Make Waves2AMR routines deterministic by default #1143
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Summary
Regression test "ow_w2a" had been nondeterministic; this was due to the use of certain FFTW approaches that are nondeterministic. This PR allows the user to choose which approach to use and sets the default to a deterministic one.
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The following is included:
This PR was tested by running:
Additional background
Issue Number: closes #1090