-
Notifications
You must be signed in to change notification settings - Fork 10
/
refinement.f90
2390 lines (2359 loc) · 95.9 KB
/
refinement.f90
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
module refinement
!
use accuracy
use timer
use functions,only : define_sub_terms_complex_analytic_field
use diatom_module,only : verbose,fitting,Nobjects,Nestates,Nspinorbits,&
Ntotalfields,fieldT,poten,spinorbit,l2,lxly,NL2,NLxLy,Nbobrot,Ndiabatic,Nlambdaopq,&
Nlambdap2q,Nlambdaq,Nnac,&
grid,duo_j0,quantaT,fieldmap,Nabi,abinitio,quadrupoletm, &
action,spinspin,spinspino,spinrot,bobrot,diabatic,lambdaopq,lambdap2q,lambdaq,nac,linkT,vmax,&
l_omega_obj,s_omega_obj,rangeT
!
!
implicit none
!
private
!
real(rk) :: stab_best=1e-12 ! best standard error and stability
integer(ik) :: maxiter_as = 3 ! maximal number of iterations to find a match for assignement
integer(ik) :: Nobjectmax = 14
integer(ik) :: vmax_ = 100 ! if vmax in input is undefined vmax_ will be used to predife size
! ! of the matrix with energies
!
real(rk), allocatable,save :: Jval(:)
integer(ik),allocatable,save :: Jindex(:)
!integer(ik) ::vmax = 100
!
type fit_indexT
integer(ik) :: i
integer(ik) :: iobject
integer(ik) :: iterm
integer(ik) :: ifield
end type fit_indexT
!
type object_containerT
type(fieldT), pointer :: field
end type object_containerT
!
public sf_fitting,define_jlist
!
!
contains
!
subroutine sf_fitting
!
integer(ik) :: npts,en_npts,pot_npts,nused ! number of data points: current, all obs. energies,
! all pot. points, and actually used.
integer(ik) :: parmax ! total number of potential parameters
real(rk) :: jrot,jrot_ ! current value of the rotational quantum number
integer(ik) :: lwork,fititer
integer :: info, ierror ! error state variables
real(rk) :: wtsum, lock_factor
real(rk),allocatable :: wt_bit(:),wtall(:) ! weight factors - only for the energies and total.
real(rk),allocatable :: rjacob(:,:),eps(:),energy_(:,:,:),enercalc(:)
real(rk),allocatable :: local(:,:),pot_values(:),wspace(:),Tsing(:)
real(rk),allocatable :: al(:,:),bl(:),dx(:),ai(:,:),sterr(:),sigma(:),bi(:),solution(:)
real(rk),allocatable :: am(:,:),bm(:)
character(len=cl),allocatable :: nampar(:) ! parameter names
real(ark),allocatable :: pot_terms(:)
!
integer(ik),allocatable :: ivar(:),ifitparam(:),iZPE(:),nenergies(:,:),nenergies_(:,:)
!
logical :: still_run,do_deriv,deriv_recalc,do_Armijo,do_print
real(rk) :: stadev_old,stability,stadev,sum_sterr,conf_int
real(rk) :: ssq,rms,ssq1,ssq2,rms1,rms2,fit_factor
real(rk) :: a_wats = 1.0_rk,lambda = 0.01_rk,nu = 10.0_rk
integer(ik) :: i,numpar,itmax,j,jlistmax,rank,ncol,nroots,nroots_max
integer(ik) :: iener,jener,irow,icolumn,ndigits,nrot,irot,irot_
integer(ik) :: enunit,abinitunit,i0,i1,iter_th,k0,frequnit
integer(ik) :: nlevels,NArmijo,ialpha_Armijo
real(rk) :: alpha_Armijo
character(len=cl) :: filename, ioname
character(len=330) :: char_fmt
!
real(rk),allocatable :: deriv(:,:,:,:) ! to store the calculated derivatives
real(rk),allocatable :: r(:),ezero(:)
real(rk),allocatable :: potparam(:)
character(len=1),allocatable :: mark(:)
character(len=1),parameter :: pm(1:2) = (/"+","-"/)
character(len=1) :: mark_
character(len=3) :: mark_f
character(len=3) :: iTAG,iTAGC,iTAG_,iTAGC_
!
integer(ik) :: ifield,jfield,ifield_,iobject,Nfields,iterm,ifitpar,istate,ilambda,ivib,istate_,ilambda_,ivib_,ngrid,Nterms
integer(ik) :: maxNfields,ipotmin,i_,nchar,k,k_
real(rk) :: JrotC,sigmaC,omegaC,spinC,JrotC_,sigmaC_,omegaC_,spinC_,rms0
integer(ik) :: istateC,istateC_,ilambdaC,ilambdaC_,ivibC,ivibC_,itau,itau_,itauC,itauC_
!
