C
C Calculate the virtual-bond-angle energy.
C
- call ebend(ebe)
+ call ebend(ebe,ethetacnstr)
cd print *,'Bend energy finished.'
C
C Calculate the SC local energy.
& +wcorr6*fact(5)*ecorr6+wturn4*fact(3)*eello_turn4
& +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6
& +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d
- & +wbond*estr+wsccor*fact(1)*esccor
+ & +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr
#else
etot=wsc*(evdw+fact(6)*evdw_t)+wscp*evdw2
& +welec*fact(1)*(ees+evdw1)
& +wcorr6*fact(5)*ecorr6+wturn4*fact(3)*eello_turn4
& +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6
& +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d
- & +wbond*estr+wsccor*fact(1)*esccor
+ & +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr
#endif
energia(0)=etot
energia(1)=evdw
energia(19)=esccor
energia(20)=edihcnstr
energia(21)=evdw_t
+ energia(24)=ethetacnstr
c detecting NaNQ
#ifdef ISNAN
#ifdef AIX
esccor=energia(19)
edihcnstr=energia(20)
estr=energia(18)
+ ethetacnstr=energia(24)
#ifdef SPLITELE
write (iout,10) evdw,wsc,evdw2,wscp,ees,welec*fact(1),evdw1,
& wvdwpp,
& ecorr,wcorr*fact(3),ecorr5,wcorr5*fact(4),ecorr6,wcorr6*fact(5),
& eel_loc,wel_loc*fact(2),eello_turn3,wturn3*fact(2),
& eello_turn4,wturn4*fact(3),eello_turn6,wturn6*fact(5),
- & esccor,wsccor*fact(1),edihcnstr,ebr*nss,etot
+ & esccor,wsccor*fact(1),edihcnstr,ethetacnstr,ebr*nss,etot
10 format (/'Virtual-chain energies:'//
& 'EVDW= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-SC)'/
& 'EVDW2= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-p)'/
& 'ETURN6=',1pE16.6,' WEIGHT=',1pD16.6,' (turns, 6th order)'/
& 'ESCCOR=',1pE16.6,' WEIGHT=',1pD16.6,' (backbone-rotamer corr)'/
& 'EDIHC= ',1pE16.6,' (dihedral angle constraints)'/
+ & 'ETHETC= ',1pE16.6,' (valence angle constraints)'/
& 'ESS= ',1pE16.6,' (disulfide-bridge intrinsic energy)'/
& 'ETOT= ',1pE16.6,' (total)')
#else
& ecorr6,wcorr6*fact(5),eel_loc,wel_loc*fact(2),
& eello_turn3,wturn3*fact(2),eello_turn4,wturn4*fact(3),
& eello_turn6,wturn6*fact(5),esccor*fact(1),wsccor,
- & edihcnstr,ebr*nss,etot
+ & edihcnstr,ethetacnstr,ebr*nss,etot
10 format (/'Virtual-chain energies:'//
& 'EVDW= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-SC)'/
& 'EVDW2= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-p)'/
& 'ETURN6=',1pE16.6,' WEIGHT=',1pD16.6,' (turns, 6th order)'/
& 'ESCCOR=',1pE16.6,' WEIGHT=',1pD16.6,' (backbone-rotamer corr)'/
