Adam's new constr_dist single chain
[unres.git] / source / unres / src_MD / energy_p_new_barrier.F
index 7e042b9..236fdc2 100644 (file)
@@ -4365,8 +4365,13 @@ C
       include 'COMMON.CONTROL'
       dimension ggg(3)
       ehpb=0.0D0
+      do i=1,3
+       ggg(i)=0.0d0
+      enddo
+C      write (iout,*) ,"link_end",link_end,constr_dist
 cd      write(iout,*)'edis: nhpb=',nhpb,' fbr=',fbr
-cd      write(iout,*)'link_start=',link_start,' link_end=',link_end
+c      write(iout,*)'link_start=',link_start,' link_end=',link_end,
+c     &  " constr_dist",constr_dist
       if (link_end.eq.0) return
       do i=link_start,link_end
 C If ihpb(i) and jhpb(i) > NRES, this is a SC-SC distance, otherwise a
@@ -4385,106 +4390,81 @@ c        write (iout,*) "i",i," ii",ii," iii",iii," jj",jj," jjj",jjj,
 c     &    dhpb(i),dhpb1(i),forcon(i)
 C 24/11/03 AL: SS bridges handled separately because of introducing a specific
 C    distance and angle dependent SS bond potential.
+C        if (ii.gt.nres .and. iabs(itype(iii)).eq.1 .and.
+C     & iabs(itype(jjj)).eq.1) then
 cmc        if (ii.gt.nres .and. itype(iii).eq.1 .and. itype(jjj).eq.1) then
 C 18/07/06 MC: Use the convention that the first nss pairs are SS bonds
         if (.not.dyn_ss .and. i.le.nss) then
 C 15/02/13 CC dynamic SSbond - additional check
-         if (ii.gt.nres 
-     &       .and. itype(iii).eq.1 .and. itype(jjj).eq.1) then 
-          call ssbond_ene(iii,jjj,eij)
-          ehpb=ehpb+2*eij
+          if (ii.gt.nres .and. iabs(itype(iii)).eq.1 .and.
+     &        iabs(itype(jjj)).eq.1) then
+           call ssbond_ene(iii,jjj,eij)
+           ehpb=ehpb+2*eij
          endif
 cd          write (iout,*) "eij",eij
-        else if (ii.gt.nres .and. jj.gt.nres) then
-c Restraints from contact prediction
-          dd=dist(ii,jj)
-          if (constr_dist.eq.11) then
-            ehpb=ehpb+fordepth(i)**4.0d0
-     &          *rlornmr1(dd,dhpb(i),dhpb1(i),forcon(i))
-            fac=fordepth(i)**4.0d0
-     &          *rlornmr1prim(dd,dhpb(i),dhpb1(i),forcon(i))/dd
-          if (energy_dec) write (iout,'(a6,2i5,f15.6,2f8.3)') 
-     &     "edisl",ii,jj,
-     &     fordepth(i)**4.0d0*rlornmr1(dd,dhpb(i),dhpb1(i),forcon(i)),
-     &     fordepth(i),dd
-           else
-          if (dhpb1(i).gt.0.0d0) then
-            ehpb=ehpb+2*forcon(i)*gnmr1(dd,dhpb(i),dhpb1(i))
-            fac=forcon(i)*gnmr1prim(dd,dhpb(i),dhpb1(i))/dd
-c            write (iout,*) "beta nmr",
-c     &        dd,2*forcon(i)*gnmr1(dd,dhpb(i),dhpb1(i))
-          else
-            dd=dist(ii,jj)
-            rdis=dd-dhpb(i)
-C Get the force constant corresponding to this distance.
-            waga=forcon(i)
-C Calculate the contribution to energy.
-            ehpb=ehpb+waga*rdis*rdis
-c            write (iout,*) "beta reg",dd,waga*rdis*rdis
-C
-C Evaluate gradient.
