Hi All,
Recently, when I am upgrading our code from 3.8 to 3.10, it always runs
into error during VecGetArrayF90 call (it is Fortran90-based code). The
reason we use is to access the array for our user-defined matrix-vector
multiplication subroutine, for example:
* subroutine mymult(A,x,y,loco_ierr) *
* !!!!!!!!!!!!!!! matrix-vector multiplication y=A.x
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
* use mat_vec_mult,only:matvec*
* implicit none*
* Mat,intent(in)::A ! required by PETSc*
* Vec,intent(in)::x*
* Vec,intent(out)::y*
* PetscErrorCode,intent(out)::loco_ierr*
* PetscScalar,pointer::xx(:),yy(:)*
* call VecGetArrayReadF90(x,xx,loco_ierr)*
* call VecGetArrayF90(y,yy,loco_ierr)*
* call matvec(xx,yy)*
* call VecRestoreArrayReadF90(x,xx,loco_ierr)*
* call VecRestoreArrayF90(y,yy,loco_ierr)*
* return*
* end subroutine mymult*
I checked the change log on the website and saw a statement:
TAO:
- Added VecLock{Push|Pop} calls around user callbacks; use of
VecGetArray in user callbacks is now prohibited.
Is there any relation to my issue? All the online PETSc examples and
description for VecGetArray/VecGetArrayF90 are the same as PETSc/3.8. I
tried to add/use VecLockPop/Push, but still doesn't work.
I am confused and not sure what is the problem?
Could I get some help?
Thanks,
--
Chang Liu
PhD candidate
Dept. of Electrical & Computer Engineering
Ph: 765-7143357
Email: [email protected]
