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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