-C
-            fac=waga*rdis/dd
-          endif
-          endif
-          do j=1,3
-            ggg(j)=fac*(c(j,jj)-c(j,ii))
-          enddo
-          do j=1,3
-            ghpbx(j,iii)=ghpbx(j,iii)-ggg(j)
-            ghpbx(j,jjj)=ghpbx(j,jjj)+ggg(j)
-          enddo
-          do k=1,3
-            ghpbc(k,jjj)=ghpbc(k,jjj)+ggg(k)
-            ghpbc(k,iii)=ghpbc(k,iii)-ggg(k)
-          enddo
-        else
+cd   &   ' waga=',waga,' fac=',fac
+!        else if (ii.gt.nres .and. jj.gt.nres) then
+        else 
 C Calculate the distance between the two points and its difference from the
 C target distance.
           dd=dist(ii,jj)
-         if (constr_dist.eq.11) then
-            ehpb=ehpb+fordepth(i)**4.0d0
+          if (irestr_type(i).eq.11) then
+            ehpb=ehpb+fordepth(i)!**4.0d0
      &           *rlornmr1(dd,dhpb(i),dhpb1(i),forcon(i))
-            fac=fordepth(i)**4.0d0
+            fac=fordepth(i)!**4.0d0
      &           *rlornmr1prim(dd,dhpb(i),dhpb1(i),forcon(i))/dd
-          if (energy_dec) write (iout,'(a6,2i5,f15.6,2f8.3)') 
-     7     "edisl",ii,jj,
-     &     fordepth(i)**4.0d0*rlornmr1(dd,dhpb(i),dhpb1(i),forcon(i)),
-     &     fordepth(i),dd
-c          if (energy_dec)
-c     &      write (iout,*) fac
-         else   
-          if (dhpb1(i).gt.0.0d0) then
-            ehpb=ehpb+2*forcon(i)*gnmr1(dd,dhpb(i),dhpb1(i))
+            if (energy_dec) write (iout,'(a6,2i5,6f10.3,i5)')
+     &        "edisL",ii,jj,dd,dhpb(i),dhpb1(i),forcon(i),fordepth(i),
+     &        ehpb,irestr_type(i)
+          else if (irestr_type(i).eq.10) then
+c AL 6//19/2018 cross-link restraints
+            xdis = 0.5d0*(dd/forcon(i))**2
+            expdis = dexp(-xdis)
+c            aux=(dhpb(i)+dhpb1(i)*xdis)*expdis+fordepth(i)
+            aux=(dhpb(i)+dhpb1(i)*xdis*xdis)*expdis+fordepth(i)
+c            write (iout,*)"HERE: xdis",xdis," expdis",expdis," aux",aux,
+c     &          " wboltzd",wboltzd
+            ehpb=ehpb-wboltzd*xlscore(i)*dlog(aux)
+c            fac=-wboltzd*(dhpb1(i)*(1.0d0-xdis)-dhpb(i))
+            fac=-wboltzd*xlscore(i)*(dhpb1(i)*(2.0d0-xdis)*xdis-dhpb(i))
+     &           *expdis/(aux*forcon(i)**2)
+            if (energy_dec) write(iout,'(a6,2i5,6f10.3,i5)') 
+     &        "edisX",ii,jj,dd,dhpb(i),dhpb1(i),forcon(i),fordepth(i),
+     &        -wboltzd*xlscore(i)*dlog(aux),irestr_type(i)
+          else if (irestr_type(i).eq.2) then
+c Quartic restraints
+            ehpb=ehpb+forcon(i)*gnmr1(dd,dhpb(i),dhpb1(i))
+            if (energy_dec) write(iout,'(a6,2i5,5f10.3,i5)') 
+     &      "edisQ",ii,jj,dd,dhpb(i),dhpb1(i),forcon(i),
+     &      forcon(i)*gnmr1(dd,dhpb(i),dhpb1(i)),irestr_type(i)
             fac=forcon(i)*gnmr1prim(dd,dhpb(i),dhpb1(i))/dd
-c            write (iout,*) "alph nmr",
-c     &        dd,2*forcon(i)*gnmr1(dd,dhpb(i),dhpb1(i))
           else
+c Quadratic restraints
             rdis=dd-dhpb(i)
 C Get the force constant corresponding to this distance.
             waga=forcon(i)
 C Calculate the contribution to energy.
-            ehpb=ehpb+waga*rdis*rdis
-c            write (iout,*) "alpha reg",dd,waga*rdis*rdis
+            ehpb=ehpb+0.5d0*waga*rdis*rdis
+            if (energy_dec) write(iout,'(a6,2i5,5f10.3,i5)') 
+     &      "edisS",ii,jj,dd,dhpb(i),dhpb1(i),forcon(i),
+     &       0.5d0*waga*rdis*rdis,irestr_type(i)
 C
 C Evaluate gradient.
