cc8b68171acdced847af34b8351a5ed3dfedab82
[unres4.git] / source / unres / io.F90
1       module io
2 !-----------------------------------------------------------------------
3       use io_units
4       use names
5       use io_base
6       use io_config
7       implicit none
8 !-----------------------------------------------------------------------------
9 !
10 !
11 !-----------------------------------------------------------------------------
12       contains
13 !-----------------------------------------------------------------------------
14 ! bank.F    io_csa
15 !-----------------------------------------------------------------------------
16       subroutine write_csa_pdb(var,ene,nft,ik,iw_pdb)
17
18       use csa_data
19       use geometry_data, only:nres,nvar
20       use geometry, only:var_to_geom,chainbuild
21       use compare, only:secondary2
22 !      implicit real*8 (a-h,o-z)
23 !      include 'DIMENSIONS'
24 !      include 'COMMON.CSA'
25 !      include 'COMMON.BANK'
26 !      include 'COMMON.VAR'
27 !      include 'COMMON.IOUNITS'
28 !      include 'COMMON.MINIM'
29 !      include 'COMMON.SETUP'
30 !      include 'COMMON.GEO'
31 !      include 'COMMON.CHAIN'
32 !      include 'COMMON.LOCAL'
33 !      include 'COMMON.INTERACT'
34 !      include 'COMMON.NAMES'
35 !      include 'COMMON.SBRIDGE'
36       integer :: lenpre,lenpot  !,ilen
37 !el      external ilen
38       real(kind=8),dimension(nvar) :: var       !(maxvar)       (maxvar=6*maxres)
39       character(len=50) :: titelloc
40       character(len=3) :: zahl
41       real(kind=8),dimension(mxch*(mxch+1)/2+1) :: ene
42 !el local variables
43       integer :: nft,ik,iw_pdb
44
45       nmin_csa=nmin_csa+1
46       if(ene(1).lt.eglob_csa) then
47         eglob_csa=ene(1)
48         nglob_csa=nglob_csa+1
49         call numstr(nglob_csa,zahl)
50
51         call var_to_geom(nvar,var)
52         call chainbuild
53         call secondary2(.false.)
54
55         lenpre=ilen(prefix)
56         open(icsa_pdb,file=prefix(:lenpre)//'@'//zahl//'.pdb')
57
58         if (iw_pdb.eq.1) then 
59           write(titelloc,'(a2,i3,a3,i9,a3,i6)') &
60           'GM',nglob_csa,' e ',nft,' m ',nmin_csa
61         else
62           write(titelloc,'(a2,i3,a3,i9,a3,i6,a5,f5.2,a5,f5.1)') &
63          'GM',nglob_csa,' e ',nft,' m ',nmin_csa,' rms ',&
64                rmsn(ik),' %NC ',pncn(ik)*100          
65         endif
66         call pdbout(eglob_csa,titelloc,icsa_pdb)
67         close(icsa_pdb)
68       endif
69
70       return
71       end subroutine write_csa_pdb
72 !-----------------------------------------------------------------------------
73 ! csa.f         io_csa
74 !-----------------------------------------------------------------------------
75       subroutine from_pdb(n,idum)
76 ! This subroutine stores the UNRES int variables generated from 
77 ! subroutine readpdb into the 1st conformation of in dihang_in.
78 ! Subsequent n-1 conformations of dihang_in have identical values
79 ! of theta and phi as the 1st conformation but random values for
80 ! alph and omeg.
81 ! The array cref (also generated from subroutine readpdb) is stored
82 ! to crefjlee to be used for rmsd calculation in CSA, if necessary.
83
84       use csa_data
85       use geometry_data
86       use random, only: ran1
87 !      implicit real*8 (a-h,o-z)
88 !      include 'DIMENSIONS'
89 !      include 'COMMON.IOUNITS'
90 !      include 'COMMON.CHAIN'
91 !      include 'COMMON.VAR'
92 !      include 'COMMON.BANK'
93 !      include 'COMMON.GEO'
94 !el local variables
95       integer :: n,idum,m,i,j,k,kk,kkk
96       real(kind=8) :: e
97
98       m=1
99       do j=2,nres-1
100         dihang_in(1,j,1,m)=theta(j+1)
101         dihang_in(2,j,1,m)=phi(j+2)
102         dihang_in(3,j,1,m)=alph(j)
103         dihang_in(4,j,1,m)=omeg(j)
104       enddo
105       dihang_in(2,nres-1,1,k)=0.0d0
106
107       do m=2,n
108        do k=2,nres-1
109         dihang_in(1,k,1,m)=dihang_in(1,k,1,1)
110         dihang_in(2,k,1,m)=dihang_in(2,k,1,1)
111         if(dabs(dihang_in(3,k,1,1)).gt.1.d-6) then
112          dihang_in(3,k,1,m)=90.d0*ran1(idum)+90.d0
113          dihang_in(3,k,1,m)=dihang_in(3,k,1,m)*deg2rad
114         endif
115         if(dabs(dihang_in(4,k,1,1)).gt.1.d-6) then
116          dihang_in(4,k,1,m)=360.d0*ran1(idum)-180.d0
117          dihang_in(4,k,1,m)=dihang_in(4,k,1,m)*deg2rad
118         endif
119        enddo
120       enddo
121
122 ! Store cref to crefjlee (they are in COMMON.CHAIN).
123       do k=1,2*nres
124        do kk=1,3
125         kkk=1
126         crefjlee(kk,k)=cref(kk,k,kkk)
127        enddo
128       enddo
129
130       open(icsa_native_int,file=csa_native_int,status="old")
131       do m=1,n
132          write(icsa_native_int,*) m,e
133          write(icsa_native_int,200) &
134           (dihang_in(1,k,1,m)*rad2deg,k=2,nres-1)
135          write(icsa_native_int,200) &
136           (dihang_in(2,k,1,m)*rad2deg,k=2,nres-2)
137          write(icsa_native_int,200) &
138           (dihang_in(3,k,1,m)*rad2deg,k=2,nres-1)
139          write(icsa_native_int,200) &
140           (dihang_in(4,k,1,m)*rad2deg,k=2,nres-1)
141       enddo
142
143       do k=1,nres
144        write(icsa_native_int,200) (crefjlee(i,k),i=1,3)
145       enddo
146       close(icsa_native_int)
147
148   200 format (8f10.4)
149
150       return
151       end subroutine from_pdb
152 !-----------------------------------------------------------------------------
153       subroutine from_int(n,mm,idum)
154
155       use csa_data
156       use geometry_data
157       use energy_data
158       use geometry, only:chainbuild,gen_side
159       use energy, only:etotal
160       use compare
161 !      implicit real*8 (a-h,o-z)
162 !      include 'DIMENSIONS'
163 !      include 'COMMON.IOUNITS'
164 !      include 'COMMON.CHAIN'
165 !      include 'COMMON.VAR'
166 !      include 'COMMON.INTERACT'
167 !      include 'COMMON.BANK'
168 !      include 'COMMON.GEO'
169 !      include 'COMMON.CONTACTS'
170 !      integer ilen
171 !el      external ilen
172       logical :: fail
173       real(kind=8),dimension(0:n_ene) :: energia
174 !el local variables
175       integer :: n,mm,idum,i,ii,j,m,k,kk,maxcount_fail,icount_fail,maxsi
176       real(kind=8) :: co
177
178       open(icsa_native_int,file=csa_native_int,status="old")
179       read (icsa_native_int,*)
180       call read_angles(icsa_native_int,*10)
181       goto 11
182    10 write (iout,'(2a)') "CHUJ NASTAPIL - error in ",&
183         csa_native_int(:ilen(csa_native_int))
184    11 continue
185       call intout
186       do j=2,nres-1
187         dihang_in(1,j,1,1)=theta(j+1)
188         dihang_in(2,j,1,1)=phi(j+2)
189         dihang_in(3,j,1,1)=alph(j)
190         dihang_in(4,j,1,1)=omeg(j)
191       enddo
192       dihang_in(2,nres-1,1,1)=0.0d0
193
194 !         read(icsa_native_int,*) ind,e
195 !         read(icsa_native_int,200) (dihang_in(1,k,1,1),k=2,nres-1)
196 !         read(icsa_native_int,200) (dihang_in(2,k,1,1),k=2,nres-2)
197 !         read(icsa_native_int,200) (dihang_in(3,k,1,1),k=2,nres-1)
198 !         read(icsa_native_int,200) (dihang_in(4,k,1,1),k=2,nres-1)
199 !         dihang_in(2,nres-1,1,1)=0.d0
200
201          maxsi=100
202          maxcount_fail=100
203
204          do m=mm+2,n
205 !          do k=2,nres-1
206 !           dihang_in(1,k,1,m)=dihang_in(1,k,1,1)
207 !           dihang_in(2,k,1,m)=dihang_in(2,k,1,1)
208 !           if(abs(dihang_in(3,k,1,1)).gt.1.d-3) then
209 !            dihang_in(3,k,1,m)=90.d0*ran1(idum)+90.d0
210 !           endif
211 !           if(abs(dihang_in(4,k,1,1)).gt.1.d-3) then
212 !            dihang_in(4,k,1,m)=360.d0*ran1(idum)-180.d0
213 !           endif
214 !          enddo
215 !           call intout
216            fail=.true.
