Tests: Slightly change stopping criterion in petsc/solver_02 #6120
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The Chebyshev smoother for PETSc is quite a tricky beast. Maybe it would be best to simply not use it. Anyway, it turns out that simply changing the stopping criterion for the inner smoother a bit let's this test pass. [1] Let's just give up and let the test pass... Fixes dealii#5320 [1] Under certain circumstances the test fails with a floating point exception (division by zero) with newer PETSc 3.8.X.
davydden
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Mar 29, 2018
tamiko
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Mar 29, 2018
Make this test a bit more stable to avoid a floating point exception, see pull request dealii#6120 Set number of allowed iterations to the same value that is use in petsc/solver_02
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masterleinad
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Mar 31, 2018
Make this test a bit more stable to avoid a floating point exception, see pull request dealii#6120 Set number of allowed iterations to the same value that is use in petsc/solver_02
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The Chebyshev smoother for PETSc is quite a tricky beast. Maybe it would
be best to simply not use it. Anyway, it turns out that simply changing
the stopping criterion for the inner smoother a bit let's this test
pass. [1]
Let's just give up and let the test pass...
Fixes #5320
[1] Under certain circumstances the test fails with a floating point
exception (division by zero) with newer PETSc 3.8.X.