 C
             fac=waga*rdis/dd
           endif
-         endif
-cd      print *,'i=',i,' ii=',ii,' jj=',jj,' dhpb=',dhpb(i),' dd=',dd,
-cd   &   ' waga=',waga,' fac=',fac
-            do j=1,3
-              ggg(j)=fac*(c(j,jj)-c(j,ii))
-            enddo
+c Calculate Cartesian gradient
+          do j=1,3
+            ggg(j)=fac*(c(j,jj)-c(j,ii))
+          enddo
 cd      print '(i3,3(1pe14.5))',i,(ggg(j),j=1,3)
 C If this is a SC-SC distance, we need to calculate the contributions to the
 C Cartesian gradient in the SC vectors (ghpbx).
           if (iii.lt.ii) then
-          do j=1,3
-            ghpbx(j,iii)=ghpbx(j,iii)-ggg(j)
-            ghpbx(j,jjj)=ghpbx(j,jjj)+ggg(j)
-          enddo
+            do j=1,3
+              ghpbx(j,iii)=ghpbx(j,iii)-ggg(j)
+              ghpbx(j,jjj)=ghpbx(j,jjj)+ggg(j)
+            enddo
           endif
 cgrad        do j=iii,jjj-1
 cgrad          do k=1,3
@@ -4497,10 +4477,6 @@ cgrad        enddo
           enddo
         endif
       enddo
-      if (constr_dist.ne.11) ehpb=0.5D0*ehpb
-c      do i=1,nres
-c        write (iout,*) "ghpbc",i,(ghpbc(j,i),j=1,3)
-c      enddo
       return
       end
 C--------------------------------------------------------------------------
@@ -5521,7 +5497,8 @@ c     &   sumene4,
 c     &   dscp1,dscp2,sumene
 c        sumene = enesc(x,xx,yy,zz,cost2tab(i+1),sint2tab(i+1))
         escloc = escloc + sumene
-c        write (2,*) "i",i," escloc",sumene,escloc
+        if (energy_dec) write (iout,'(a6,i5,0pf7.3)')
+     &     'escloc',i,sumene
 #ifdef DEBUG
 C
 C This section to check the numerical derivatives of the energy of ith side
@@ -6102,6 +6079,7 @@ c
      &                     (distance(k)**2+sigma_odlir(k,ii)**2))
            endif
          enddo
+c         write (iout,*) "distance: ii",ii," nexl",nexl
          
 
 c         min_odl=minval(distancek)
@@ -6273,14 +6251,10 @@ c      write (iout,*) idihconstr_start_homo,idihconstr_end_homo
       enddo
 #endif
       do i=idihconstr_start_homo,idihconstr_end_homo
-#ifdef OLDRESTR
-        kat2=0.0d0
-#else
-        kat2=nexl
-#endif
 c        betai=beta(i,i+1,i+2,i+3)
         betai = phi(i)
 c       write (iout,*) "betai =",betai
+        kat2=0.0d0
         do k=1,constr_homology
           dih_diff(k)=pinorm(dih(k,i)-betai)
 c         write (iout,*) "dih_diff(",k,") =",dih_diff(k)
@@ -6296,8 +6270,8 @@ c     &                                   6.28318+dih_diff(i,k)
 c         kat3=-0.5d0*waga_angle*dih_diff(k)**2*sigma_dih(k,i)
           gdih(k)=dexp(kat3)
           kat2=kat2+gdih(k)
-c          write(iout,*) "kat2=", kat2, "exp(kat3)=", exp(kat3)
-c          write(*,*)""
+c          write(iout,*) "i",i," k",k," sigma",sigma_dih(k,i),
+c     &     " kat2=", kat2, "gdih=",gdih(k)
         enddo
 c       write (iout,*) "gdih",(gdih(k),k=1,constr_homology) ! exps
 c       write (iout,*) "i",i," betai",betai," kat2",kat2 ! sum of exps
@@ -6389,11 +6363,7 @@ c
 c Deviation of theta angles wrt constr_homology ref structures
 c
         utheta_i=0.0d0 ! argument of Gaussian for single k
-#ifdef OLDRESTR
         gutheta_i=0.0d0 ! Sum of Gaussians over constr_homology ref structures
-#else
-        gutheta_i=nexl
-#endif
 c       do j=ifrag_back(1,i,iset)+2,ifrag_back(2,i,iset) ! original loop
 c       over residues in a fragment
 c       write (iout,*) "theta(",i,")=",theta(i)
@@ -6407,6 +6377,8 @@ c
 c         utheta_i=-0.5d0*waga_theta*theta_diff(k)**2*sigma_theta(k,i) ! waga_theta?
