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| From: | Daniel J Sebald |
| Subject: | Re: random numbers in tests |
| Date: | Wed, 01 Aug 2012 12:03:36 -0500 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16 |
On 08/01/2012 11:39 AM, John W. Eaton wrote:
After renaming the DLD-FUNCTIONS directory to dldfcn, two new test failures popped up. The failing tests were the last two from splinefit.m:
[snip]
It seems the reason the change reliably affected "make check" was that by renaming the DLD-FUNCTION directory to dldfcn, the tests were run in a different order. Previously, the tests from files in the DLD-FUNCTION directory were executed first. Now they were done later, after many other tests, some of which have random values, and some that may set the random number generator state.
My other comment is that there seems to be a few sys-faults showing up in the last day. There is lots of activity on the source tree, but don't rule out that rearranging the source tree directories might uncover some long-standing programming bug that only becomes evident because of the way in which hunks of code are assembled.
Dan
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