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Fix PETSc 3.23 SLEPc vector array access #230

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Merged
andrea-ferretti merged 1 commit into from
Jul 17, 2026
+12 −12
Merged

Fix PETSc 3.23 SLEPc vector array access #230

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24 changes: 12 additions & 12 deletions src/linear_algebra/MATRIX_slepc.F
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Original file line number Diff line number Diff line change
Expand Up @@ -376,12 +376,12 @@ subroutine MATRIX_slepc(M_slepc,n_eig,V_right,V_left,E_real,E_cmpl)
call VecScatterEnd(vs,xup,vout,INSERT_VALUES,SCATTER_FORWARD,ierr)
call VecScatterEnd(vs2,xdown,vout2,INSERT_VALUES,SCATTER_FORWARD,ierr)
!
call VecGetArrayReadF90(vout,xsr,ierr)
call VecGetArrayRead(vout,xsr,ierr)
V_right(1:Nsize/2, i_eig+1) = cmplx(xsr,kind=SP)
call VecRestoreArrayReadF90(vout,xsr,ierr)
call VecGetArrayReadF90(vout2,xsr,ierr)
call VecRestoreArrayRead(vout,xsr,ierr)
call VecGetArrayRead(vout2,xsr,ierr)
V_right(Nsize/2+1:Nsize, i_eig+1) = cmplx(xsr,kind=SP)
call VecRestoreArrayReadF90(vout2,xsr,ierr)
call VecRestoreArrayRead(vout2,xsr,ierr)
!
call VecRestoreSubVector(xr,is(1),xup,ierr)
call VecRestoreSubVector(xr,is(2),xdown,ierr)
Expand All @@ -396,12 +396,12 @@ subroutine MATRIX_slepc(M_slepc,n_eig,V_right,V_left,E_real,E_cmpl)
call VecScatterEnd(vs,xup,vout,INSERT_VALUES,SCATTER_FORWARD,ierr)
call VecScatterEnd(vs2,xdown,vout2,INSERT_VALUES,SCATTER_FORWARD,ierr)
!
call VecGetArrayReadF90(vout,xsr_left,ierr)
call VecGetArrayRead(vout,xsr_left,ierr)
V_left(1:Nsize/2, i_eig+1) = cmplx(xsr_left,kind=SP)
call VecRestoreArrayReadF90(vout,xsr_left,ierr)
call VecGetArrayReadF90(vout2,xsr_left,ierr)
call VecRestoreArrayRead(vout,xsr_left,ierr)
call VecGetArrayRead(vout2,xsr_left,ierr)
V_left(Nsize/2+1:Nsize, i_eig+1) = cmplx(xsr_left,kind=SP)
call VecRestoreArrayReadF90(vout2,xsr_left,ierr)
call VecRestoreArrayRead(vout2,xsr_left,ierr)
!
call VecRestoreSubVector(xr_left,is(1),xup,ierr)
call VecRestoreSubVector(xr_left,is(2),xdown,ierr)
Expand All @@ -412,21 +412,21 @@ subroutine MATRIX_slepc(M_slepc,n_eig,V_right,V_left,E_real,E_cmpl)
call VecScatterBegin(vs,xr,vout,INSERT_VALUES,SCATTER_FORWARD,ierr)
call VecScatterEnd(vs,xr,vout,INSERT_VALUES,SCATTER_FORWARD,ierr)
!
call VecGetArrayReadF90(vout,xsr,ierr)
call VecGetArrayRead(vout,xsr,ierr)
V_right(:, i_eig+1) = cmplx(xsr,kind=SP)
!if (BSS_slepc_double_grp) V_right(BS_K_dim(1)+1:,i_eig+1)=cI*V_right(BS_K_dim(1)+1:,i_eig+1)
call VecRestoreArrayReadF90(vout,xsr,ierr)
call VecRestoreArrayRead(vout,xsr,ierr)
!
if (present(V_left)) then
!save the left eigenvectors
! scatter as many times as you need
call VecScatterBegin(vs,xr_left,vout,INSERT_VALUES,SCATTER_FORWARD,ierr)
call VecScatterEnd(vs,xr_left,vout,INSERT_VALUES,SCATTER_FORWARD,ierr)
!
call VecGetArrayReadF90(vout,xsr_left,ierr)
call VecGetArrayRead(vout,xsr_left,ierr)
V_left(:, i_eig+1) = cmplx(xsr_left,kind=SP)
!if (BSS_slepc_double_grp) V_left(BS_K_dim(1)+1:,i_eig+1) =cI*V_left(BS_K_dim(1)+1:,i_eig+1)
call VecRestoreArrayReadF90(vout,xsr_left,ierr)
call VecRestoreArrayRead(vout,xsr_left,ierr)
endif
endif
!
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