217
218            icount_fail=0
219
220            DO WHILE (FAIL .AND. ICOUNT_FAIL .LE. MAXCOUNT_FAIL)
221
222            do i=nnt,nct
223              if (itype(i,1).ne.10) then
224 !d             print *,'i=',i,' itype=',itype(i,1),' theta=',theta(i+1)
225                fail=.true.
226                ii=0
227                do while (fail .and. ii .le. maxsi)
228                  call gen_side(itype(i,1),theta(i+1),alph(i),omeg(i),fail)
229                  ii = ii+1
230                enddo
231              endif
232            enddo
233            call chainbuild
234            call etotal(energia)
235            fail = (energia(0).ge.1.0d20)
236            icount_fail=icount_fail+1
237
238            ENDDO
239
240            if (icount_fail.gt.maxcount_fail) then
241              write (iout,*) &
242              'Failed to generate non-overlaping near-native conf.',&
243              m
244            endif
245
246            do j=2,nres-1
247              dihang_in(1,j,1,m)=theta(j+1)
248              dihang_in(2,j,1,m)=phi(j+2)
249              dihang_in(3,j,1,m)=alph(j)
250              dihang_in(4,j,1,m)=omeg(j)
251            enddo
252            dihang_in(2,nres-1,1,m)=0.0d0
253          enddo
254
255 !      do m=1,n
256 !        write(icsa_native_int,*) m,e
257 !         write(icsa_native_int,200) (dihang_in(1,k,1,m),k=2,nres-1)
258 !         write(icsa_native_int,200) (dihang_in(2,k,1,m),k=2,nres-2)
259 !         write(icsa_native_int,200) (dihang_in(3,k,1,m),k=2,nres-1)
260 !         write(icsa_native_int,200) (dihang_in(4,k,1,m),k=2,nres-1)
261 !      enddo
262 !     close(icsa_native_int)
263
264 !      do m=mm+2,n
265 !       do i=1,4
266 !        do j=2,nres-1
267 !         dihang_in(i,j,1,m)=dihang_in(i,j,1,m)*deg2rad
268 !        enddo
269 !       enddo
270 !      enddo
271
272       call dihang_to_c(dihang_in(1,1,1,1))
273
274 ! Store c to cref (they are in COMMON.CHAIN).
275       do k=1,2*nres
276        do kk=1,3
277         crefjlee(kk,k)=c(kk,k)
278        enddo
279       enddo
280
281       call contact(.true.,ncont_ref,icont_ref,co)
282
283 !      do k=1,nres
284 !       write(icsa_native_int,200) (crefjlee(i,k),i=1,3)
285 !      enddo
286       close(icsa_native_int)
287
288   200 format (8f10.4)
289
290       return
291       end subroutine from_int
292 !-----------------------------------------------------------------------------
293       subroutine dihang_to_c(aarray)
294
295       use geometry_data
296       use csa_data
297       use geometry, only:chainbuild
298 !      implicit real*8 (a-h,o-z)
299 !      include 'DIMENSIONS'
300 !      include 'COMMON.CSA'
301 !      include 'COMMON.BANK'
302 !      include 'COMMON.CHAIN'
303 !      include 'COMMON.GEO'
304 !      include 'COMMON.VAR'
305       integer :: i
306       real(kind=8),dimension(mxang,nres,mxch) :: aarray !(mxang,maxres,mxch)
307
308 !     do i=4,nres
309 !      phi(i)=dihang_in(1,i-2,1,1)
310 !     enddo
311       do i=2,nres-1
312        theta(i+1)=aarray(1,i,1)
313        phi(i+2)=aarray(2,i,1)
314        alph(i)=aarray(3,i,1)
315        omeg(i)=aarray(4,i,1)
316       enddo
317
318       call chainbuild
319
320       return
321       end subroutine dihang_to_c
322 !-----------------------------------------------------------------------------
323 ! geomout.F
324 !-----------------------------------------------------------------------------
325 #ifdef NOXDR
326       subroutine cartout(time)
327 #else
328       subroutine cartoutx(time)
329 #endif
330       use geometry_data, only: c,nres
331       use energy_data
332       use MD_data, only: potE,t_bath
333 !      implicit real*8 (a-h,o-z)
334 !      include 'DIMENSIONS'
335 !      include 'COMMON.CHAIN'
336 !      include 'COMMON.INTERACT'
337 !      include 'COMMON.NAMES'
338 !      include 'COMMON.IOUNITS'
339 !      include 'COMMON.HEADER'
340 !      include 'COMMON.SBRIDGE'
341 !      include 'COMMON.DISTFIT'
342 !      include 'COMMON.MD'
343       real(kind=8) :: time
344 !el  local variables
345       integer :: j,k,i
346
347 #if defined(AIX) || defined(PGI)
348       open(icart,file=cartname,position="append")
349 #else
350       open(icart,file=cartname,access="append")
351 #endif
352       write (icart,'(e15.8,2e15.5,f12.5,$)') time,potE,uconst,t_bath
353       if (dyn_ss) then
354        write (icart,'(i4,$)') &
355          nss,(idssb(j)+nres,jdssb(j)+nres,j=1,nss)       
356       else
357        write (icart,'(i4,$)') &
358          nss,(ihpb(j),jhpb(j),j=1,nss)
359        endif
360        write (icart,'(i4,20f7.4)') nfrag+npair+3*nfrag_back,&
361        (qfrag(i),i=1,nfrag),(qpair(i),i=1,npair),&
362        (utheta(i),ugamma(i),uscdiff(i),i=1,nfrag_back)
363       write (icart,'(8f10.5)') &
364        ((c(k,j),k=1,3),j=1,nres),&
365        ((c(k,j+nres),k=1,3),j=nnt,nct)
366       close(icart)
367       return
368
369 #ifdef NOXDR
370       end subroutine cartout
371 #else
372       end subroutine cartoutx
373 #endif
374 !-----------------------------------------------------------------------------
375 #ifndef NOXDR
376       subroutine cartout(time)
377 !      implicit real*8 (a-h,o-z)
378 !      include 'DIMENSIONS'
379       use geometry_data, only: c,nres
380       use energy_data
381       use MD_data, only: potE,t_bath
382 #ifdef MPI
383       use MPI_data
384       include 'mpif.h'
385 !      include 'COMMON.SETUP'
386 #else
387       integer,parameter :: me=0
388 #endif
389 !      include 'COMMON.CHAIN'
390 !      include 'COMMON.INTERACT'
391 !      include 'COMMON.NAMES'
392 !      include 'COMMON.IOUNITS'
393 !      include 'COMMON.HEADER'
394 !      include 'COMMON.SBRIDGE'
395 !      include 'COMMON.DISTFIT'
396 !      include 'COMMON.MD'
397       real(kind=8) :: time
398       integer :: iret,itmp
399       real(kind=4) :: prec
400       real(kind=4),dimension(3,2*nres+2) :: xcoord      !(3,maxres2+2)  (maxres2=2*maxres
401 !el  local variables
402       integer :: j,i,ixdrf
