#19797: Build GSL in IEEE 754 compliant mode
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Reporter: jdemeyer | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.0
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: Jeroen Demeyer | Work issues:
Report Upstream: Reported | Commit:
upstream. Developers acknowledge | 694feb2d71ebf521cf5f32dba69e0406d16e9f11
bug. | Stopgaps:
Branch: |
u/jdemeyer/ticket/19797 |
Dependencies: #19796 |
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Comment (by vbraun):
Even with expansion I think it can be difficult to tell if a radical is
real or not; Cardano's formula which can't be written in real radicals
even if the roots are real comes to mind.
Of course it **is** possible to decide if a radical is real or not, for
example using QQbar.
Can't we just `abs(hold=True)` by default? You can always simplify or set
`hold=False` if you don't want that.
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Ticket URL: <http://trac.sagemath.org/ticket/19797#comment:19>
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