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DIIS stability

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This commit is contained in:
Anthony Scemama 2020-05-25 23:32:23 +02:00
parent 5803482a60
commit a460863632
1 changed files with 5 additions and 18 deletions
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15
src/scf_utils/roothaan_hall_scf.irp.f
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@ -277,7 +277,7 @@ END_DOC
return
endif
if (rcond < 1.d-10) then
if (rcond == 0.d-10) then
dim_DIIS = 0
return
endif
@ -287,19 +287,6 @@ END_DOC
X_vector_DIIS = C_vector_DIIS
call dgesv ( dim_DIIS+1 , 1, B_matrix_DIIS, size(B_matrix_DIIS,1), &
ipiv , X_vector_DIIS , size(X_vector_DIIS,1), info)
! call dsysvx('N','U',dim_DIIS+1,1, &
! B_matrix_DIIS,size(B_matrix_DIIS,1), &
! AF, size(AF,1), &
! ipiv, &
! C_vector_DIIS,size(C_vector_DIIS,1), &
! X_vector_DIIS,size(X_vector_DIIS,1), &
! rcond, &
! ferr, &
! berr, &
! scratch,size(scratch), &
! iwork, &
! info &
! )
deallocate(scratch,AF,iwork)