#19280: MPIR gives incorrect result on i386
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Reporter: cheuberg | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.9
Component: packages: | Resolution:
standard | Merged in:
Keywords: mpir | Reviewers:
Authors: Clemens Heuberger | Work issues:
Report Upstream: N/A | Commit:
Branch: u/cheuberg/mpir- | 0d48fb57205cb16d58380c9b022c39eb354c3a58
bug | Stopgaps:
Dependencies: |
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Comment (by cheuberg):
Replying to [comment:5 jdemeyer]:
> Instead of patching all those tuning files, why not just
> {{{
> #!diff
> diff -ru mpir-2.7.0/gmp-impl.h mpir-2.7.0-fixed/gmp-impl.h
> --- mpir-2.7.0/gmp-impl.h 2015-06-10 23:02:35.000000000 +0200
> +++ mpir-2.7.0-fixed/gmp-impl.h 2015-09-29 17:04:17.746919331 +0200
> @@ -2040,11 +2040,11 @@
> #endif
>
> #ifndef SB_DIVAPPR_Q_SMALL_THRESHOLD
> -#define SB_DIVAPPR_Q_SMALL_THRESHOLD 11
> +#define SB_DIVAPPR_Q_SMALL_THRESHOLD 0
> #endif
>
> #ifndef SB_DIV_QR_SMALL_THRESHOLD
> -#define SB_DIV_QR_SMALL_THRESHOLD 11
> +#define SB_DIV_QR_SMALL_THRESHOLD 0
> #endif
>
> #ifndef DC_DIVAPPR_Q_THRESHOLD
> }}}
Are we sure that we want to change the parameter on ''all'' architectures?
--
Ticket URL: <http://trac.sagemath.org/ticket/19280#comment:6>
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