You are attempting to pass the entire aA array into each MatSetValues() call
when you should pass one row with each call. Use
PetscCallA(MatSetValues(A,1,i,4,j,aA(i+1,:),INSERT_VALUES,ierr))
> On Aug 19, 2023, at 4:47 PM, Sanjay Govindjee <s...@berkeley.edu> wrote:
>
> I recently got a copy of E.Bueler's petsc book and was converting the
> programs to fortran for my students and have run into a compile error that
> I can not figure out. I comment out the MatSetValues line the code compiles
> fine.
>
> When I run make on vecmatkspf.F90, I get the error:
> 42 | PetscCallA(MatSetValues(A,1,i,4,j,aA,INSERT_VALUES,ierr))
> | 1
> Error: There is no specific subroutine for the generic 'matsetvalues' at (1)
> My petsc set works, runs with my FEA code and compiles and runs the fortran
> programs in the petsc tutorials directories just fine. And in particular,
> compiles
> and runs the C versions from Bueler.
>
> I've attached the make file and the source. I must be doing something
> obviously wrong but I can not spot it.
>
> -sanjay
> --
>
>
> <vecmatkspf.F90><makefile.txt>