403
404 #ifdef AIX
405       call xdrfopen_(ixdrf,cartname, "a", iret)
406       call xdrffloat_(ixdrf, real(time), iret)
407       call xdrffloat_(ixdrf, real(potE), iret)
408       call xdrffloat_(ixdrf, real(uconst), iret)
409       call xdrffloat_(ixdrf, real(uconst_back), iret)
410       call xdrffloat_(ixdrf, real(t_bath), iret)
411       call xdrfint_(ixdrf, nss, iret) 
412       do j=1,nss
413        if (dyn_ss) then
414         call xdrfint_(ixdrf, idssb(j)+nres, iret)
415         call xdrfint_(ixdrf, jdssb(j)+nres, iret)
416        else
417         call xdrfint_(ixdrf, ihpb(j), iret)
418         call xdrfint_(ixdrf, jhpb(j), iret)
419        endif
420       enddo
421       call xdrfint_(ixdrf, nfrag+npair+3*nfrag_back, iret)
422       do i=1,nfrag
423         call xdrffloat_(ixdrf, real(qfrag(i)), iret)
424       enddo
425       do i=1,npair
426         call xdrffloat_(ixdrf, real(qpair(i)), iret)
427       enddo
428       do i=1,nfrag_back
429         call xdrffloat_(ixdrf, real(utheta(i)), iret)
430         call xdrffloat_(ixdrf, real(ugamma(i)), iret)
431         call xdrffloat_(ixdrf, real(uscdiff(i)), iret)
432       enddo
433 #else
434       call xdrfopen(ixdrf,cartname, "a", iret)
435       call xdrffloat(ixdrf, real(time), iret)
436       call xdrffloat(ixdrf, real(potE), iret)
437       call xdrffloat(ixdrf, real(uconst), iret)
438       call xdrffloat(ixdrf, real(uconst_back), iret)
439       call xdrffloat(ixdrf, real(t_bath), iret)
440       call xdrfint(ixdrf, nss, iret) 
441       do j=1,nss
442        if (dyn_ss) then
443         call xdrfint(ixdrf, idssb(j)+nres, iret)
444         call xdrfint(ixdrf, jdssb(j)+nres, iret)
445        else
446         call xdrfint(ixdrf, ihpb(j), iret)
447         call xdrfint(ixdrf, jhpb(j), iret)
448        endif
449       enddo
450       call xdrfint(ixdrf, nfrag+npair+3*nfrag_back, iret)
451       do i=1,nfrag
452         call xdrffloat(ixdrf, real(qfrag(i)), iret)
453       enddo
454       do i=1,npair
455         call xdrffloat(ixdrf, real(qpair(i)), iret)
456       enddo
457       do i=1,nfrag_back
458         call xdrffloat(ixdrf, real(utheta(i)), iret)
459         call xdrffloat(ixdrf, real(ugamma(i)), iret)
460         call xdrffloat(ixdrf, real(uscdiff(i)), iret)
461       enddo
462 #endif
463       prec=10000.0
464       do i=1,nres
465        do j=1,3
466         xcoord(j,i)=c(j,i)
467        enddo
468       enddo
469       do i=nnt,nct
470        do j=1,3
471         xcoord(j,nres+i-nnt+1)=c(j,i+nres)
472        enddo
473       enddo
474
475       itmp=nres+nct-nnt+1
476 #ifdef AIX
477       call xdrf3dfcoord_(ixdrf, xcoord, itmp, prec, iret)
478       call xdrfclose_(ixdrf, iret)
479 #else
480       call xdrf3dfcoord(ixdrf, xcoord, itmp, prec, iret)
481       call xdrfclose(ixdrf, iret)
482 #endif
483       return
484       end subroutine cartout
485 #endif
486 !-----------------------------------------------------------------------------
487       subroutine statout(itime)
488
489       use energy_data
490       use control_data
491       use MD_data
492       use MPI_data
493       use compare, only:rms_nac_nnc
494 !      implicit real*8 (a-h,o-z)
495 !      include 'DIMENSIONS'
496 !      include 'COMMON.CONTROL'
497 !      include 'COMMON.CHAIN'
498 !      include 'COMMON.INTERACT'
499 !      include 'COMMON.NAMES'
500 !      include 'COMMON.IOUNITS'
501 !      include 'COMMON.HEADER'
502 !      include 'COMMON.SBRIDGE'
503 !      include 'COMMON.DISTFIT'
504 !      include 'COMMON.MD'
505 !      include 'COMMON.REMD'
506 !      include 'COMMON.SETUP'
507       integer :: itime
508       real(kind=8),dimension(0:n_ene) :: energia
509 !      double precision gyrate
510 !el      external gyrate
511 !el      common /gucio/ cm
512       character(len=256) :: line1,line2
513       character(len=4) :: format1,format2
514       character(len=30) :: format
515 !el  local variables
516       integer :: i,ii1,ii2,j
517       real(kind=8) :: rms,frac,frac_nn,co,distance
518
519 #ifdef AIX
520       if(itime.eq.0) then
521        open(istat,file=statname,position="append")
522       endif
523 #else
524 #ifdef PGI
525       open(istat,file=statname,position="append")
526 #else
527       open(istat,file=statname,access="append")
528 #endif
529 #endif
530        if (AFMlog.gt.0) then
531        if (refstr) then
532          call rms_nac_nnc(rms,frac,frac_nn,co,.false.)
533           write (line1,'(i10,f15.2,3f12.3,f7.2,2f6.3,4f12.3,i5,$)')&
534                itime,totT,EK,potE,totE,&
535                rms,frac,frac_nn,kinetic_T,t_bath,gyrate(),&
536                potEcomp(23),me
537           format1="a133"
538          else
539 !C          print *,'A CHUJ',potEcomp(23)
540           write (line1,'(i10,f15.2,7f12.3,i5,$)') &
541                 itime,totT,EK,potE,totE,&
542                 kinetic_T,t_bath,gyrate(),&
543                 potEcomp(23),me
544           format1="a114"
545         endif
546        else if (selfguide.gt.0) then
547        distance=0.0
548        do j=1,3
549        distance=distance+(c(j,afmend)-c(j,afmbeg))**2
550        enddo
551        distance=dsqrt(distance)
552        if (refstr) then
553          call rms_nac_nnc(rms,frac,frac_nn,co,.false.)
554           write (line1,'(i10,f15.2,3f12.3,f7.2,2f6.3,f12.3,f10.1,2f8.2, &
555          f9.3,i5,$)') &
556                itime,totT,EK,potE,totE,&
557                rms,frac,frac_nn,kinetic_T,t_bath,gyrate(),&
558                distance,potEcomp(23),me
559           format1="a133"
560 !C          print *,"CHUJOWO"
561          else
562 !C          print *,'A CHUJ',potEcomp(23)
563           write (line1,'(i10,f15.2,8f12.3,i5,$)')&
564                 itime,totT,EK,potE,totE, &
565                 kinetic_T,t_bath,gyrate(),&
566                 distance,potEcomp(23),me
567           format1="a114"
568         endif
569        else
570        if (refstr) then
571          call rms_nac_nnc(rms,frac,frac_nn,co,.false.)