real(rk) :: param_t,delta,sigmai,omega,spin,sigmai_,omega_,spin_,f,fR,fL,r_t,req,fshift
type(fieldT),pointer :: field
type(linkT),pointer :: flink
type(rangeT),pointer :: frange
real(rk),allocatable :: EnergyR(:,:,:),EnergyL(:,:,:),params_t(:)
type(quantaT),allocatable :: calc(:,:,:),calc_(:,:,:)
type(fit_indexT),allocatable :: fit_index(:)
type(object_containerT), allocatable :: objects(:,:)
type(fieldT),allocatable :: object0(:,:)
character(len=130) :: my_fmt ! contains format specification for intput/output
logical :: printed ! used to print frequencies
real(rk),allocatable :: spline_wk_vec(:) ! working vector needed for spline interpolation
real(rk) :: yp1, ypn
!
if (verbose>=2) write(out,"(/'The least-squares fitting ...')")
!
! Nobjectmax = Nobjects - 3
Nobjectmax = 14
!
call TimerStart('Simultaneous Fitting')
!
en_npts = fitting%Nenergies
!
ngrid = grid%npoints
!
filename = trim(fitting%output_file)//'.en'
write(ioname, '(a, i4)') 'calc. energies from the fit '
call IOstart(trim(ioname), enunit)
open(unit = enunit, action = 'write',status='replace' , file = filename)
!
! file (temp) where all computed potential energy corrections are printed out
!
filename = trim(fitting%output_file)//'.pot'
write(ioname, '(a, i4)') 'pot. energies at the ab initio geometries'
call IOstart(trim(ioname), abinitunit)
open(unit = abinitunit, action = 'write',status='replace' , file = filename)
!
if (action%frequency) then
!
filename = trim(fitting%output_file)//'.freq'
write(ioname, '(a, i4)') 'calc. frequencies from the fit '
call IOstart(trim(ioname), frequnit)
open(unit = frequnit, action = 'write',status='replace' , file = filename)
!
endif
!
pot_npts = 0
!
! count all grid points
!
j = 0
do ifield = 1,Nabi !Ntotalfields
!
field => abinitio(ifield)
!
do i = 1,field%Nterms
j = j + 1
enddo
enddo
!
pot_npts = j
!
write(out,"(/'Number of obs. energies: ',i9)") en_npts
write(out,"(/'Number of potential energy data points: ',i9)") pot_npts
!
npts = en_npts + pot_npts
!
allocate (r(pot_npts),stat=info)
call ArrayStart('coords-mat',info,size(local),kind(local))
!
! count all parameters used to define different fields
!
parmax = fitting%parmax
!
itmax = fitting%itermax
!
fit_factor = fitting%factor
!
jlistmax = size(Jval)
!
allocate (mark(en_npts),stat=info)
allocate (wtall(npts),stat=info)
call ArrayStart('weight-mat',info,size(wtall),kind(wtall))
allocate (wt_bit(npts),stat=info)
call ArrayStart('weight-mat',info,size(wt_bit),kind(wt_bit))
!
allocate (potparam(parmax),nampar(parmax),ivar(parmax),ifitparam(parmax),&
al(parmax,parmax),ai(parmax,parmax),bl(parmax),bi(parmax),dx(parmax),sterr(parmax),&
Tsing(parmax),pot_terms(parmax),fit_index(parmax),solution(parmax),stat=info)
call ArrayStart('potparam-mat',info,size(potparam),kind(potparam))
call ArrayStart('potparam-mat',info,size(ivar),kind(ivar))
call ArrayStart('potparam-dx',info,size(dx),kind(dx))
call ArrayStart('potparam-sterr',info,size(sterr),kind(sterr))
call ArrayStart('potparam-Tsing',info,size(Tsing),kind(Tsing))
call ArrayStart('a-b-mat',info,size(al),kind(al))
call ArrayStart('a-b-mat',info,size(bl),kind(bl))
call ArrayStart('pot_terms',info,size(pot_terms),kind(pot_terms))
!
allocate (am(parmax,parmax),bm(parmax),stat=info)
call ArrayStart('a-b-mat',info,size(am),kind(am))
call ArrayStart('a-b-mat',info,size(bm),kind(bm))
!
allocate (pot_values(pot_npts),stat=info)
call ArrayStart('pot_values-mat',info,size(pot_values),kind(pot_values))
!
! rough estimation of the total number of energies
!
allocate (enercalc(en_npts),stat=info)
call ArrayStart('enercalc',info,size(enercalc),kind(enercalc))
allocate (ezero(Nestates),iZPE(Nestates),stat=info)
call ArrayStart('ezero',info,size(ezero),kind(ezero))
call ArrayStart('iZPE',info,size(iZPE),kind(iZPE))
!
! total number of jval-ues
nrot = size(fitting%J_list)
!
! arrays to count and store energies within each J block
allocate(nenergies(nrot,2),nenergies_(nrot,2),stat=info)
call ArrayStart("nenergies",info,size(nenergies),kind(nenergies))
!
! estimate maximal number of energies for each J
!
