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[Bug-gsl] [bug #25413] [patch] monte test failure under mingw
From: |
Brian Gough |
Subject: |
[Bug-gsl] [bug #25413] [patch] monte test failure under mingw |
Date: |
Thu, 29 Jan 2009 13:59:27 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.17) Gecko/20080925 Fedora/false StumbleUpon/1.73 SeaMonkey/1.1.12 |
Update of bug #25413 (project gsl):
Status: None => Need Info
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Follow-up Comment #2:
Thanks for the link. I don't believe the test failure should be ignored or
worked around with -ffloat-store as the relative size of the error is huge
O(1e-3).
This suggests that there is a more serious underlying problem with extended
precision registers that is specific to Mingw as it doesn't with the same
versions of Gcc on GNU/Linux or other operating systems.
I'd suggest that you rerun the test with tracing for the vegas method by
adding s->verbose=1 before the call to vegas and see where the error is
occurring.
#define MONTE_INTEGRATE(f,xl,xu,dim,calls,r,s,res,err) { s->verbose=1;
gsl_monte_vegas_integrate(f,xl,xu,dim,calls,r,s,res,err) ; }
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<http://savannah.gnu.org/bugs/?25413>
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