572           write (line1,'(i10,f15.2,3f12.3,f7.2,4f6.3,3f12.3,i5,$)') &
573                 itime,totT,EK,potE,totE,&
574                 rms,frac,frac_nn,co,amax,kinetic_T,t_bath,gyrate(),me
575           format1="a133"
576         else
577           write (line1,'(i10,f15.2,7f12.3,i5,$)') &
578                  itime,totT,EK,potE,totE,&
579                  amax,kinetic_T,t_bath,gyrate(),me
580           format1="a114"
581         endif
582         ENDIF
583         if(usampl.and.totT.gt.eq_time) then
584            write(line2,'(i5,2f9.4,300f7.4)') iset,uconst,uconst_back,&
585             (qfrag(ii1),ii1=1,nfrag),(qpair(ii2),ii2=1,npair),&
586             (utheta(i),ugamma(i),uscdiff(i),i=1,nfrag_back)
587            write(format2,'(a1,i3.3)') "a",23+7*nfrag+7*npair &
588                    +21*nfrag_back
589         else
590            format2="a001"
591            line2=' '
592         endif
593         if (print_compon) then
594           if(itime.eq.0) then
595            write(format,'(a1,a4,a1,a4,a10)') "(",format1,",",format2,&
596                                                            ",20a12)"
597            write (istat,format) "#","",&
598             (ename(print_order(i)),i=1,nprint_ene)
599           endif
600           write(format,'(a1,a4,a1,a4,a10)') "(",format1,",",format2,&
601                                                            ",20f12.3)"
602           write (istat,format) line1,line2,&
603             (potEcomp(print_order(i)),i=1,nprint_ene)
604         else
605           write(format,'(a1,a4,a1,a4,a1)') "(",format1,",",format2,")"
606           write (istat,format) line1,line2
607         endif
608 #if defined(AIX)
609         call flush(istat)
610 #else
611         close(istat)
612 #endif
613       return
614       end subroutine  statout
615 !-----------------------------------------------------------------------------
616 ! readrtns_CSA.F
617 !-----------------------------------------------------------------------------
618       subroutine readrtns
619
620       use control_data
621       use energy_data
622       use MPI_data
623       use muca_md, only:read_muca
624 !      implicit real*8 (a-h,o-z)
625 !      include 'DIMENSIONS'
626 #ifdef MPI
627       include 'mpif.h'
628 #endif
629 !      include 'COMMON.SETUP'
630 !      include 'COMMON.CONTROL'
631 !      include 'COMMON.SBRIDGE'
632 !      include 'COMMON.IOUNITS'
633       logical :: file_exist
634       integer :: i
635 ! Read force-field parameters except weights
636 !      call parmread
637 ! Read job setup parameters
638       call read_control
639 ! Read force-field parameters except weights
640       call parmread
641
642 ! Read control parameters for energy minimzation if required
643       if (minim) call read_minim
644 ! Read MCM control parameters if required
645       if (modecalc.eq.3 .or. modecalc.eq.6) call mcmread
646 ! Read MD control parameters if reqjuired
647       if (modecalc.eq.12) call read_MDpar
648 ! Read MREMD control parameters if required
649       if (modecalc.eq.14) then 
650          call read_MDpar
651          call read_REMDpar
652       endif
653 ! Read MUCA control parameters if required
654       if (lmuca) call read_muca
655 ! Read CSA control parameters if required (from fort.40 if exists
656 ! otherwise from general input file)
657       if (modecalc.eq.8) then
658        inquire (file="fort.40",exist=file_exist)
659        if (.not.file_exist) call csaread
660       endif 
661 !fmc      if (modecalc.eq.10) call mcmfread
662 ! Read molecule information, molecule geometry, energy-term weights, and
663 ! restraints if requested
664       call molread
665 ! Print restraint information
666 #ifdef MPI
667       if (.not. out1file .or. me.eq.king) then
668 #endif
669       if (nhpb.gt.nss) &
670       write (iout,'(a,i5,a)') "The following",nhpb-nss,&
671        " distance constraints have been imposed"
672       do i=nss+1,nhpb
673         write (iout,'(3i6,f10.5)') i-nss,ihpb(i),jhpb(i),forcon(i)
674       enddo
675 #ifdef MPI
676       endif
677 #endif
678 !      print *,"Processor",myrank," leaves READRTNS"
679 !      write(iout,*) "end readrtns"
680       return
681       end subroutine readrtns
682 !-----------------------------------------------------------------------------
683       subroutine molread
684 !
685 ! Read molecular data.
686 !
687 !      use control, only: ilen
688       use control_data
689       use geometry_data
690       use energy_data
691       use energy
692       use compare_data
693       use MD_data, only: t_bath
694       use MPI_data
695       use compare, only:seq_comp,contact
696       use control
697 !      implicit real*8 (a-h,o-z)
698 !      include 'DIMENSIONS'
699 #ifdef MPI
700       include 'mpif.h'
701       integer :: error_msg,ierror,ierr,ierrcode
702 #endif
703 !      include 'COMMON.IOUNITS'
704 !      include 'COMMON.GEO'
705 !      include 'COMMON.VAR'
706 !      include 'COMMON.INTERACT'
707 !      include 'COMMON.LOCAL'
708 !      include 'COMMON.NAMES'
709 !      include 'COMMON.CHAIN'
710 !      include 'COMMON.FFIELD'
711 !      include 'COMMON.SBRIDGE'
712 !      include 'COMMON.HEADER'
713 !      include 'COMMON.CONTROL'
714 !      include 'COMMON.DBASE'
715 !      include 'COMMON.THREAD'
716 !      include 'COMMON.CONTACTS'
717 !      include 'COMMON.TORCNSTR'
718 !      include 'COMMON.TIME1'
719 !      include 'COMMON.BOUNDS'
720 !      include 'COMMON.MD'
721 !      include 'COMMON.SETUP'
722       character(len=4),dimension(:,:),allocatable :: sequence   !(maxres,maxmolecules)
723 !      integer :: rescode
724 !      double precision x(maxvar)
725       character(len=256) :: pdbfile
726       character(len=800) :: weightcard
727       character(len=80) :: weightcard_t!,ucase
728 !      integer,dimension(:),allocatable :: itype_pdb    !(maxres)
729 !      common /pizda/ itype_pdb
730       logical :: fail   !seq_comp,
731       real(kind=8) :: energia(0:n_ene)
732 !      integer ilen
733 !el      external ilen
734 !el local varables
735       integer :: i,j,l,k,kkk,ii,i1,i2,it1,it2
736
737       real(kind=8),dimension(3,maxres2+2) :: c_alloc
738       real(kind=8),dimension(3,0:maxres2) :: dc_alloc
739       integer,dimension(maxres) :: itype_alloc
740
741       integer :: iti,nsi,maxsi,itrial,itmp
742       real(kind=8) :: wlong,scalscp,co,ssscale
743       allocate(weights(n_ene))
744 !-----------------------------
745       allocate(c(3,2*maxres+2)) !(3,maxres2+2) maxres2=2*maxres
746       allocate(dc(3,0:2*maxres)) !(3,0:maxres2)
747       allocate(itype(maxres,5)) !(maxres)
748       allocate(istype(maxres))
749 !
750 ! Zero out tables.
751 !
752       c(:,:)=0.0D0
753       dc(:,:)=0.0D0
754       itype(:,:)=0
755 !-----------------------------
756 !
757 ! Body
758 !
759 ! Read weights of the subsequent energy terms.
760       call card_concat(weightcard,.true.)
761       call reada(weightcard,'WLONG',wlong,1.0D0)
762       call reada(weightcard,'WSC',wsc,wlong)
763       call reada(weightcard,'WSCP',wscp,wlong)
764       call reada(weightcard,'WELEC',welec,1.0D0)
765       call reada(weightcard,'WVDWPP',wvdwpp,welec)
766       call reada(weightcard,'WEL_LOC',wel_loc,1.0D0)
767       call reada(weightcard,'WCORR4',wcorr4,0.0D0)
768       call reada(weightcard,'WCORR5',wcorr5,0.0D0)
769       call reada(weightcard,'WCORR6',wcorr6,0.0D0)
770       call reada(weightcard,'WTURN3',wturn3,1.0D0)
771       call reada(weightcard,'WTURN4',wturn4,1.0D0)
772       call reada(weightcard,'WTURN6',wturn6,1.0D0)
773       call reada(weightcard,'WSCCOR',wsccor,1.0D0)
774       call reada(weightcard,'WSTRAIN',wstrain,1.0D0)
775       call reada(weightcard,'WVDWPP_NUCL',wvdwpp_nucl,0.0D0)
776       call reada(weightcard,'WELPP',welpp,0.0d0)
777       call reada(weightcard,'WVDWPSB',wvdwpsb,0.0d0)
778       call reada(weightcard,'WELPSB',welpsb,0.0D0)
779       call reada(weightcard,'WVDWSB',wvdwsb,0.0d0)
780       call reada(weightcard,'WELSB',welsb,0.0D0)