& 'EDIHC= ',1pE16.6,' (dihedral angle constraints)'/
+ & 'ETHETC= ',1pE16.6,' (valence angle constraints)'/
& 'ESS= ',1pE16.6,' (disulfide-bridge intrinsic energy)'/
& 'ETOT= ',1pE16.6,' (total)')
#endif
common /srutu/icall
integer icant
external icant
+ integer xshift,yshift,zshift
logical energy_dec /.false./
c print *,'Entering EGB nnt=',nnt,' nct=',nct,' expon=',expon
evdw=0.0D0
xi=c(1,nres+i)
yi=c(2,nres+i)
zi=c(3,nres+i)
+ xi=mod(xi,boxxsize)
+ if (xi.lt.0) xi=xi+boxxsize
+ yi=mod(yi,boxysize)
+ if (yi.lt.0) yi=yi+boxysize
+ zi=mod(zi,boxzsize)
+ if (zi.lt.0) zi=zi+boxzsize
dxi=dc_norm(1,nres+i)
dyi=dc_norm(2,nres+i)
dzi=dc_norm(3,nres+i)
c alf1=0.0D0
c alf2=0.0D0
c alf12=0.0D0
- xj=c(1,nres+j)-xi
- yj=c(2,nres+j)-yi
- zj=c(3,nres+j)-zi
+ xj=c(1,nres+j)
+ yj=c(2,nres+j)
+ zj=c(3,nres+j)
+ xj=mod(xj,boxxsize)
+ if (xj.lt.0) xj=xj+boxxsize
+ yj=mod(yj,boxysize)
+ if (yj.lt.0) yj=yj+boxysize
+ zj=mod(zj,boxzsize)
+ if (zj.lt.0) zj=zj+boxzsize
+ dist_init=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ xj_safe=xj
+ yj_safe=yj
+ zj_safe=zj
+ subchap=0
+ do xshift=-1,1
+ do yshift=-1,1
+ do zshift=-1,1
+ xj=xj_safe+xshift*boxxsize
+ yj=yj_safe+yshift*boxysize
+ zj=zj_safe+zshift*boxzsize
+ dist_temp=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ if(dist_temp.lt.dist_init) then
+ dist_init=dist_temp
+ xj_temp=xj
+ yj_temp=yj
+ zj_temp=zj
+ subchap=1
+ endif
+ enddo
+ enddo
+ enddo
+ if (subchap.eq.1) then
+ xj=xj_temp-xi
+ yj=yj_temp-yi
+ zj=zj_temp-zi
+ else
+ xj=xj_safe-xi
+ yj=yj_safe-yi
+ zj=zj_safe-zi
+ endif
dxj=dc_norm(1,nres+j)
dyj=dc_norm(2,nres+j)
dzj=dc_norm(3,nres+j)
c write (iout,*) i,j,xj,yj,zj
rrij=1.0D0/(xj*xj+yj*yj+zj*zj)
rij=dsqrt(rrij)
+ sss=sscale((1.0d0/rij)/sigma(itypi,itypj))
+ sssgrad=sscagrad((1.0d0/rij)/sigma(itypi,itypj))
+ if (sss.le.0.0d0) cycle
C Calculate angle-dependent terms of energy and contributions to their
C derivatives.
call sc_angular
eps3der=evdwij*eps2rt
evdwij=evdwij*eps2rt*eps3rt
if (bb(itypi,itypj).gt.0) then
- evdw=evdw+evdwij
+ evdw=evdw+evdwij*sss
else
- evdw_t=evdw_t+evdwij
+ evdw_t=evdw_t+evdwij*sss
endif
ij=icant(itypi,itypj)
aux=eps1*eps2rt**2*eps3rt**2
fac=-expon*(e1+evdwij)*rij_shift
sigder=fac*sigder
fac=rij*fac
+ fac=fac+evdwij/sss*sssgrad/sigma(itypi,itypj)*rij
C Calculate the radial part of the gradient
gg(1)=xj*fac
gg(2)=yj*fac
gcorr_loc(i)=0.0d0
enddo
do i=iatel_s,iatel_e
- if (itype(i).eq.ntyp1 .or. itype(i+1).eq.ntyp1) cycle
+ if (i.eq.1) then
