[petsc-users] Possible Bug ?

[Sajid Ali]

This can be tracked down to n vs N being used. The vector in the second
loop is created using N while MatCreateVecsFFTW uses n (for real numbers).
n!=N and hence the error.

If the lines 50/51 and line 91 are switched to MatCreateVecsFFW instead of
MatGetVecs and VecCreateSeq respectively, the example would work for real
numbers as well.
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