781       call reada(weightcard,'WBOND_NUCL',wbond_nucl,0.0D0)
782       call reada(weightcard,'WANG_NUCL',wang_nucl,0.0D0)
783       call reada(weightcard,'WSBLOC',wsbloc,0.0D0)
784       call reada(weightcard,'WTOR_NUCL',wtor_nucl,0.0D0)
785       call reada(weightcard,'WTORD_NUCL',wtor_d_nucl,0.0D0)
786       call reada(weightcard,'WCORR_NUCL',wcorr_nucl,0.0D0)
787       call reada(weightcard,'WCORR3_NUCL',wcorr3_nucl,0.0D0)
788       call reada(weightcard,'WBOND',wbond,1.0D0)
789       call reada(weightcard,'WTOR',wtor,1.0D0)
790       call reada(weightcard,'WTORD',wtor_d,1.0D0)
791       call reada(weightcard,'WSHIELD',wshield,0.05D0)
792       call reada(weightcard,'LIPSCALE',lipscale,1.0D0)
793       call reada(weightcard,'WLT',wliptran,1.0D0)
794       call reada(weightcard,'WTUBE',wtube,1.0d0)
795       call reada(weightcard,'WANG',wang,1.0D0)
796       call reada(weightcard,'WSCLOC',wscloc,1.0D0)
797       call reada(weightcard,'SCAL14',scal14,0.4D0)
798       call reada(weightcard,'SCALSCP',scalscp,1.0d0)
799       call reada(weightcard,'CUTOFF',cutoff_corr,7.0d0)
800       call reada(weightcard,'DELT_CORR',delt_corr,0.5d0)
801       call reada(weightcard,'TEMP0',temp0,300.0d0)
802       call reada(weightcard,'WSCBASE',wscbase,0.0D0)
803       if (index(weightcard,'SOFT').gt.0) ipot=6
804       call reada(weightcard,'WBOND_NUCL',wbond_nucl,0.0D0)
805       call reada(weightcard,'WCATCAT',wcatcat,0.0d0)
806       call reada(weightcard,'WCATPROT',wcatprot,0.0d0)
807       call reada(weightcard,'WPEPBASE',wpepbase,1.0d0)
808       call reada(weightcard,'WSCPHO',wscpho,0.0d0)
809       call reada(weightcard,'WPEPPHO',wpeppho,0.0d0)
810
811 ! 12/1/95 Added weight for the multi-body term WCORR
812       call reada(weightcard,'WCORRH',wcorr,1.0D0)
813       if (wcorr4.gt.0.0d0) wcorr=wcorr4
814       weights(1)=wsc
815       weights(2)=wscp
816       weights(3)=welec
817       weights(4)=wcorr
818       weights(5)=wcorr5
819       weights(6)=wcorr6
820       weights(7)=wel_loc
821       weights(8)=wturn3
822       weights(9)=wturn4
823       weights(10)=wturn6
824       weights(11)=wang
825       weights(12)=wscloc
826       weights(13)=wtor
827       weights(14)=wtor_d
828       weights(15)=wstrain
829       weights(16)=wvdwpp
830       weights(17)=wbond
831       weights(18)=scal14
832       weights(21)=wsccor
833       if(me.eq.king.or..not.out1file) &
834        write (iout,10) wsc,wscp,welec,wvdwpp,wbond,wang,wscloc,wtor,&
835         wtor_d,wstrain,wel_loc,wcorr,wcorr5,wcorr6,wsccor,wturn3,&
836         wturn4,wturn6
837    10 format (/'Energy-term weights (unscaled):'// &
838        'WSCC=   ',f10.6,' (SC-SC)'/ &
839        'WSCP=   ',f10.6,' (SC-p)'/ &
840        'WELEC=  ',f10.6,' (p-p electr)'/ &
841        'WVDWPP= ',f10.6,' (p-p VDW)'/ &
842        'WBOND=  ',f10.6,' (stretching)'/ &
843        'WANG=   ',f10.6,' (bending)'/ &
844        'WSCLOC= ',f10.6,' (SC local)'/ &
845        'WTOR=   ',f10.6,' (torsional)'/ &
846        'WTORD=  ',f10.6,' (double torsional)'/ &
847        'WSTRAIN=',f10.6,' (SS bridges & dist. cnstr.)'/ &
848        'WEL_LOC=',f10.6,' (multi-body 3-rd order)'/ &
849        'WCORR4= ',f10.6,' (multi-body 4th order)'/ &
850        'WCORR5= ',f10.6,' (multi-body 5th order)'/ &
851        'WCORR6= ',f10.6,' (multi-body 6th order)'/ &
852        'WSCCOR= ',f10.6,' (back-scloc correlation)'/ &
853        'WTURN3= ',f10.6,' (turns, 3rd order)'/ &
854        'WTURN4= ',f10.6,' (turns, 4th order)'/ &
855        'WTURN6= ',f10.6,' (turns, 6th order)')
856       if(me.eq.king.or..not.out1file)then
857        if (wcorr4.gt.0.0d0) then
858         write (iout,'(/2a/)') 'Local-electrostatic type correlation ',&
859          'between contact pairs of peptide groups'
860         write (iout,'(2(a,f5.3/))') &
861         'Cutoff on 4-6th order correlation terms: ',cutoff_corr,&
862         'Range of quenching the correlation terms:',2*delt_corr 
863        else if (wcorr.gt.0.0d0) then
864         write (iout,'(/2a/)') 'Hydrogen-bonding correlation ',&
865          'between contact pairs of peptide groups'
866        endif
867        write (iout,'(a,f8.3)') &
868         'Scaling factor of 1,4 SC-p interactions:',scal14
869        write (iout,'(a,f8.3)') &
870         'General scaling factor of SC-p interactions:',scalscp
871       endif
872       r0_corr=cutoff_corr-delt_corr
873       do i=1,ntyp
874         aad(i,1)=scalscp*aad(i,1)
875         aad(i,2)=scalscp*aad(i,2)
876         bad(i,1)=scalscp*bad(i,1)
877         bad(i,2)=scalscp*bad(i,2)
878       enddo
879       call rescale_weights(t_bath)
880       if(me.eq.king.or..not.out1file) &
881        write (iout,22) wsc,wscp,welec,wvdwpp,wbond,wang,wscloc,wtor,&
882         wtor_d,wstrain,wel_loc,wcorr,wcorr5,wcorr6,wsccor,wturn3,&
883         wturn4,wturn6
884    22 format (/'Energy-term weights (scaled):'// &
885        'WSCC=   ',f10.6,' (SC-SC)'/ &
886        'WSCP=   ',f10.6,' (SC-p)'/ &
887        'WELEC=  ',f10.6,' (p-p electr)'/ &
888        'WVDWPP= ',f10.6,' (p-p VDW)'/ &
889        'WBOND=  ',f10.6,' (stretching)'/ &
890        'WANG=   ',f10.6,' (bending)'/ &
891        'WSCLOC= ',f10.6,' (SC local)'/ &
892        'WTOR=   ',f10.6,' (torsional)'/ &
893        'WTORD=  ',f10.6,' (double torsional)'/ &
894        'WSTRAIN=',f10.6,' (SS bridges & dist. cnstr.)'/ &
895        'WEL_LOC=',f10.6,' (multi-body 3-rd order)'/ &
896        'WCORR4= ',f10.6,' (multi-body 4th order)'/ &
897        'WCORR5= ',f10.6,' (multi-body 5th order)'/ &
898        'WCORR6= ',f10.6,' (multi-body 6th order)'/ &
899        'WSCCOR= ',f10.6,' (back-scloc correlatkion)'/ &
900        'WTURN3= ',f10.6,' (turns, 3rd order)'/ &
901        'WTURN4= ',f10.6,' (turns, 4th order)'/ &
902        'WTURN6= ',f10.6,' (turns, 6th order)')
903       if(me.eq.king.or..not.out1file) &
904        write (iout,*) "Reference temperature for weights calculation:",&
905         temp0
906       call reada(weightcard,"D0CM",d0cm,3.78d0)
907       call reada(weightcard,"AKCM",akcm,15.1d0)
908       call reada(weightcard,"AKTH",akth,11.0d0)
909       call reada(weightcard,"AKCT",akct,12.0d0)
910       call reada(weightcard,"V1SS",v1ss,-1.08d0)
911       call reada(weightcard,"V2SS",v2ss,7.61d0)
912       call reada(weightcard,"V3SS",v3ss,13.7d0)
913       call reada(weightcard,"EBR",ebr,-5.50D0)
914       call reada(weightcard,"ATRISS",atriss,0.301D0)
915       call reada(weightcard,"BTRISS",btriss,0.021D0)
916       call reada(weightcard,"CTRISS",ctriss,1.001D0)
917       call reada(weightcard,"DTRISS",dtriss,1.001D0)
918       call reada(weightcard,"SSSCALE",ssscale,1.0D0)
919       dyn_ss=(index(weightcard,'DYN_SS').gt.0)
920
921       call reada(weightcard,"HT",Ht,0.0D0)
922       if (dyn_ss) then
923        ss_depth=(ebr/wsc-0.25*eps(1,1))*ssscale
924         Ht=(Ht/wsc-0.25*eps(1,1))*ssscale
925         akcm=akcm/wsc*ssscale
926         akth=akth/wsc*ssscale
927         akct=akct/wsc*ssscale
928         v1ss=v1ss/wsc*ssscale
929         v2ss=v2ss/wsc*ssscale
930         v3ss=v3ss/wsc*ssscale
931       else
932         ss_depth=ebr/wstrain-0.25*eps(1,1)*wsc/wstrain
933       endif
934
935       if(me.eq.king.or..not.out1file) then
936        write (iout,*) "Parameters of the SS-bond potential:"
937        write (iout,*) "D0CM",d0cm," AKCM",akcm," AKTH",akth,&
938        " AKCT",akct
939        write (iout,*) "V1SS",v1ss," V2SS",v2ss," V3SS",v3ss
940        write (iout,*) "EBR",ebr," SS_DEPTH",ss_depth
941        write (iout,*)" HT",Ht
942        print *,'indpdb=',indpdb,' pdbref=',pdbref
943       endif
944       if (indpdb.gt.0 .or. pdbref) then
945         read(inp,'(a)') pdbfile
946         if(me.eq.king.or..not.out1file) &
947          write (iout,'(2a)') 'PDB data will be read from file ',&
948          pdbfile(:ilen(pdbfile))
949         open(ipdbin,file=pdbfile,status='old',err=33)
950         goto 34 
951   33    write (iout,'(a)') 'Error opening PDB file.'