Nfields = fieldmap(1)%Nfields
!
sigmai = 0
ilambda = 0
do ifield =1,Nfields
!
sigmai = max(poten(ifield)%spini,sigmai)
ilambda = max(poten(ifield)%lambda,ilambda)
!
enddo
!
! maximal value of omega is
omega = sigmai+real(ilambda)
!
! we estimate the size of the basis as the product of (vmax+1) for vibration,
! (2*sigma+1)x2 for spin-rotation, Nestates for electronic
! all divided by two to account for two symmetry blocks
!
if (vmax>0) vmax_ = vmax
!
nroots_max = (vmax_+1)*Nestates*2*(2*nint(sigmai)+1)/2+1
allocate (energy_(nrot,2,nroots_max),calc(nrot,2,nroots_max),stat=info)
call ArrayStart('energy_',info,size(energy_),kind(energy_))
!
! Allocate objects, that will be used for the fitting procedure:
!
allocate (rjacob(npts,parmax),eps(npts),deriv(nrot,2,nroots_max,parmax),stat=info)
call ArrayStart('rjacob',info,size(rjacob),kind(rjacob))
call ArrayStart('eps',info,size(eps),kind(eps))
call ArrayStart('fit-ener-deriv',info,size(deriv),kind(deriv))
!
allocate (params_t(parmax),stat=info)
call ArrayStart('params_t',info,size(params_t),kind(params_t))
!
if (fitting%robust>small_) then
!
allocate (sigma(npts),stat=info)
call ArrayStart('sigma',info,size(sigma),kind(sigma))
!
endif
!
! The last object to allocate - the lapack related work array
!
lwork = 50*parmax
!
allocate (wspace(lwork),stat=info)
call ArrayStart('wspace',info,size(wspace),kind(wspace))
!
wtall = 0
!
if (verbose>=2) write (out,"('...done!')")
!
forall(i=1:en_npts) wtall(i) = fitting%obs(i)%weight
wtsum = sum(fitting%obs(1:en_npts)%weight) ; wtsum = max(wtsum,sqrt(small_))
wtall(1:en_npts) = wtall(1:en_npts)/max(wtsum,sqrt(small_))
!
! weights for the ab initio fields
!
!j = 0
!do ifield =1,Nabi
! !
! field => abinitio(ifield)
! do i=1,field%Nterms
! j = j + 1
! r(j) = field%grid(i)
! wtall(en_npts+j) = field%weight(i)
! enddo
! !
! ! normalize weights for each field separately
! !
! wtsum = sum(wtall(en_npts+j-field%Nterms+1:en_npts+j))
! wtall(en_npts+j-field%Nterms+1:en_npts+j) = &
! field%fit_factor*wtall(en_npts+j-field%Nterms+1:en_npts+j)/max(wtsum,sqrt(small_))
! !
!enddo
!
!wtsum = sum(wtall(en_npts+1:npts))
!wtall(en_npts+1:npts) = wtall(en_npts+1:npts)/max(wtsum,sqrt(small_))
!
! assigning mark with null
!
mark(:) = ' '
!
! The fitting loop is about to start.
!
! fititer will count the iterations.
!
fititer = 0
!
nlevels = fitting%Nenergies
!
! find the maximal size of fields
!
maxNfields = 1
do iobject =1,Nobjectmax
maxNfields = max(fieldmap(iobject)%Nfields,maxNfields)
enddo
!
allocate(objects(Nobjectmax,maxNfields),stat=info)
allocate(object0(Nobjectmax,maxNfields),stat=info)
!
! find eqilibrium
!
ipotmin = minloc(poten(1)%gridvalue,dim=1) ; req = grid%r(ipotmin)
!
ifield_ = 0
j = 0
!
do iobject =1,Nobjectmax
!
Nfields = fieldmap(iobject)%Nfields
!
do ifield =1,Nfields
!
select case (iobject)
case (1)
objects(iobject,ifield)%field => poten(ifield)
case (2)
objects(iobject,ifield)%field => spinorbit(ifield)
case (3)
objects(iobject,ifield)%field => l2(ifield)
case (4)
objects(iobject,ifield)%field => lxly(ifield)
case (5)
objects(iobject,ifield)%field => spinspin(ifield)
case (6)
objects(iobject,ifield)%field => spinspino(ifield)
case (7)
objects(iobject,ifield)%field => bobrot(ifield)
case (8)
objects(iobject,ifield)%field => spinrot(ifield)
case (9)
objects(iobject,ifield)%field => diabatic(ifield)
case (10)
objects(iobject,ifield)%field => lambdaopq(ifield)
case (11)
objects(iobject,ifield)%field => lambdap2q(ifield)
case (12)
objects(iobject,ifield)%field => lambdaq(ifield)
case (13)
objects(iobject,ifield)%field => nac(ifield)
case (14)
objects(iobject,ifield)%field => quadrupoletm(ifield)
end select
!