+ if (itype(i).eq.ntyp1.or. itype(i+1).eq.ntyp1
+ & .or. itype(i+2).eq.ntyp1) cycle
+ else
+ if (itype(i).eq.ntyp1 .or. itype(i+1).eq.ntyp1
+ & .or. itype(i+2).eq.ntyp1
+ & .or. itype(i-1).eq.ntyp1
+ &) cycle
+ endif
if (itel(i).eq.0) goto 1215
dxi=dc(1,i)
dyi=dc(2,i)
xmedi=c(1,i)+0.5d0*dxi
ymedi=c(2,i)+0.5d0*dyi
zmedi=c(3,i)+0.5d0*dzi
+ xmedi=mod(xmedi,boxxsize)
+ if (xmedi.lt.0) xmedi=xmedi+boxxsize
+ ymedi=mod(ymedi,boxysize)
+ if (ymedi.lt.0) ymedi=ymedi+boxysize
+ zmedi=mod(zmedi,boxzsize)
+ if (zmedi.lt.0) zmedi=zmedi+boxzsize
num_conti=0
c write (iout,*) 'i',i,' ielstart',ielstart(i),' ielend',ielend(i)
do j=ielstart(i),ielend(i)
- if (itype(j).eq.ntyp1 .or. itype(j+1).eq.ntyp1) cycle
+ if (j.eq.1) then
+ if (itype(j).eq.ntyp1 .or. itype(j+1).eq.ntyp1
+ & .or.itype(j+2).eq.ntyp1
+ &) cycle
+ else
+ if (itype(j).eq.ntyp1 .or. itype(j+1).eq.ntyp1
+ & .or.itype(j+2).eq.ntyp1
+ & .or.itype(j-1).eq.ntyp1
+ &) cycle
+ endif
if (itel(j).eq.0) goto 1216
ind=ind+1
iteli=itel(i)
dx_normj=dc_norm(1,j)
dy_normj=dc_norm(2,j)
dz_normj=dc_norm(3,j)
- xj=c(1,j)+0.5D0*dxj-xmedi
- yj=c(2,j)+0.5D0*dyj-ymedi
- zj=c(3,j)+0.5D0*dzj-zmedi
+ xj=c(1,j)+0.5D0*dxj
+ yj=c(2,j)+0.5D0*dyj
+ zj=c(3,j)+0.5D0*dzj
+ xj=mod(xj,boxxsize)
+ if (xj.lt.0) xj=xj+boxxsize
+ yj=mod(yj,boxysize)
+ if (yj.lt.0) yj=yj+boxysize
+ zj=mod(zj,boxzsize)
+ if (zj.lt.0) zj=zj+boxzsize
+ dist_init=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ xj_safe=xj
+ yj_safe=yj
+ zj_safe=zj
+ isubchap=0
+ do xshift=-1,1
+ do yshift=-1,1
+ do zshift=-1,1
+ xj=xj_safe+xshift*boxxsize
+ yj=yj_safe+yshift*boxysize
+ zj=zj_safe+zshift*boxzsize
+ dist_temp=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ if(dist_temp.lt.dist_init) then
+ dist_init=dist_temp
+ xj_temp=xj
+ yj_temp=yj
+ zj_temp=zj
+ isubchap=1
+ endif
+ enddo
+ enddo
+ enddo
+ if (isubchap.eq.1) then
+ xj=xj_temp-xmedi
+ yj=yj_temp-ymedi
+ zj=zj_temp-zmedi
+ else
+ xj=xj_safe-xmedi
+ yj=yj_safe-ymedi
+ zj=zj_safe-zmedi
+ endif
+
rij=xj*xj+yj*yj+zj*zj
+ sss=sscale(sqrt(rij))
+ sssgrad=sscagrad(sqrt(rij))
rrmij=1.0D0/rij
rij=dsqrt(rij)
rmij=1.0D0/rij
C 12/26/95 - for the evaluation of multi-body H-bonding interactions
ees0ij=4.0D0+fac*fac-3.0D0*(cosb*cosb+cosg*cosg)
ees=ees+eesij
- evdw1=evdw1+evdwij
+ evdw1=evdw1+evdwij*sss
cd write(iout,'(2(2i3,2x),7(1pd12.4)/2(3(1pd12.4),5x)/)')
cd & iteli,i,itelj,j,aaa,bbb,ael6i,ael3i,
cd & 1.0D0/dsqrt(rrmij),evdwij,eesij,
C Calculate contributions to the Cartesian gradient.