952         stop
953   34    continue
954 !        print *,'Begin reading pdb data'
955         call readpdb
956 !        print *,'Finished reading pdb data'
957         if(me.eq.king.or..not.out1file) &
958          write (iout,'(a,i3,a,i3)')'nsup=',nsup,&
959          ' nstart_sup=',nstart_sup !,"ergwergewrgae"
960 !el        if(.not.allocated(itype_pdb)) 
961         allocate(itype_pdb(nres))
962         do i=1,nres
963           itype_pdb(i)=itype(i,1)
964         enddo
965         close (ipdbin)
966         nnt=nstart_sup
967         nct=nstart_sup+nsup-1
968 !el        if(.not.allocated(icont_ref))
969         allocate(icont_ref(2,(nres/2)*nres)) ! maxcont=12*maxres
970         call contact(.false.,ncont_ref,icont_ref,co)
971
972         if (sideadd) then 
973          if(me.eq.king.or..not.out1file) &
974           write(iout,*)'Adding sidechains'
975          maxsi=1000
976          do i=2,nres-1
977           iti=itype(i,1)
978           if (iti.ne.10 .and. itype(i,1).ne.ntyp1) then
979             nsi=0
980             fail=.true.
981             do while (fail.and.nsi.le.maxsi)
982               call gen_side(iti,theta(i+1),alph(i),omeg(i),fail)
983               nsi=nsi+1
984             enddo
985             if(fail) write(iout,*)'Adding sidechain failed for res ',&
986                     i,' after ',nsi,' trials'
987           endif
988          enddo
989         endif  
990       endif
991       
992       if (indpdb.eq.0) then
993       nres_molec(:)=0
994         allocate(sequence(maxres,5))
995 !      itype(:,:)=0
996       itmp=0
997       if (protein) then
998 ! Read sequence if not taken from the pdb file.
999         molec=1
1000         read (inp,*) nres_molec(molec)
1001         print *,'nres=',nres
1002         if (iscode.gt.0) then
1003           read (inp,'(80a1)') (sequence(i,molec)(1:1),i=1,nres_molec(molec))
1004         else
1005           read (inp,'(20(1x,a3))') (sequence(i,molec),i=1,nres_molec(molec))
1006         endif
1007 !        read(inp,*) weightcard_t
1008 !        print *,"po seq" weightcard_t
1009 ! Convert sequence to numeric code
1010         
1011         do i=1,nres_molec(molec)
1012           itmp=itmp+1
1013           itype(i,1)=rescode(i,sequence(i,molec),iscode,molec)
1014           print *,itype(i,1)
1015           
1016         enddo
1017        endif
1018 !        read(inp,*) weightcard_t
1019 !        print *,"po seq", weightcard_t
1020
1021        if (nucleic) then
1022 ! Read sequence if not taken from the pdb file.
1023         molec=2
1024         read (inp,*) nres_molec(molec)
1025 !        print *,'nres=',nres
1026 !        allocate(sequence(maxres,5))
1027 !        if (iscode.gt.0) then
1028           read (inp,'(20a4)') (sequence(i,molec),i=1,nres_molec(molec))
1029 ! Convert sequence to numeric code
1030
1031         do i=1,nres_molec(molec)
1032           itmp=itmp+1
1033           istype(itmp)=sugarcode(sequence(i,molec)(1:1),i)
1034           itype(itmp,molec)=rescode(i,sequence(i,molec)(2:2),iscode,molec)
1035         enddo
1036        endif
1037
1038        if (ions) then
1039 ! Read sequence if not taken from the pdb file.
1040         molec=5
1041         read (inp,*) nres_molec(molec)
1042 !        print *,'nres=',nres
1043           read (inp,'(20(1x,a3))') (sequence(i,molec),i=1,nres_molec(molec))
1044 ! Convert sequence to numeric code
1045         print *,nres_molec(molec) 
1046         do i=1,nres_molec(molec)
1047           itmp=itmp+1
1048           print *,itmp,"itmp"
1049           itype(itmp,molec)=rescode(i,sequence(i,molec),iscode,molec)
1050         enddo
1051        endif
1052        nres=0
1053        do i=1,5
1054         nres=nres+nres_molec(i)
1055         print *,nres_molec(i)
1056        enddo
1057        
1058 ! Assign initial virtual bond lengths
1059         if(.not.allocated(molnum)) then
1060          allocate(molnum(nres+1))
1061          itmp=0
1062         do i=1,5
1063                do j=1,nres_molec(i)
1064                itmp=itmp+1
1065               molnum(itmp)=i
1066                enddo
1067          enddo
1068 !        print *,nres_molec(i)
1069         endif
1070         if(.not.allocated(vbld)) allocate(vbld(2*nres))
1071         if(.not.allocated(vbld_inv)) allocate(vbld_inv(2*nres))
1072         do i=2,nres
1073           vbld(i)=vbl
1074           vbld_inv(i)=vblinv
1075         enddo
1076         do i=2,nres-1
1077           print *, "molnum",molnum(i),itype(i,molnum(i)) 
1078           vbld(i+nres)=dsc(iabs(itype(i,molnum(i))))
1079           vbld_inv(i+nres)=dsc_inv(iabs(itype(i,molnum(i))))
1080 !          write (iout,*) "i",i," itype",itype(i,1),
1081 !     &      " dsc",dsc(itype(i,1))," vbld",vbld(i),vbld(i+nres)
1082         enddo
1083       endif 
1084 !      print *,nres
1085 !      print '(20i4)',(itype(i,1),i=1,nres)
1086 !----------------------------
1087 !el reallocate tables
1088 !      do i=1,maxres2
1089 !        do j=1,3
1090 !          c_alloc(j,i)=c(j,i)
1091 !          dc_alloc(j,i)=dc(j,i)
1092 !        enddo
1093 !      enddo
1094 !      do i=1,maxres
1095 !elwrite(iout,*) "itype",i,itype(i,1)
1096 !        itype_alloc(i)=itype(i,1)
1097 !      enddo
1098
1099 !      deallocate(c)
1100 !      deallocate(dc)
1101 !      deallocate(itype)
1102 !      allocate(c(3,2*nres+4))
1103 !      allocate(dc(3,0:2*nres+2))
1104 !      allocate(itype(nres+2))
1105       allocate(itel(nres+2))
1106       itel(:)=0
1107
1108 !      do i=1,2*nres+2
1109 !        do j=1,3
1110 !          c(j,i)=c_alloc(j,i)
1111 !          dc(j,i)=dc_alloc(j,i)
1112 !        enddo
1113 !      enddo
1114 !      do i=1,nres+2
1115 !        itype(i,1)=itype_alloc(i)
1116 !        itel(i)=0
1117 !      enddo
1118 !--------------------------
1119       do i=1,nres
1120 #ifdef PROCOR
1121         if (itype(i,1).eq.ntyp1 .or. itype(i+1,1).eq.ntyp1) then
1122 #else
1123         if (itype(i,1).eq.ntyp1) then
1124 #endif
1125           itel(i)=0
1126 #ifdef PROCOR
1127         else if (iabs(itype(i+1,1)).ne.20) then
1128 #else
1129         else if (iabs(itype(i,1)).ne.20) then
1130 #endif
1131           itel(i)=1
1132         else
1133           itel(i)=2
1134         endif  
1135       enddo
1136       if(me.eq.king.or..not.out1file)then
1137        write (iout,*) "ITEL"
1138        print *,nres,"nres"
1139        do i=1,nres-1
1140          write (iout,*) i,itype(i,1),itel(i)
1141        enddo
1142        print *,'Call Read_Bridge.'