Nterms = objects(iobject,ifield)%field%Nterms
allocate(object0(iobject,ifield)%value(Nterms))
call ArrayStart("object0",info,Nterms,kind(object0(iobject,ifield)%value))
!
object0(iobject,ifield)%value = objects(iobject,ifield)%field%value
!
! what is the number of the parent field in the abinitio counter?
!
ifield_ = objects(iobject,ifield)%field%iabi
!
if (ifield_==0) cycle
!
! change to the equilibrium
!
if (abinitio(ifield_)%Nterms==1) then
!
abinitio(ifield_)%grid(1) = req
!
!f = fanalytic_field(req,objects(iobject,ifield)%field%type,objects(iobject,ifield)%field%value)
!
abinitio(ifield_)%gridvalue(1) = objects(iobject,ifield)%field%gridvalue(ipotmin)
!
endif
!
! weights for the ab initio fields
!
do i = 1,abinitio(ifield_)%Nterms
!
j = j + 1
!r(j) = field%grid(i)
r(j)= abinitio(ifield_)%grid(1)
!wtall(en_npts+j) = field%weight(i)
wtall(en_npts+j) = abinitio(ifield_)%weight(i)
enddo
!
wtsum = sum(wtall(en_npts+j-field%Nterms+1:en_npts+j))
wtall(en_npts+j-abinitio(ifield_)%Nterms+1:en_npts+j) = &
abinitio(ifield_)%fit_factor*wtall(en_npts+j-abinitio(ifield_)%Nterms+1:en_npts+j)/max(wtsum,sqrt(small_))
!
enddo
enddo
!
! 2. Factorizing the obs. weights by the factor "fit_factor":
!
wtall(1:en_npts) = wtall(1:en_npts)*fitting%factor
!
! 3. And normilizing all weight factors.
!
wtsum = sum(wtall(1:npts))
wtall(1:npts) = wtall(1:npts)/max(wtsum,sqrt(small_))
!
! Count how many data points actually will be fitted.
!
nused=0
wt_bit = 0
!
do i=1,npts
if (wtall(i)>small_) then
!
nused=nused+1
wt_bit(i) = 1.0_rk
!
endif
enddo
!
write(out,"('Number of data points used in the fit: ',i9)") nused
!
! sigma = exp. data precision for robust fit
!
if (fitting%robust>small_) then
!
sigma = 1.0_rk
!
!$omp parallel do private(i) shared(sigma) schedule(dynamic)
do i=1,npts
if (wtall(i)>small_) sigma(i) = sigma(i)/sqrt(wtall(i))
enddo
!$omp end parallel do
!
wtsum = 1.0_rk ! sqrt(sum(sigma(1:en_npts)**2))
!
sigma(:) = sigma(:)*fitting%robust/wtsum
!
endif
!
! For "frequencies" reconstruct energies by combine differences
!
if (action%frequency) then
!
! TODO
!
do iener = 1,en_npts
!
jrot = fitting%obs(iener)%jrot
itau = fitting%obs(iener)%iparity+1
!
jrot_= fitting%obs(iener)%jrot_
itau_= fitting%obs(iener)%iparity_+1
!
enddo
!
endif
!
!
! The outer fitting loop - allows to restart the fitting in case
! we decide to remove some of the varying parameters.
! This option is working together with fit_type ='linur'
!
still_run = .true.
outer_loop: do while (still_run)
!
! Initial values for the standard error and stability.
!
stadev_old = 1e10
stability = 1e10
stadev = 1e10
!
! relation between the fitting parameters and the corresponding parameter in each field
!
numpar = 0
ifield_ = 0
j = 0
!
do iobject =1,Nobjectmax
!
Nfields = fieldmap(iobject)%Nfields
!
do ifield =1,Nfields
!
do iterm=1,objects(iobject,ifield)%field%Nterms
!
j = j + 1
!
if (nint(objects(iobject,ifield)%field%weight(iterm)).eq.1) then
!
numpar=numpar+1
!
fit_index(numpar)%i = j
fit_index(numpar)%iobject = iobject
fit_index(numpar)%ifield = ifield
fit_index(numpar)%iterm = iterm
!
endif
!
enddo
!
enddo
enddo
!
if (numpar==0.and.itmax/=0) then
!
write (out,"('No varying paramters, check input!')")
stop ! 'sf_fitting: No varying paramters'
!
endif
!
rjacob = 0
!
! NArmijo iterations for linear search
do_Armijo = .false.
if (fitting%linear_search>0) do_Armijo = .true.
NArmijo = fitting%linear_search
rms0 = 0
ialpha_Armijo = 0
!
do_print = .true.
!
