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https://github.com/LCPQ/quantum_package
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321 lines
5.6 KiB
Fortran
321 lines
5.6 KiB
Fortran
program loc_rasorb
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implicit none
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BEGIN_DOC
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! This program performs a localization of the active orbitals
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! of a CASSCF wavefunction, reading the orbitals from a RASORB
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! file of molcas.
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! id1=max is the number of MO in a given symmetry.
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END_DOC
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integer id1
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parameter (id1=300)
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character*1 jobz,uplo
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character*64 file1,file2
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character*72 string(id1,8),cdum
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double precision :: cmo(id1,id1,1),cmoref(id1,id1,1),newcmo(id1,id1,1)
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double precision ::s(id1,id1,1),dum,ddum(id1,id1),ovl(id1,id1)
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double precision :: w(id1),work(3*id1),t(id1,id1),wi(id1,id1)
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integer n,i,j,k,l,nmo(8),isym,nsym,idum,nrot(8),irot(id1,8)
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integer ipiv(id1),info,lwork
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logical *1 z54
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print*,'passed the first copy'
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z54=.false.
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!Read the name of the RasOrb file
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print*,'Entering in the loc program'
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! read(5,*) z54
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print*,'before = '
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accu_norm = 0.d0
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do i =1,mo_tot_num
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accu_norm += dabs(mo_overlap(i,i))
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enddo
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print*,'accu_norm = ',accu_norm
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nsym = 1
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nmo(1) = mo_tot_num
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print*,'nmo(1) = ',nmo(1)
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cmo = 0.d0
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do isym=1,nsym
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do i=1,nmo(isym)
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do j = 1, ao_num
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cmo(j,i,isym) = mo_coef(j,i)
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enddo
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enddo
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enddo
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print*,'passed the first copy'
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do isym=1,nsym
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do j=1,mo_tot_num
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do i=1,ao_num
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newcmo(i,j,isym)=cmo(i,j,isym)
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enddo
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enddo
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enddo
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print*,'passed the copy'
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nrot(1) = 6 ! number of orbitals to be localized
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integer :: index_rot(1000,1)
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cmoref = 0.d0
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! Definition of the index of the MO to be rotated
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irot(1,1) = 20 ! the first mo to be rotated is the 19 th MO
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irot(2,1) = 21 ! the first mo to be rotated is the 20 th MO
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irot(3,1) = 22 ! etc....
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irot(4,1) = 23 !
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irot(5,1) = 24 !
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irot(6,1) = 25 !
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! you define the guess vectors that you want
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! the new MO to be close to
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! cmore(i,j,1) = < AO_i | guess_vector_MO(j) >
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! i goes from 1 to ao_num
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! j goes from 1 to nrot(1)
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! Here you must go to the GAMESS output file
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! where the AOs are listed and explicited
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! From the basis of this knowledge you can build your
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! own guess vectors for the MOs
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! The new MOs are provided in output
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! in the same order than the guess MOs
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cmoref(3,1,1) = 1.d0 !
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cmoref(12,1,1) = 1.d0 !
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cmoref(21,2,1) = 1.d0 !
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cmoref(30,2,1) = 1.d0 !
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cmoref(39,3,1) = 1.d0 !
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cmoref(48,3,1) = 1.d0 !
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cmoref(3,4,1) = 1.d0 !
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cmoref(12,4,1) =-1.d0 !
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cmoref(21,5,1) = 1.d0 !
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cmoref(30,5,1) =-1.d0 !
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cmoref(39,6,1) = 1.d0 !
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cmoref(48,6,1) =-1.d0 !
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print*,'passed the definition of the referent vectors '
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!Building the S (overlap) matrix in the AO basis.
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do isym=1,nsym
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if (nrot(isym).eq.0) cycle
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do i=1,ao_num
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s(i,i,isym)=1.d0
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do j=1,ao_num
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if (i.ne.j) s(i,j,isym)=0.d0
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ddum(i,j)=0.d0
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do k=1,nmo(isym)
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ddum(i,j)=ddum(i,j)+cmo(i,k,isym)*cmo(j,k,isym)
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enddo
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enddo
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enddo
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call dgesv(ao_num,ao_num,ddum,id1,ipiv,s(1,1,isym),id1,info)
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if (info.ne.0) then
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write (6,*) 'Something wrong in dgsev',isym
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stop
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endif
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enddo
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!Now big loop over symmetry
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do isym=1,nsym
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if (nrot(isym).eq.0) cycle
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write (6,*)
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write (6,*)
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write (6,*)
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write (6,*) 'WORKING ON SYMMETRY',isym
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write (6,*)
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!Compute the overlap matrix <ref|vec>
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! do i=1,nmo(isym)
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do i=1,ao_num
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do j=1,nrot(isym)
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ddum(i,j)=0.d0
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do k=1,ao_num
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ddum(i,j)=ddum(i,j)+s(i,k,isym)*cmo(k,irot(j,isym),isym)
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enddo
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enddo
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enddo
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do i=1,nrot(isym)
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do j=1,nrot(isym)
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ovl(i,j)=0.d0
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do k=1,ao_num
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! do k=1,mo_tot_num
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ovl(i,j)=ovl(i,j)+cmoref(k,i,isym)*ddum(k,j)
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enddo
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enddo
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enddo
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call maxovl(nrot(isym),nrot(isym),ovl,t,wi)
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do i=1,nrot(isym)
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do j=1,ao_num
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write (6,*) 'isym,',isym,nrot(isym),nmo(isym)
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newcmo(j,irot(i,isym),isym)=0.d0
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do k=1,nrot(isym)
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newcmo(j,irot(i,isym),isym)=newcmo(j,irot(i,isym),isym) + cmo(j,irot(k,isym),isym)*t(k,i)
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enddo
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enddo
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enddo
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! if(dabs(newcmo(3,19,1) - mo_coef(3,19)) .gt.1.d-10 )then
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! print*,'Something wrong bitch !!'
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! print*,'newcmo(3,19,1) = ',newcmo(3,19,1)
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! print*,'mo_coef(3,19) = ',mo_coef(3,19)
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! stop
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! endif
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enddo !big loop over symmetry
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10 format (4E20.12)
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! Now we copyt the newcmo into the mo_coef
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mo_coef = 0.d0
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do isym=1,nsym
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do i=1,nmo(isym)
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do j = 1, ao_num
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mo_coef(j,i) = newcmo(j,i,isym)
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enddo
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enddo
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enddo
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! if(dabs(newcmo(3,19,1) - mo_coef(3,19)) .gt.1.d-10 )then
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print*,'mo_coef(3,19)',mo_coef(3,19)
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pause
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! we say that it hase been touched, and valid and that everything that
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! depends on mo_coef must not be reprovided
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double precision :: accu_norm
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touch mo_coef
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print*,'after = '
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accu_norm = 0.d0
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do i =1,mo_tot_num
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accu_norm += dabs(mo_overlap(i,i))
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enddo
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print*,'accu_norm = ',accu_norm
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! We call the routine that saves mo_coef in the ezfio format
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call save_mos
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stop
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end
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