           gtheta(k)=dexp(utheta_i) ! + min_utheta_i?
           gutheta_i=gutheta_i+gtheta(k)  ! Sum of Gaussians (pk)
+c          write (iout,*) "i",i," k",k," sigma_theta",sigma_theta(k,i),
+c     &     " gtheta",gtheta(k)
 c         Gradient for single Gaussian restraint in subr Econstr_back
 c         dutheta(j-2)=dutheta(j-2)+wfrag_back(1,i,iset)*dtheta_i/(ii-1)
 c
@@ -6461,11 +6433,7 @@ c     write (iout,*) "waga_d",waga_d
 #endif
       do i=loc_start,loc_end
         usc_diff_i=0.0d0 ! argument of Gaussian for single k
-#ifdef OLDRESTR
         guscdiff(i)=0.0d0 ! Sum of Gaussians over constr_homology ref structures
-#else
-        guscdiff(i)=nexl
-#endif
 c       do j=ifrag_back(1,i,iset)+1,ifrag_back(2,i,iset)-1 ! Econstr_back legacy
 c       write(iout,*) "xxtab, yytab, zztab"
 c       write(iout,'(i5,3f8.2)') i,xxtab(i),yytab(i),zztab(i)
@@ -6482,6 +6450,8 @@ c
 c         usc_diff(i)=-0.5d0*waga_d*(dxx**2+dyy**2+dzz**2)*sigma_d(k,i) ! waga_d?
 c         uscdiffk(k)=usc_diff(i)
           guscdiff2(k)=dexp(usc_diff_i) ! without min_scdiff
+c          write(iout,*) "i",i," k",k," sigma_d",sigma_d(k,i),
+c     &       " guscdiff2",guscdiff2(k)
           guscdiff(i)=guscdiff(i)+guscdiff2(k)  !Sum of Gaussians (pk)
 c          write (iout,'(i5,6f10.5)') j,xxtab(j),yytab(j),zztab(j),
 c     &      xxref(j),yyref(j),zzref(j)
@@ -6754,7 +6724,6 @@ c      lprn=.true.
 c      write (iout,*) "EBACK_SC_COR",iphi_start,iphi_end,nterm_sccor
       esccor=0.0D0
       do i=itau_start,itau_end
-        esccor_ii=0.0D0
         if ((itype(i-2).eq.ntyp1).or.(itype(i-1).eq.ntyp1)) cycle
         isccori=isccortyp(itype(i-2))
         isccori1=isccortyp(itype(i-1))
@@ -6767,6 +6736,7 @@ c(see comment below)
 
         
         do intertyp=1,3 !intertyp
+         esccor_ii=0.0D0
 cc Added 09 May 2012 (Adasko)
 cc  Intertyp means interaction type of backbone mainchain correlation: 
 c   1 = SC...Ca...Ca...Ca
@@ -6788,9 +6758,12 @@ c   3 = SC...Ca...Ca...SCi
           v2ij=v2sccor(j,intertyp,isccori,isccori1)
           cosphi=dcos(j*tauangle(intertyp,i))
           sinphi=dsin(j*tauangle(intertyp,i))
+          if (energy_dec) esccor_ii=esccor_ii+v1ij*cosphi+v2ij*sinphi
           esccor=esccor+v1ij*cosphi+v2ij*sinphi
           gloci=gloci+j*(v2ij*cosphi-v1ij*sinphi)
         enddo
+         if (energy_dec) write (iout,'(a6,i5,i2,0pf7.3)')
+     &         'esccor',i,intertyp,esccor_ii
         gloc_sc(intertyp,i-3,icg)=gloc_sc(intertyp,i-3,icg)+wsccor*gloci
 c        write (iout,*) "WTF",intertyp,i,itype(i),v1ij*cosphi+v2ij*sinphi
 c     &gloc_sc(intertyp,i-3,icg)