! printing out format
!
if (action%frequency) then
char_fmt = "(/1X,250('-'),/'| ## | N | J p | N | J p | Obs. | Calc. &
&| Obs.-Calc. | Weight | Eup | Elow | State vib Lambda Sigma Omega State vib Lambda Sigma &
&Omega State vib Lambda Sigma Omega State vib Lambda Sigma Omega',/1X,250('-'))"
else
char_fmt = "(/1X,145('-'),/'| ## | N | J p | Obs. | Calc. | Obs.-Calc. | &
& Weight | States vib Lambda Sigma Omega States vib Lambda Sigma &
& Omega ',/1X,145('-'))"
endif
!
! The loop starts here.
!
loop_fititer : do while( fititer.le.itmax .and. stadev.ge.fitting%target_rms.and. stability.ge.stab_best)
!
fititer = fititer + 1
!
! If fit_factor is set zero - there would be no fit to the experimental energies.
!
if (fit_factor<0) rjacob(1:en_npts,:) = 0
!
!if (do_print) write(out,"(/'Iteration = ',i8)") fititer-1
if (do_print) write(enunit,"(/'Iteration = ',i8)") fititer-1
if (action%frequency.and.do_print) write(frequnit,"(/'Iteration = ',i8)") fititer-1
if (do_print.and.fititer-1==0) write(out,"(/a)") &
'Iteration = 0: Straight through calculations with initial parameters...'
if (do_print.and.fititer-1==0.and.itmax>0) write(out,"(/a)") 'Generating derivatives for the least-squares fit...'
!
! Reconstruct the potential expansion from the local to linearized coords.
!
pot_terms = potparam
!
eps = 0
!
! Print out the calc. and obs.-calc., i.e. result of the fit.
! Only fitted energies are printed.
!
if (do_print) write(out ,char_fmt)
if (do_print) write(enunit,"(/1X,145('-'),/'| ## | N | J p | Obs. | Calc. | Obs.-Calc. | &
& Weight | States vib Lambda Sigma Omega States vib Lambda Sigma &
& Omega ',/1X,145('-'))")
!
deriv_recalc = .true.
!
! some parameters are linked in the fitting:
!
call update_linked_parameters
!
! first compute energies
!
call TimerStart('Energy calculations')
!
call duo_j0(0_ik,fitting%J_list,energy_,calc,nenergies)
!
if (maxval(nenergies)>nroots_max) then
!
write(out,"('refinement: vmax_ is too small ',i0,' nroots_max = ',i0,' nenergies ',i0)") vmax_,nroots_max, &
maxval(nenergies)
stop 'refinement: vmax_ is too small'
!
endif
!
call TimerStop('Energy calculations')
!
! compute derivatives
!
call TimerStart('Energy derivatives')
!
! Check we if we need to computed the derivatives
!
do_deriv = .false.
if (itmax.ge.1.and.fit_factor>0) do_deriv = .true.
!
do_print = .true.
! Switch off derivatives for linear search (Armijo) iteration > 0
if (do_Armijo.and.ialpha_Armijo/=0) then
do_deriv = .false.
do_print = .false.
endif
!
if (do_deriv) then
!
deriv = 0
!
nroots = 0
do itau = 1,2
!
nroots = max(nroots,maxval(nenergies(:,itau),dim=1))
!
!do irot = 1,nrot
! nenergies(irot,itau) = min(size(nenergies,dim=3))
!enddo
!
enddo
!
allocate (calc_(nrot,2,nroots),stat=info)
allocate(energyR(nrot,2,nroots),energyL(nrot,2,nroots),stat=info)
call ArrayStart('EnergyLR',info,size(EnergyL),kind(EnergyL))
call ArrayStart('EnergyLR',info,size(EnergyR),kind(EnergyR))
!
do ifitpar = 1,numpar
!
i = fit_index(ifitpar)%i
iobject = fit_index(ifitpar)%iobject
ifield = fit_index(ifitpar)%ifield
iterm = fit_index(ifitpar)%iterm
!
param_t = objects(iobject,ifield)%field%value(iterm)
!
delta = 1e-4*abs(param_t)
!
if (delta < small_) delta = sqrt(small_)*10.0
!
objects(iobject,ifield)%field%value(iterm) = param_t + delta
!
call update_linked_parameters
!
call duo_j0(0,fitting%J_list,EnergyR,calc_,nenergies_)
!
objects(iobject,ifield)%field%value(iterm) = param_t - delta
!
call update_linked_parameters
!
call duo_j0(0,fitting%J_list,EnergyL,calc_,nenergies_)
!
!omp parallel do private(irot,nroots) shared(deriv) schedule(dynamic)
do irot = 1,nrot
!
do itau = 1,2
!
nroots = min(nenergies_(irot,itau),nenergies(irot,itau))
!
deriv(irot,itau,1:nroots,ifitpar) = (EnergyR(irot,itau,1:nroots)-EnergyL(irot,itau,1:nroots))/(2.0_rk*delta)
!
enddo
!
enddo
!omp end parallel do
!
objects(iobject,ifield)%field%value(iterm) = param_t
!
call update_linked_parameters
!
enddo
!
deallocate(energyR,energyL,calc_)
call ArrayStop('EnergyLR')
!
endif
!