C
#ifdef SPLITELE
- facvdw=-6*rrmij*(ev1+evdwij)
+ facvdw=-6*rrmij*(ev1+evdwij)*sss
facel=-3*rrmij*(el1+eesij)
fac1=fac
erij(1)=xj*rmij
gelc(l,k)=gelc(l,k)+ggg(l)
enddo
enddo
- ggg(1)=facvdw*xj
- ggg(2)=facvdw*yj
- ggg(3)=facvdw*zj
+C ggg(1)=facvdw*xj
+C ggg(2)=facvdw*yj
+C ggg(3)=facvdw*zj
+ if (sss.gt.0.0) then
+ ggg(1)=facvdw*xj+sssgrad*rmij*evdwij*xj
+ ggg(2)=facvdw*yj+sssgrad*rmij*evdwij*yj
+ ggg(3)=facvdw*zj+sssgrad*rmij*evdwij*zj
+ else
+ ggg(1)=0.0
+ ggg(2)=0.0
+ ggg(3)=0.0
+ endif
do k=1,3
ghalf=0.5D0*ggg(k)
gvdwpp(k,i)=gvdwpp(k,i)+ghalf
enddo
enddo
#else
- facvdw=ev1+evdwij
+ facvdw=(ev1+evdwij)*sss
facel=el1+eesij
fac1=fac
fac=-3*rrmij*(facvdw+facvdw+facel)
xi=0.5D0*(c(1,i)+c(1,i+1))
yi=0.5D0*(c(2,i)+c(2,i+1))
zi=0.5D0*(c(3,i)+c(3,i+1))
+C Returning the ith atom to box
+ xi=mod(xi,boxxsize)
+ if (xi.lt.0) xi=xi+boxxsize
+ yi=mod(yi,boxysize)
+ if (yi.lt.0) yi=yi+boxysize
+ zi=mod(zi,boxzsize)
+ if (zi.lt.0) zi=zi+boxzsize
do iint=1,nscp_gr(i)
c yj=c(2,nres+j)-yi
c zj=c(3,nres+j)-zi
C Uncomment following three lines for Ca-p interactions
- xj=c(1,j)-xi
- yj=c(2,j)-yi
- zj=c(3,j)-zi
+ xj=c(1,j)
+ yj=c(2,j)
+ zj=c(3,j)
+C returning the jth atom to box
+ xj=mod(xj,boxxsize)
+ if (xj.lt.0) xj=xj+boxxsize
+ yj=mod(yj,boxysize)
+ if (yj.lt.0) yj=yj+boxysize
+ zj=mod(zj,boxzsize)
+ if (zj.lt.0) zj=zj+boxzsize
+ dist_init=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ xj_safe=xj
+ yj_safe=yj
+ zj_safe=zj
+ subchap=0
+C Finding the closest jth atom
+ do xshift=-1,1
+ do yshift=-1,1
+ do zshift=-1,1
+ xj=xj_safe+xshift*boxxsize
+ yj=yj_safe+yshift*boxysize
+ zj=zj_safe+zshift*boxzsize
+ dist_temp=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ if(dist_temp.lt.dist_init) then
+ dist_init=dist_temp
+ xj_temp=xj
+ yj_temp=yj
+ zj_temp=zj
+ subchap=1
+ endif
+ enddo
+ enddo
+ enddo
+ if (subchap.eq.1) then
+ xj=xj_temp-xi
+ yj=yj_temp-yi
+ zj=zj_temp-zi
+ else
+ xj=xj_safe-xi
+ yj=yj_safe-yi
+ zj=zj_safe-zi
+ endif
+
rrij=1.0D0/(xj*xj+yj*yj+zj*zj)
+C sss is scaling function for smoothing the cutoff gradient otherwise
+C the gradient would not be continuouse
+ sss=sscale(1.0d0/(dsqrt(rrij)))
+ if (sss.le.0.0d0) cycle
+ sssgrad=sscagrad(1.0d0/(dsqrt(rrij)))
fac=rrij**expon2
e1=fac*fac*aad(itypj,iteli)
e2=fac*bad(itypj,iteli)
if (iabs(j-i) .le. 2) then
e1=scal14*e1
e2=scal14*e2
- evdw2_14=evdw2_14+e1+e2
+ evdw2_14=evdw2_14+(e1+e2)*sss
endif
evdwij=e1+e2
c write (iout,*) i,j,evdwij
- evdw2=evdw2+evdwij
+ evdw2=evdw2+evdwij*sss
if (calc_grad) then
C
C Calculate contributions to the gradient in the virtual-bond and SC vectors.
C
- fac=-(evdwij+e1)*rrij
+ fac=-(evdwij+e1)*rrij*sss
+ fac=fac+(evdwij)*sssgrad*dsqrt(rrij)/expon
ggg(1)=xj*fac
ggg(2)=yj*fac
ggg(3)=zj*fac
include 'COMMON.DERIV'
include 'COMMON.VAR'
include 'COMMON.INTERACT'
+ include 'COMMON.CONTROL'
dimension ggg(3)
ehpb=0.0D0
cd print *,'edis: nhpb=',nhpb,' fbr=',fbr
endif
C 24/11/03 AL: SS bridges handled separately because of introducing a specific
C distance and angle dependent SS bond potential.
- if (ii.gt.nres .and. iabs(itype(iii)).eq.1 .and.
- & iabs(itype(jjj)).eq.1) then
+C if (ii.gt.nres .and. iabs(itype(iii)).eq.1 .and.
