On Oct. 12, 2011, I wrote
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>My idea is that a method with less function evaluations is
>having an easier time of converging, and the result is
>then more likely to be more accurate. But this is of
>course an experimental question.
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On second thought, I agree that I should use est abs error size
as the criterion. Especially since the writers of quadpack took
the trouble to hazard a guess as to that value.
Ted