! Nentries
!
call TimerStop('Energy derivatives')
!
! Zero point energy:
! obtain the lowest J=0 energies (ZPEs) for each electronic state (if possible)
!
ezero = fitting%zpe
if (fitting%shift_to_zpe) then
ezero = energy_(1,1,1)
if (energy_(1,2,1)<ezero(1).and.nenergies(1,2)>0) ezero = energy_(1,2,1)
endif
!
! find the lowest root for each electronic state - will be used as a corresponding ZPE
!
loop_istates : do istate =1,Nestates
!
do i = 1,nenergies(1,1)
!
if (istate == calc(1,1,i)%istate.and.nint(2.0*calc(1,1,i)%Jrot)==nint(2.0*fitting%J_list(1))) then
!
ezero(istate) = fitting%zpe
if (fitting%shift_to_zpe) then
ezero(istate) = energy_(1,1,i)
if (energy_(1,2,i)<ezero(istate).and.nenergies(1,2)>0) ezero(istate) = energy_(1,2,i)
endif
!
iZPE(istate) = i
!
cycle loop_istates
!
endif
!
enddo
enddo loop_istates
!
! if threshold_lock>0, correct the addresses of the energies in case of accidential swaps
! by comparing with energies within the "threshold_lock"-range and with "exp" quantum numbers.
! if threshold_lock<0, find closets matches with experimental energies
! if threshold_lock=0, do nothing
!
mark = " "
!
if (action%frequency) then
!
! check swaps
!
if (abs(fitting%threshold_lock)>0) then
!
! upper state
!
!k0 = 1
!
if (fitting%threshold_lock<0) maxiter_as = 1
!
jrot = fitting%obs(1)%jrot
itau = fitting%obs(1)%iparity+1
!
jrot_ = fitting%obs(1)%jrot_
itau_ = fitting%obs(1)%iparity_+1
!
do iener = 1,en_npts
!
mark(iener) = '*'
!
!if (jrot /=fitting%obs(iener)%jrot .or.itau /= fitting%obs(iener)%iparity +1.or.&
! jrot_/=fitting%obs(iener)%jrot_.or.itau_ /= fitting%obs(iener)%iparity_+1) k0 = 1
!
jrot = fitting%obs(iener)%jrot
itau = fitting%obs(iener)%iparity+1
!
jrot_= fitting%obs(iener)%jrot_
itau_= fitting%obs(iener)%iparity_+1
!
loop_thresh_u : do iter_th = 1,maxiter_as
!
!if (iter_th == 0) cycle
!
lock_factor = real(iter_th,8)
!if (iter_th<) lock_factor = 10**iter_th
!
!lock_factor = 10.0**iter_th
!
loop_jrot_u : do irot = 1,nrot
!
jrotC = fitting%J_list(irot)
!
if (nint( jrotC-fitting%obs(iener)%jrot )/=0) cycle
!
loop_jrot_l : do irot_ = 1,nrot
!
jrotC_ = fitting%J_list(irot_)
!
if (nint( jrotC_-fitting%obs(iener)%jrot_ )/=0) cycle
!
do itauC = 1,2
!
if (itauC-1/=fitting%obs(iener)%iparity) cycle
!
do itauC_ = 1,2
!
if (itauC_-1/=fitting%obs(iener)%iparity_) cycle
!
loop_i : do i0 = 1,nenergies(irot,itauC)
!
loop_j : do i1 = 1,nenergies(irot_,itauC_)
!
if (energy_(irot,itauC,i0)-energy_(irot_,itauC_,i1)<0) cycle
!
!do jener = max(iener-10,1),iener-1
! !
! if (nint(jrotC -fitting%obs(jener)%jrot )/=0.or.itauC -1/=fitting%obs(jener)%iparity.or.&
! nint(jrotC_-fitting%obs(jener)%jrot_)/=0.or.itauC_-1/=fitting%obs(jener)%iparity_) cycle
! !
! if ( fitting%obs(jener)%N_ == i1.and.fitting%obs(jener)%N == i0 ) cycle loop_j
! !
!enddo
!
if ( abs( fitting%obs(iener)%energy-( energy_(irot,itauC,i0)-energy_(irot_,itauC_,i1) ) )<= &
& lock_factor*abs(fitting%threshold_lock).and.&
! threshold_lock > 0, search for a QN match
( ( calc(irot,itauC,i0)%istate==fitting%obs(iener)%quanta%istate.and.&
abs(calc(irot,itauC,i0)%ilambda)==abs(fitting%obs(iener)%quanta%ilambda).and.&
calc(irot,itauC,i0)%v==fitting%obs(iener)%quanta%v.and.&
nint(abs(calc(irot,itauC,i0)%sigma)-abs(fitting%obs(iener)%quanta%sigma) )==0.and.&
nint(abs(calc(irot,itauC,i0)%omega)-abs(fitting%obs(iener)%quanta%omega) )==0.and.&
!