+C & iabs(itype(jjj)).eq.1) then
+C call ssbond_ene(iii,jjj,eij)
+C ehpb=ehpb+2*eij
+C else
+ if (.not.dyn_ss .and. i.le.nss) then
+ 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
- else
+ endif !ii.gt.neres
+ 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
+C ehpb=ehpb+fordepth(i)**4.0d0
+C & *rlornmr1(dd,dhpb(i),dhpb1(i),forcon(i))
+ 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
+C write (iout,'(a6,2i5,3f8.3)') "edisl",ii,jj,
+C & ehpb,fordepth(i),dd
+C print *,"TUTU"
+C write(iout,*) ehpb,"atu?"
+C ehpb,"tu?"
+C fac=fordepth(i)**4.0d0
+C & *rlornmr1prim(dd,dhpb(i),dhpb1(i),forcon(i))/dd
+ else !constr_dist.eq.11
+ 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 !dhpb(i).gt.0.00
+
C Calculate the distance between the two points and its difference from the
C target distance.
dd=dist(ii,jj)
C Evaluate gradient.
C
fac=waga*rdis/dd
+ endif !dhpb(i).gt.0
+ endif
cd print *,'i=',i,' ii=',ii,' jj=',jj,' dhpb=',dhpb(i),' dd=',dd,
cd & ' waga=',waga,' fac=',fac
do j=1,3
ghpbx(j,jjj)=ghpbx(j,jjj)+ggg(j)
enddo
endif
+ else !ii.gt.nres
+C write(iout,*) "before"
+ dd=dist(ii,jj)
+C write(iout,*) "after",dd
+ 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
+C ehpb=ehpb+fordepth(i)**4*rlornmr1(dd,dhpb(i),dhpb1(i))
+C fac=fordepth(i)**4*rlornmr1prim(dd,dhpb(i),dhpb1(i))/dd
+C print *,ehpb,"tu?"
+C write(iout,*) ehpb,"btu?",
+C & dd,dhpb(i),dhpb1(i),fordepth(i),forcon(i)
+C write (iout,'(a6,2i5,3f8.3)') "edisl",ii,jj,
+C & ehpb,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,*) "alph nmr",
+c & dd,2*forcon(i)*gnmr1(dd,dhpb(i),dhpb1(i))
+ else
+ 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
+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
+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
+ endif
do j=iii,jjj-1
do k=1,3
ghpbc(k,j)=ghpbc(k,j)+ggg(k)
enddo
endif
enddo
- ehpb=0.5D0*ehpb
+ if (constr_dist.ne.11) ehpb=0.5D0*ehpb
return
end
C--------------------------------------------------------------------------
estr=0.0d0
estr1=0.0d0
do i=nnt+1,nct
- if (itype(i-1).eq.ntyp1 .or. itype(i).eq.ntyp1) then
- estr1=estr1+gnmr1(vbld(i),-1.0d0,distchainmax)
- do j=1,3
- gradb(j,i-1)=gnmr1prim(vbld(i),-1.0d0,distchainmax)
- & *dc(j,i-1)/vbld(i)
- enddo
- if (energy_dec) write(iout,*)
- & "estr1",i,gnmr1(vbld(i),-1.0d0,distchainmax)
- else
+ if (itype(i-1).eq.ntyp1 .and. itype(i).eq.ntyp1) cycle
+C estr1=estr1+gnmr1(vbld(i),-1.0d0,distchainmax)
+C do j=1,3
+C gradb(j,i-1)=gnmr1prim(vbld(i),-1.0d0,distchainmax)
+C & *dc(j,i-1)/vbld(i)
+C enddo
+C if (energy_dec) write(iout,*)
+C & "estr1",i,vbld(i),distchainmax,
+C & gnmr1(vbld(i),-1.0d0,distchainmax)
+C else
+ if (itype(i-1).eq.ntyp1 .or. itype(i).eq.ntyp1) then
+ diff = vbld(i)-vbldpDUM
+ else
diff = vbld(i)-vbldp0
c write (iout,*) i,vbld(i),vbldp0,diff,AKP*diff*diff
+ endif
estr=estr+diff*diff
do j=1,3
gradb(j,i-1)=AKP*diff*dc(j,i-1)/vbld(i)
enddo
- endif
-
+C endif
+C write (iout,'(a7,i5,4f7.3)')
+C & "estr bb",i,vbld(i),vbldp0,diff,AKP*diff*diff
enddo
estr=0.5d0*AKP*estr+estr1
c
end
#ifdef CRYST_THETA
C--------------------------------------------------------------------------
- subroutine ebend(etheta)
+ subroutine ebend(etheta,ethetacnstr)
C
C Evaluate the virtual-bond-angle energy given the virtual-bond dihedral
C angles gamma and its derivatives in consecutive thetas and gammas.
