#16374: better two_squares, three_squares, four_squares for small input
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.3
Component: number theory | Resolution:
Keywords: | Merged in:
Authors: Vincent Delecroix | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vdelecroix/16374 | a2b31ca5ec86eaed275a854e41cb5fd7a3ce5c95
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Replying to [comment:13 jdemeyer]:
> What's the point of `<unsigned int> sqrt(<double> n + .5)`? Are you
worried that the libm `sqrt` function does not round correctly? I believe
that IEEE-754 requires this.
I believe it is in IEEE-754, but I am not sure that all compilers follow
IEEE-754. You think it is safe to remove this `.5` ?
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Ticket URL: <http://trac.sagemath.org/ticket/16374#comment:14>
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