calc(irot_,itauC_,i1)%istate==fitting%obs(iener)%quanta_%istate.and.&
abs(calc(irot_,itauC_,i1)%ilambda)==abs(fitting%obs(iener)%quanta_%ilambda).and.&
calc(irot_,itauC_,i1)%v==fitting%obs(iener)%quanta_%v.and.&
nint(abs(calc(irot_,itauC_,i1)%sigma)-abs(fitting%obs(iener)%quanta_%sigma))==0 .and.&
nint(abs(calc(irot_,itauC_,i1)%omega)-abs(fitting%obs(iener)%quanta_%omega))==0 ).or.&
! threshold_lock < 0, only frequency match
( fitting%threshold_lock<0 ) ) ) then
!
fitting%obs(iener)%N = i0
fitting%obs(iener)%N_= i1
mark(iener) = ' '
exit loop_thresh_u
!
endif
!
enddo loop_j
!
enddo loop_i
!
enddo
!
enddo
!
enddo loop_jrot_l
!
enddo loop_jrot_u
!
enddo loop_thresh_u
!
!if (mark(iener) == ' ') k0 = max(fitting%obs(iener)%N-10,1)
!
enddo
!
endif
!
!
! frequency fit
!
do iener = 1,en_npts
!
Jrot = fitting%obs(iener)%Jrot
irot = fitting%obs(iener)%irot
istate = fitting%obs(iener)%quanta%istate
sigmai = fitting%obs(iener)%quanta%sigma
ilambda = fitting%obs(iener)%quanta%ilambda
omega = sigmai + real(ilambda,rk)
spin = fitting%obs(iener)%quanta%spin
ivib = fitting%obs(iener)%quanta%v
iTAG = fitting%obs(iener)%quanta%iTAG(1:3)
!
Jrot_ = fitting%obs(iener)%Jrot_
irot_ = fitting%obs(iener)%irot_
istate_ = fitting%obs(iener)%quanta_%istate
sigmai_ = fitting%obs(iener)%quanta_%sigma
ilambda_= fitting%obs(iener)%quanta_%ilambda
omega_ = fitting%obs(iener)%quanta_%omega
spin_ = fitting%obs(iener)%quanta_%spin
ivib_ = fitting%obs(iener)%quanta_%v
iTAG_ = fitting%obs(iener)%quanta_%iTAG(1:3)
!
itau = fitting%obs(iener)%iparity +1 ; if (itau <1.or.itau >2) cycle
itau_ = fitting%obs(iener)%iparity_+1 ; if (itau_<1.or.itau_>2) cycle
!
i = fitting%obs(iener)%N ; if (i >nenergies(irot ,itau )) cycle
i_ = fitting%obs(iener)%N_; if (i_>nenergies(irot_,itau_)) cycle
!
enercalc(iener) = energy_(irot,itau,i)-energy_(irot_,itau_,i_)
!
eps(iener) = fitting%obs(iener)%energy-enercalc(iener)
!
if (do_deriv) then
rjacob(iener,1:numpar) = deriv(irot,itau,i ,1:numpar) - deriv(irot_,itau_,i_,1:numpar)
endif
!
if (do_print) then
!
JrotC = calc(irot,itau,i)%Jrot
istateC = calc(irot,itau,i)%istate
sigmaC = calc(irot,itau,i)%sigma
ilambdaC = calc(irot,itau,i)%ilambda
omegaC = sigmaC+real(ilambdaC,rk)
spinC = calc(irot,itau,i)%spin
ivibC = calc(irot,itau,i)%v
iTAGC = calc(irot,itau,i)%iTAG(1:3)
!
JrotC_ = calc(irot_,itau_,i_)%Jrot
istateC_ = calc(irot_,itau_,i_)%istate
sigmaC_ = calc(irot_,itau_,i_)%sigma
ilambdaC_= calc(irot_,itau_,i_)%ilambda
omegaC_ = sigmaC_+real(ilambdaC_,rk)
spinC_ = calc(irot_,itau_,i_)%spin
ivibC_ = calc(irot_,itau_,i_)%v
iTAGC_ = calc(irot_,itau_,i_)%iTAG(1:3)
write (out,"(i5,2(i5,1x,f7.1,1x,a1),2x,' ',3f14.4,2x,e9.2,2x,2f14.4,2x," &
// " '(',1x,a3,1x,2i4,2f7.1,', <-',1x,a3,1x,2i4,2f7.1,')', " &
// " '(',1x,a3,1x,2i4,2f7.1,', <-',1x,a3,1x,2i4,2f7.1,')',a)") &
iener,i,Jrot,pm(itau),i_,Jrot_,pm(itau_),enercalc(iener)+eps(iener),enercalc(iener),eps(iener),&
wtall(iener),energy_(irot,itau,i)-ezero(1),energy_(irot_,itau_,i_)-ezero(1),&
iTAGC,ivibC,ilambdaC,sigmaC,omegaC,iTAGC_,ivibC_,ilambdaC_,sigmaC_,omegaC_,&
iTAG ,ivib ,ilambda ,sigmai,omega ,iTAG_ ,ivib_ ,ilambda_ ,sigmai_,omega_ ,&
mark(iener)
endif
!
enddo ! --- i
!