include 'COMMON.IOUNITS'
include 'COMMON.NAMES'
include 'COMMON.FFIELD'
+ include 'COMMON.TORCNSTR'
common /calcthet/ term1,term2,termm,diffak,ratak,
& ak,aktc,termpre,termexp,sigc,sig0i,time11,time12,sigcsq,
& delthe0,sig0inv,sigtc,sigsqtc,delthec,it
c write (*,'(a,i2)') 'EBEND ICG=',icg
c write (iout,*) ithet_start,ithet_end
do i=ithet_start,ithet_end
- if (itype(i-1).eq.ntyp1) cycle
+ if (i.le.2) cycle
+ if ((itype(i-1).eq.ntyp1).or.itype(i-2).eq.ntyp1
+ & .or.itype(i).eq.ntyp1) cycle
C Zero the energy function and its derivative at 0 or pi.
call splinthet(theta(i),0.5d0*delta,ss,ssd)
it=itype(i-1)
ichir21=isign(1,itype(i))
ichir22=isign(1,itype(i))
endif
- if (i.gt.3 .and. itype(i-2).ne.ntyp1) then
+ if (i.eq.3) then
+ y(1)=0.0D0
+ y(2)=0.0D0
+ else
+ if (i.gt.3 .and. itype(i-3).ne.ntyp1) then
#ifdef OSF
phii=phi(i)
c icrc=0
y(1)=0.0D0
y(2)=0.0D0
endif
- if (i.lt.nres .and. itype(i).ne.ntyp1) then
+ endif
+ if (i.lt.nres .and. itype(i+1).ne.ntyp1) then
#ifdef OSF
phii1=phi(i+1)
c icrc=0
c 1215 continue
enddo
C Ufff.... We've done all this!!!
+C now constrains
+ ethetacnstr=0.0d0
+C print *,ithetaconstr_start,ithetaconstr_end,"TU"
+ do i=1,ntheta_constr
+ itheta=itheta_constr(i)
+ thetiii=theta(itheta)
+ difi=pinorm(thetiii-theta_constr0(i))
+ if (difi.gt.theta_drange(i)) then
+ difi=difi-theta_drange(i)
+ ethetacnstr=ethetacnstr+0.25d0*for_thet_constr(i)*difi**4
+ gloc(itheta+nphi-2,icg)=gloc(itheta+nphi-2,icg)
+ & +for_thet_constr(i)*difi**3
+ else if (difi.lt.-drange(i)) then
+ difi=difi+drange(i)
+ ethetacnstr=ethetacnstr+0.25d0*for_thet_constr(i)*difi**4
+ gloc(itheta+nphi-2,icg)=gloc(itheta+nphi-2,icg)
+ & +for_thet_constr(i)*difi**3
+ else
+ difi=0.0
+ endif
+C if (energy_dec) then
+C write (iout,'(a6,2i5,4f8.3,2e14.5)') "ethetc",
+C & i,itheta,rad2deg*thetiii,
+C & rad2deg*theta_constr0(i), rad2deg*theta_drange(i),
+C & rad2deg*difi,0.25d0*for_thet_constr(i)*difi**4,
+C & gloc(itheta+nphi-2,icg)
+C endif
+ enddo
return
end
C---------------------------------------------------------------------------
end
#else
C--------------------------------------------------------------------------
- subroutine ebend(etheta)
+ subroutine ebend(etheta,ethetacnstr)
C
C Evaluate the virtual-bond-angle energy given the virtual-bond dihedral
C angles gamma and its derivatives in consecutive thetas and gammas.
include 'COMMON.NAMES'
include 'COMMON.FFIELD'
include 'COMMON.CONTROL'
+ include 'COMMON.TORCNSTR'
double precision coskt(mmaxtheterm),sinkt(mmaxtheterm),
& cosph1(maxsingle),sinph1(maxsingle),cosph2(maxsingle),
& sinph2(maxsingle),cosph1ph2(maxdouble,maxdouble),
etheta=0.0D0
c write (iout,*) "ithetyp",(ithetyp(i),i=1,ntyp1)
do i=ithet_start,ithet_end
+ if (i.le.2) cycle
+ if ((itype(i-1).eq.ntyp1).or.itype(i-2).eq.ntyp1
+ & .or.itype(i).eq.ntyp1) cycle
c if (itype(i-1).eq.ntyp1) cycle
- if ((itype(i-1).eq.ntyp1).or.(itype(i-2).eq.ntyp1).or.
