[petsc-users] [petsc-maint] Error in using KSPSOperators

[Matthew Knepley]

On Sun, Jul 14, 2024 at 4:55 AM Ivan Luthfi <ivanluthfi5 at gmail.com> wrote:

> Hi there, I have an issue in compiling my code. Here is the warning:
> MsFEM_poisson2D_DMDA. c: 159: 65: error: cannot convert ‘MatStructure’ to
> ‘Mat’ {aka ‘_p_Mat*’} 159 | ierr = KSPSetOperators(ksp_direct,up.
> Af,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);Please
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> Hi there, I have an issue in compiling my code. Here is the warning:
>
> MsFEM_poisson2D_DMDA.c:159:65: error: cannot convert ‘MatStructure’ to
> ‘Mat’ {aka ‘_p_Mat*’}
>   159 |                         ierr =
> KSPSetOperators(ksp_direct,up.Af,DIFFERENT_NONZERO_PATTERN);CHKERRQ(ierr);
>
>
We removed the MatStructure flag in this call many years ago. The structure
is now inferred automatically.

  Thanks,

     Matt


> Please help me
> --
> Best regards,
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

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