1143       endif
1144       call read_bridge
1145 !--------------------------------
1146        print *,"tu dochodze"
1147 ! znamy nres oraz nss można zaalokowac potrzebne tablice
1148       call alloc_geo_arrays
1149       call alloc_ener_arrays
1150 !--------------------------------
1151 ! 8/13/98 Set limits to generating the dihedral angles
1152       do i=1,nres
1153         phibound(1,i)=-pi
1154         phibound(2,i)=pi
1155       enddo
1156       read (inp,*) ndih_constr
1157       if (ndih_constr.gt.0) then
1158         allocate(idih_constr(ndih_constr),idih_nconstr(ndih_constr)) !(maxdih_constr)
1159         allocate(phi0(ndih_constr),drange(ndih_constr)) !(maxdih_constr)
1160         allocate(ftors(ndih_constr)) !(maxdih_constr)
1161         
1162 !        read (inp,*) ftors
1163         read (inp,*) (idih_constr(i),phi0(i),drange(i),ftors(i), &
1164         i=1,ndih_constr)
1165         if(me.eq.king.or..not.out1file)then
1166          write (iout,*) &
1167          'There are',ndih_constr,' constraints on phi angles.'
1168          do i=1,ndih_constr
1169           write (iout,'(i5,3f8.3)') idih_constr(i),phi0(i),drange(i), &
1170           ftors(i)
1171          enddo
1172         endif
1173         do i=1,ndih_constr
1174           phi0(i)=deg2rad*phi0(i)
1175           drange(i)=deg2rad*drange(i)
1176         enddo
1177 !        if(me.eq.king.or..not.out1file) &
1178 !         write (iout,*) 'FTORS',ftors
1179         do i=1,ndih_constr
1180           ii = idih_constr(i)
1181           phibound(1,ii) = phi0(i)-drange(i)
1182           phibound(2,ii) = phi0(i)+drange(i)
1183         enddo 
1184       endif
1185       if (with_theta_constr) then
1186 !C with_theta_constr is keyword allowing for occurance of theta constrains
1187       read (inp,*) ntheta_constr
1188 !C ntheta_constr is the number of theta constrains
1189       if (ntheta_constr.gt.0) then
1190 !C        read (inp,*) ftors
1191         allocate(itheta_constr(ntheta_constr))
1192         allocate(theta_constr0(ntheta_constr))
1193         allocate(theta_drange(ntheta_constr),for_thet_constr(ntheta_constr))
1194         read (inp,*) (itheta_constr(i),theta_constr0(i), &
1195        theta_drange(i),for_thet_constr(i), &
1196        i=1,ntheta_constr)
1197 !C the above code reads from 1 to ntheta_constr 
1198 !C itheta_constr(i) residue i for which is theta_constr
1199 !C theta_constr0 the global minimum value
1200 !C theta_drange is range for which there is no energy penalty
1201 !C for_thet_constr is the force constant for quartic energy penalty
1202 !C E=k*x**4 
1203         if(me.eq.king.or..not.out1file)then
1204          write (iout,*) &
1205         'There are',ntheta_constr,' constraints on phi angles.'
1206          do i=1,ntheta_constr
1207           write (iout,'(i5,3f8.3)') itheta_constr(i),theta_constr0(i), &
1208          theta_drange(i), &
1209          for_thet_constr(i)
1210          enddo
1211         endif
1212         do i=1,ntheta_constr
1213           theta_constr0(i)=deg2rad*theta_constr0(i)
1214           theta_drange(i)=deg2rad*theta_drange(i)
1215         enddo
1216 !C        if(me.eq.king.or..not.out1file)
1217 !C     &   write (iout,*) 'FTORS',ftors
1218 !C        do i=1,ntheta_constr
1219 !C          ii = itheta_constr(i)
1220 !C          thetabound(1,ii) = phi0(i)-drange(i)
1221 !C          thetabound(2,ii) = phi0(i)+drange(i)
1222 !C        enddo
1223       endif ! ntheta_constr.gt.0
1224       endif! with_theta_constr
1225
1226       nnt=1
1227 #ifdef MPI
1228       if (me.eq.king) then
1229 #endif
1230        write (iout,'(a)') 'Boundaries in phi angle sampling:'
1231        do i=1,nres
1232          write (iout,'(a3,i5,2f10.1)') &
1233          restyp(itype(i,1),1),i,phibound(1,i)*rad2deg,phibound(2,i)*rad2deg
1234        enddo
1235 #ifdef MP
1236       endif
1237 #endif
1238       nct=nres
1239       print *,'NNT=',NNT,' NCT=',NCT
1240       if (itype(1,molnum(1)).eq.ntyp1_molec(molnum(1))) nnt=2
1241       if (itype(nres,molnum(nres)).eq.ntyp1_molec(molnum(nres))) nct=nct-1
1242       if (pdbref) then
1243         if(me.eq.king.or..not.out1file) &
1244          write (iout,'(a,i3)') 'nsup=',nsup
1245         nstart_seq=nnt
1246         if (nsup.le.(nct-nnt+1)) then
1247           do i=0,nct-nnt+1-nsup
1248             if (seq_comp(itype(nnt+i,1),itype_pdb(nstart_sup),nsup)) then
1249               nstart_seq=nnt+i
1250               goto 111
1251             endif
1252           enddo
1253           write (iout,'(a)') &
1254                   'Error - sequences to be superposed do not match.'
1255           stop
1256         else
1257           do i=0,nsup-(nct-nnt+1)
1258             if (seq_comp(itype(nnt,1),itype_pdb(nstart_sup+i),nct-nnt+1)) &
1259             then
1260               nstart_sup=nstart_sup+i
1261               nsup=nct-nnt+1
1262               goto 111
1263             endif
1264           enddo 
1265           write (iout,'(a)') &
1266                   'Error - sequences to be superposed do not match.'
1267         endif
1268   111   continue
1269         if (nsup.eq.0) nsup=nct-nnt
1270         if (nstart_sup.eq.0) nstart_sup=nnt
1271         if (nstart_seq.eq.0) nstart_seq=nnt
1272         if(me.eq.king.or..not.out1file) &
1273          write (iout,*) 'nsup=',nsup,' nstart_sup=',nstart_sup,&
1274                        ' nstart_seq=',nstart_seq !,"242343453254"
1275       endif
1276 !--- Zscore rms -------
1277       if (nz_start.eq.0) nz_start=nnt
1278       if (nz_end.eq.0 .and. nsup.gt.0) then
1279         nz_end=nnt+nsup-1
1280       else if (nz_end.eq.0) then
1281         nz_end=nct
1282       endif
1283       if(me.eq.king.or..not.out1file)then
1284        write (iout,*) 'NZ_START=',nz_start,' NZ_END=',nz_end
1285        write (iout,*) 'IZ_SC=',iz_sc
1286       endif
1287 !----------------------
1288       call init_int_table
1289       if (refstr) then
1290         if (.not.pdbref) then
1291           call read_angles(inp,*38)
1292           goto 39
1293    38     write (iout,'(a)') 'Error reading reference structure.'
1294 #ifdef MPI
1295           call MPI_Finalize(MPI_COMM_WORLD,IERROR)
1296           stop 'Error reading reference structure'
1297 #endif
1298    39     call chainbuild
1299           call setup_var
1300 !zscore          call geom_to_var(nvar,coord_exp_zs(1,1))
1301           nstart_sup=nnt
1302           nstart_seq=nnt
1303           nsup=nct-nnt+1
1304           kkk=1
1305           do i=1,2*nres
1306             do j=1,3
1307               cref(j,i,kkk)=c(j,i)
1308             enddo
1309           enddo
1310           call contact(.true.,ncont_ref,icont_ref,co)
1311         endif
1312 !        write (iout,*) "constr_dist",constr_dist,nstart_sup,nsup
1313 !        call flush(iout)
1314 !EL        if (constr_dist.gt.0) call read_dist_constr
1315 !EL        write (iout,*) "After read_dist_constr nhpb",nhpb
1316 !EL        if ((AFMlog.gt.0).or.(selfguide.gt.0)) call read_afminp
1317 !EL        call hpb_partition
1318         if(me.eq.king.or..not.out1file) &
1319          write (iout,*) 'Contact order:',co
1320         if (pdbref) then
1321         if(me.eq.king.or..not.out1file) &
1322          write (2,*) 'Shifting contacts:',nstart_seq,nstart_sup
1323         do i=1,ncont_ref
1324           do j=1,2
1325             icont_ref(j,i)=icont_ref(j,i)+nstart_seq-nstart_sup
1326           enddo
1327           if(me.eq.king.or..not.out1file) &
1328            write (2,*) i,' ',restyp(itype(icont_ref(1,i),1),1),' ',&
1329            icont_ref(1,i),' ',&
1330            restyp(itype(icont_ref(2,i),1),1),' ',icont_ref(2,i)
1331         enddo
1332         endif
1333       endif
1334         if (constr_dist.gt.0) call read_dist_constr
1335         write (iout,*) "After read_dist_constr nhpb",nhpb
1336         if ((AFMlog.gt.0).or.(selfguide.gt.0)) call read_afminp
1337         call hpb_partition
1338
1339       if (indpdb.eq.0 .and. modecalc.ne.2 .and. modecalc.ne.4 &
1340           .and. modecalc.ne.8 .and. modecalc.ne.9 .and. &
1341           modecalc.ne.10) then
1342 ! If input structure hasn't been supplied from the PDB file read or generate
1343 ! initial geometry.