- &(itype(i).eq.ntyp1)) cycle
if (iabs(itype(i+1)).eq.20) iblock=2
if (iabs(itype(i+1)).ne.20) iblock=1
dethetai=0.0d0
dephii=0.0d0
dephii1=0.0d0
theti2=0.5d0*theta(i)
-CC Ta zmina jest niewlasciwa
ityp2=ithetyp((itype(i-1)))
do k=1,nntheterm
coskt(k)=dcos(k*theti2)
sinkt(k)=dsin(k*theti2)
enddo
+ if (i.eq.3) then
+ phii=0.0d0
+ ityp1=nthetyp+1
+ do k=1,nsingle
+ cosph1(k)=0.0d0
+ sinph1(k)=0.0d0
+ enddo
+ else
if (i.gt.3 .and. itype(i-3).ne.ntyp1) then
#ifdef OSF
phii=phi(i)
sinph1(k)=0.0d0
enddo
endif
+ endif
if (i.lt.nres .and. itype(i+1).ne.ntyp1) then
#ifdef OSF
phii1=phi(i+1)
c gloc(nphi+i-2,icg)=wang*dethetai
gloc(nphi+i-2,icg)=gloc(nphi+i-2,icg)+wang*dethetai
enddo
+C now constrains
+ ethetacnstr=0.0d0
+C print *,ithetaconstr_start,ithetaconstr_end,"TU"
+ do i=1,ntheta_constr
+ itheta=itheta_constr(i)
+ thetiii=theta(itheta)
+ difi=pinorm(thetiii-theta_constr0(i))
+ if (difi.gt.theta_drange(i)) then
+ difi=difi-theta_drange(i)
+ ethetacnstr=ethetacnstr+0.25d0*for_thet_constr(i)*difi**4
+ gloc(itheta+nphi-2,icg)=gloc(itheta+nphi-2,icg)
+ & +for_thet_constr(i)*difi**3
+ else if (difi.lt.-drange(i)) then
+ difi=difi+drange(i)
+ ethetacnstr=ethetacnstr+0.25d0*for_thet_constr(i)*difi**4
+ gloc(itheta+nphi-2,icg)=gloc(itheta+nphi-2,icg)
+ & +for_thet_constr(i)*difi**3
+ else
+ difi=0.0
+ endif
+C if (energy_dec) then
+C write (iout,'(a6,2i5,4f8.3,2e14.5)') "ethetc",
+C & i,itheta,rad2deg*thetiii,
+C & rad2deg*theta_constr0(i), rad2deg*theta_drange(i),
+C & rad2deg*difi,0.25d0*for_thet_constr(i)*difi**4,
+C & gloc(itheta+nphi-2,icg)
+C endif
+ enddo
return
end
#endif
difi=phii-phi0(i)
if (difi.gt.drange(i)) then
difi=difi-drange(i)
- edihcnstr=edihcnstr+0.25d0*ftors*difi**4
- gloc(itori-3,icg)=gloc(itori-3,icg)+ftors*difi**3
+ edihcnstr=edihcnstr+0.25d0*ftors(i)*difi**4
+ gloc(itori-3,icg)=gloc(itori-3,icg)+ftors(i)*difi**3
else if (difi.lt.-drange(i)) then
difi=difi+drange(i)
- edihcnstr=edihcnstr+0.25d0*ftors*difi**4
- gloc(itori-3,icg)=gloc(itori-3,icg)+ftors*difi**3
+ edihcnstr=edihcnstr+0.25d0*ftors(i)*difi**4
+ gloc(itori-3,icg)=gloc(itori-3,icg)+ftors(i)*difi**3
endif
! write (iout,'(2i5,2f8.3,2e14.5)') i,itori,rad2deg*phii,
! & rad2deg*difi,0.25d0*ftors*difi**4,gloc(itori-3,icg)
c lprn=.true.
