+              nojumpval=0
+              endif
+            endif
+              c(j,i)=c(j,i)+nojumpval*boxzsize
+              c(j,i+nres)=c(j,i+nres)+nojumpval*boxzsize
+         enddo
+       nojumpval=0
+        do i=2,nres
+           if (itype(i).eq.ntyp1 .and. itype(i-1).eq.ntyp1) then
+             difference=abs(c(j,i-1)-c(j,i))
+             if (difference.gt.boxzsize/2.0) then
+                if (c(j,i-1).gt.c(j,i)) then
+                  nojumpval=1
+                 else
+                   nojumpval=-1
+                 endif
+              else
+              nojumpval=0
+              endif
+            endif
+             c(j,i)=c(j,i)+nojumpval*boxzsize
+              c(j,i+nres)=c(j,i+nres)+nojumpval*boxzsize
+         enddo
+
+        return
+        end
+