! print more frequencies in order to predict mis-assignements
!
if (do_print) then
!
do iener = 1,en_npts
!
Jrot = fitting%obs(iener)%Jrot
irot = fitting%obs(iener)%irot
istate = fitting%obs(iener)%quanta%istate
sigmai = fitting%obs(iener)%quanta%sigma
ilambda = fitting%obs(iener)%quanta%ilambda
omega = fitting%obs(iener)%quanta%omega
spin = fitting%obs(iener)%quanta%spin
ivib = fitting%obs(iener)%quanta%v
iTAG = fitting%obs(iener)%quanta%iTAG(1:3)
!
Jrot_ = fitting%obs(iener)%Jrot_
irot_ = fitting%obs(iener)%irot_
istate_ = fitting%obs(iener)%quanta_%istate
sigmai_ = fitting%obs(iener)%quanta_%sigma
ilambda_= fitting%obs(iener)%quanta_%ilambda
omega_ = fitting%obs(iener)%quanta_%omega
spin_ = fitting%obs(iener)%quanta_%spin
ivib_ = fitting%obs(iener)%quanta_%v
iTAG_ = fitting%obs(iener)%quanta_%iTAG(1:3)
!
itau = fitting%obs(iener)%iparity +1 ; if (itau <1.or.itau >2) cycle
itau_ = fitting%obs(iener)%iparity_+1 ; if (itau_<1.or.itau_>2) cycle
!
i = fitting%obs(iener)%N ; if (i >nenergies(irot ,itau )) cycle
i_ = fitting%obs(iener)%N_; if (i_>nenergies(irot_,itau_)) cycle
!
! compare with theoretical frequencies around the main transition
!
mark_ = ' '
!
do k = max(i-5,1),min(i+5,nenergies(irot,itau))
!
do k_ = max(i_-3,1),min(i_+3,nenergies(irot_,itau_))
!
if (abs(fitting%obs(iener)%energy-(energy_(irot,itau,k)-energy_(irot_,itau_,k_)))&
>real(maxiter_as,rk)*abs(fitting%threshold_lock)) cycle
!
if (i/=k.or.i_/=k_) mark_ = '*'
!
JrotC = calc(irot,itau,k)%Jrot
istateC = calc(irot,itau,k)%istate
sigmaC = calc(irot,itau,k)%sigma
ilambdaC = calc(irot,itau,k)%ilambda
omegaC = sigmaC+real(ilambdaC,rk)
spinC = calc(irot,itau,k)%spin
ivibC = calc(irot,itau,k)%v
iTAGC = calc(irot,itau,i)%iTAG(1:3)
!
JrotC_ = calc(irot_,itau_,k_)%Jrot
istateC_ = calc(irot_,itau_,k_)%istate
sigmaC_ = calc(irot_,itau_,k_)%sigma
ilambdaC_= calc(irot_,itau_,k_)%ilambda
omegaC_ = sigmaC_+real(ilambdaC_,rk)
spinC_ = calc(irot_,itau_,k_)%spin
ivibC_ = calc(irot_,itau_,k_)%v
iTAGC_ = calc(irot_,itau_,i_)%iTAG
!
write (frequnit,"(i5,2(i5,1x,f7.1,1x,a1),2x,' ',3f14.4,2x,e9.2,2x,2f14.4,2x,&
&'(',1x,a3,1x,2i4,2f7.1,' <-',1x,a3,1x,2i4,2f7.1,' )" &
// "(',1x,a3,1x,2i4,2f7.1,' <-',1x,a3,1x,2i4,2f7.1,' )',a)") &
iener,k,Jrot,pm(itau),k_,Jrot_,pm(itau_),&
fitting%obs(iener)%energy,energy_(irot,itau,k)-energy_(irot_,itau_,k_),&
fitting%obs(iener)%energy-(energy_(irot,itau,k)-energy_(irot_,itau_,k_)),&
wtall(iener),energy_(irot,itau,k)-ezero(1),energy_(irot_,itau_,k_)-ezero(1),&
iTAGC,ivibC,ilambdaC,sigmaC,omegaC,iTAGC_,ivibC_,ilambdaC_,sigmaC_,omegaC_,&
iTAG ,ivib ,ilambda ,sigmai,omega ,iTAG_,ivib_ ,ilambda_ ,sigmai_,omega_ ,&
mark_
enddo
!
enddo
!
enddo ! --- i
!
endif
!
! print all energies
!
if (do_print) then
!
do irot = 1,nrot
!
do itau=1,2
!
do i = 1,nenergies(irot,itau)
!
if (i==1.or.energy_(irot,itau,i)-ezero(1)>sqrt(small_)) then
!