etors=0.0D0
do i=iphi_start,iphi_end
- if (itype(i-2).eq.ntyp1 .or. itype(i-1).eq.ntyp1
- & .or. itype(i).eq.ntyp1) cycle
+ if (i.le.2) cycle
+ if (itype(i-2).eq.ntyp1.or. itype(i-1).eq.ntyp1
+ & .or. itype(i).eq.ntyp1 .or. itype(i-3).eq.ntyp1) cycle
if (itel(i-2).eq.0 .or. itel(i-1).eq.0) goto 1215
if (iabs(itype(i)).eq.20) then
iblock=2
edihi=0.0d0
if (difi.gt.drange(i)) then
difi=difi-drange(i)
- edihcnstr=edihcnstr+0.25d0*ftors*difi**4
- gloc(itori-3,icg)=gloc(itori-3,icg)+ftors*difi**3
- edihi=0.25d0*ftors*difi**4
+ edihcnstr=edihcnstr+0.25d0*ftors(i)*difi**4
+ gloc(itori-3,icg)=gloc(itori-3,icg)+ftors(i)*difi**3
+ edihi=0.25d0*ftors(i)*difi**4
else if (difi.lt.-drange(i)) then
difi=difi+drange(i)
- edihcnstr=edihcnstr+0.25d0*ftors*difi**4
- gloc(itori-3,icg)=gloc(itori-3,icg)+ftors*difi**3
- edihi=0.25d0*ftors*difi**4
+ edihcnstr=edihcnstr+0.25d0*ftors(i)*difi**4
+ gloc(itori-3,icg)=gloc(itori-3,icg)+ftors(i)*difi**3
+ edihi=0.25d0*ftors(i)*difi**4
else
difi=0.0d0
endif
c lprn=.true.
etors_d=0.0D0
do i=iphi_start,iphi_end-1
- if (itype(i-2).eq.ntyp1 .or. itype(i-1).eq.ntyp1
- & .or. itype(i).eq.ntyp1 .or. itype(i+1).eq.ntyp1) cycle
+ if (i.le.3) cycle
+ if ((itype(i-2).eq.ntyp1).or.itype(i-3).eq.ntyp1.or.
+ & (itype(i-1).eq.ntyp1).or.(itype(i).eq.ntyp1).or.
+ & (itype(i+1).eq.ntyp1)) cycle
if (itel(i-2).eq.0 .or. itel(i-1).eq.0 .or. itel(i).eq.0)
& goto 1215
itori=itortyp(itype(i-2))
integer dimen1,dimen2,atom,indx
double precision buffer(dimen1,dimen2)
double precision zapas
- common /contacts_hb/ zapas(3,20,maxres,7),
- & facont_hb(20,maxres),ees0p(20,maxres),ees0m(20,maxres),
- & num_cont_hb(maxres),jcont_hb(20,maxres)
+ common /contacts_hb/ zapas(3,ntyp,maxres,7),
+ & facont_hb(ntyp,maxres),ees0p(ntyp,maxres),ees0m(ntyp,maxres),
+ & num_cont_hb(maxres),jcont_hb(ntyp,maxres)
num_kont=buffer(1,indx+26)
num_kont_old=num_cont_hb(atom)
num_cont_hb(atom)=num_kont+num_kont_old
scalar=sc
return
end
+C-----------------------------------------------------------------------
+ double precision function sscale(r)
+ double precision r,gamm
+ include "COMMON.SPLITELE"
+ if(r.lt.r_cut-rlamb) then
+ sscale=1.0d0
+ else if(r.le.r_cut.and.r.ge.r_cut-rlamb) then
+ gamm=(r-(r_cut-rlamb))/rlamb
+ sscale=1.0d0+gamm*gamm*(2*gamm-3.0d0)
+ else
+ sscale=0d0
+ endif
+ return
+ end
+C-----------------------------------------------------------------------
+C-----------------------------------------------------------------------
+ double precision function sscagrad(r)
+ double precision r,gamm
+ include "COMMON.SPLITELE"
+ if(r.lt.r_cut-rlamb) then
+ sscagrad=0.0d0
+ else if(r.le.r_cut.and.r.ge.r_cut-rlamb) then
+ gamm=(r-(r_cut-rlamb))/rlamb
+ sscagrad=gamm*(6*gamm-6.0d0)/rlamb
+ else
+ sscagrad=0.0d0
+ endif
+ return
+ end
+C-----------------------------------------------------------------------