#6743: cygwin metaticket: port Sage to Microsoft Windows (via Cygwin): stage 1
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make building Sage automatic
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Reporter: was | Owner: was
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-5.9
Component: cygwin | Resolution:
Keywords: sd31 sd32 | Work issues:
Report Upstream: N/A | Reviewers: Jean-Pierre Flori, Dmitrii
Pasechnik, Karl-Dieter Crisman, Mike Hansen, William Stein, Luis Tabera
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by leif):
Replying to [comment:211 leif]:
> Replying to [comment:210 kcrisman]:
> > > I recall somebody somewhere replacing (`#define`ing?) `sqrtl()` by
`sqrt()`, arguing `double` precision was sufficient there, for the sake of
Cygwin, and that AFAIK didn't get removed even after the inclusion of
Cephes. (Not 100% sure whether it was really `sqrt()`; probably some
other function, but Cygwin was lacking its `long double` implementation.)
> > Wow, that would have been a long time ago... If you can find a
reference that would be helpful.
>
> According to #14078 it was `logl()` (my second guess :-) [third was
`gammal()` or `lgammal()`]), but the ticket only refers to R, while ''I
think^TM^'' the replacement was (also) done somewhere else.
I only found #8847 (and #9162), but I don't think these are the instances
I meant.
(#8847 adds wrapper functions with `#ifdef __CYGWIN__ ...`.)
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6743#comment:212>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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