1344         if (iranconf.eq.0 .and. .not. extconf) then
1345           if(me.eq.king.or..not.out1file .and.fg_rank.eq.0) &
1346            write (iout,'(a)') 'Initial geometry will be read in.'
1347           if (read_cart) then
1348             read(inp,'(8f10.5)',end=36,err=36) &
1349              ((c(l,k),l=1,3),k=1,nres),&
1350              ((c(l,k+nres),l=1,3),k=nnt,nct)
1351             write (iout,*) "Exit READ_CART"
1352             write (iout,'(8f10.5)') &
1353              ((c(l,k),l=1,3),k=1,nres)
1354             write (iout,'(8f10.5)') &
1355              ((c(l,k+nres),l=1,3),k=nnt,nct)
1356             call int_from_cart1(.true.)
1357             write (iout,*) "Finish INT_TO_CART"
1358             do i=1,nres-1
1359               do j=1,3
1360                 dc(j,i)=c(j,i+1)-c(j,i)
1361                 dc_norm(j,i)=dc_norm(j,i)*vbld_inv(i+1)
1362               enddo
1363             enddo
1364             do i=nnt,nct
1365               if (itype(i,1).ne.10 .and. itype(i,1).ne.ntyp1) then
1366                 do j=1,3
1367                   dc(j,i+nres)=c(j,i+nres)-c(j,i) 
1368                   dc_norm(j,i+nres)=dc_norm(j,i+nres)*vbld_inv(i+nres)
1369                 enddo
1370               endif
1371             enddo
1372             return
1373           else
1374             call read_angles(inp,*36)
1375           endif
1376           goto 37
1377    36     write (iout,'(a)') 'Error reading angle file.'
1378 #ifdef MPI
1379           call mpi_finalize( MPI_COMM_WORLD,IERR )
1380 #endif
1381           stop 'Error reading angle file.'
1382    37     continue 
1383         else if (extconf) then
1384          if(me.eq.king.or..not.out1file .and. fg_rank.eq.0) &
1385           write (iout,'(a)') 'Extended chain initial geometry.'
1386          do i=3,nres
1387           theta(i)=90d0*deg2rad
1388          enddo
1389          do i=4,nres
1390           phi(i)=180d0*deg2rad
1391          enddo
1392          do i=2,nres-1
1393           alph(i)=110d0*deg2rad
1394          enddo
1395          do i=2,nres-1
1396           omeg(i)=-120d0*deg2rad
1397           if (itype(i,1).le.0) omeg(i)=-omeg(i)
1398          enddo
1399          call chainbuild
1400         else
1401           if(me.eq.king.or..not.out1file) &
1402            write (iout,'(a)') 'Random-generated initial geometry.'
1403
1404
1405 #ifdef MPI
1406           if (me.eq.king  .or. fg_rank.eq.0 .and. &
1407                  ( modecalc.eq.12 .or. modecalc.eq.14) ) then  
1408 #endif
1409             do itrial=1,100
1410               itmp=1
1411               call gen_rand_conf(itmp,*30)
1412               goto 40
1413    30         write (iout,*) 'Failed to generate random conformation',&
1414                 ', itrial=',itrial
1415               write (*,*) 'Processor:',me,&
1416                 ' Failed to generate random conformation',&
1417                 ' itrial=',itrial
1418               call intout
1419
1420 #ifdef AIX
1421               call flush_(iout)
1422 #else
1423               call flush(iout)
1424 #endif
1425             enddo
1426             write (iout,'(a,i3,a)') 'Processor:',me,&
1427               ' error in generating random conformation.'
1428             write (*,'(a,i3,a)') 'Processor:',me,&
1429               ' error in generating random conformation.'
1430             call flush(iout)
1431 #ifdef MPI
1432             call MPI_Abort(mpi_comm_world,error_msg,ierrcode)            
1433    40       continue
1434           endif
1435 #else
1436           do itrial=1,100
1437             itmp=1
1438             call gen_rand_conf(itmp,*335)
1439             goto 40
1440   335       write (iout,*) 'Failed to generate random conformation',&
1441               ', itrial=',itrial
1442             write (*,*) 'Failed to generate random conformation',&
1443               ', itrial=',itrial
1444           enddo
1445           write (iout,'(a,i3,a)') 'Processor:',me,&
1446             ' error in generating random conformation.'
1447           write (*,'(a,i3,a)') 'Processor:',me,&
1448             ' error in generating random conformation.'
1449           stop
1450    40     continue
1451 #endif
1452         endif
1453       elseif (modecalc.eq.4) then
1454         read (inp,'(a)') intinname
1455         open (intin,file=intinname,status='old',err=333)
1456         if (me.eq.king .or. .not.out1file.and.fg_rank.eq.0) &
1457         write (iout,'(a)') 'intinname',intinname
1458         write (*,'(a)') 'Processor',myrank,' intinname',intinname
1459         goto 334
1460   333   write (iout,'(2a)') 'Error opening angle file ',intinname
1461 #ifdef MPI 
1462         call MPI_Finalize(MPI_COMM_WORLD,IERR)
1463 #endif   
1464         stop 'Error opening angle file.' 
1465   334   continue
1466
1467       endif 
1468 ! Generate distance constraints, if the PDB structure is to be regularized. 
1469       if (nthread.gt.0) then
1470         call read_threadbase
1471       endif
1472       call setup_var
1473       if (me.eq.king .or. .not. out1file) &
1474        call intout
1475       if (ns.gt.0 .and. (me.eq.king .or. .not.out1file) ) then
1476         write (iout,'(/a,i3,a)') &
1477         'The chain contains',ns,' disulfide-bridging cysteines.'
1478         write (iout,'(20i4)') (iss(i),i=1,ns)
1479        if (dyn_ss) then
1480           write(iout,*)"Running with dynamic disulfide-bond formation"
1481        else
1482         write (iout,'(/a/)') 'Pre-formed links are:' 
1483         do i=1,nss
1484           i1=ihpb(i)-nres
1485           i2=jhpb(i)-nres
1486           it1=itype(i1,1)
1487           it2=itype(i2,1)
1488           if (me.eq.king.or..not.out1file) &
1489           write (iout,'(2a,i3,3a,i3,a,3f10.3)') &
1490           restyp(it1,1),'(',i1,') -- ',restyp(it2,1),'(',i2,')',dhpb(i),&
1491           ebr,forcon(i)
1492         enddo
1493         write (iout,'(a)')
1494        endif
1495       endif
1496       if (ns.gt.0.and.dyn_ss) then
1497           do i=nss+1,nhpb
1498             ihpb(i-nss)=ihpb(i)
1499             jhpb(i-nss)=jhpb(i)
1500             forcon(i-nss)=forcon(i)
1501             dhpb(i-nss)=dhpb(i)
1502           enddo
1503           nhpb=nhpb-nss
1504           nss=0
1505           call hpb_partition
1506           do i=1,ns
1507             dyn_ss_mask(iss(i))=.true.
1508           enddo
1509       endif
1510       if (i2ndstr.gt.0) call secstrp2dihc
1511 !      call geom_to_var(nvar,x)
1512 !      call etotal(energia(0))
1513 !      call enerprint(energia(0))
1514 !      call briefout(0,etot)
1515 !      stop
1516 !d    write (iout,'(2(a,i3))') 'NNT',NNT,' NCT',NCT
1517 !d    write (iout,'(a)') 'Variable list:'
1518 !d    write (iout,'(i4,f10.5)') (i,rad2deg*x(i),i=1,nvar)
1519 #ifdef MPI
1520       if (me.eq.king .or. (fg_rank.eq.0 .and. .not.out1file)) &
1521         write (iout,'(//80(1h*)/20x,a,i4,a/80(1h*)//)') &
1522         'Processor',myrank,': end reading molecular data.'
1523 #endif
1524       return
1525       end subroutine molread
1526 !-----------------------------------------------------------------------------
1527 !-----------------------------------------------------------------------------
1528       end module io