#5400: conversion error
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Reporter: jason | Owner: robertwb
Type: defect | Status: new
Priority: major | Milestone: sage-4.4.2
Component: misc | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: Close/mark as fixed? |
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Comment(by jason):
Replying to [comment:12 robertwb]:
> I hate the fact that
>
> {{{
> sage: RR(CC(-1))
> -1.00000000000000
> }}}
>
> but
>
> {{{
> sage: RDF(CDF(-1))
> ------------------------------------------------------------
> Traceback (most recent call last):
> File "<ipython console>", line 1, in <module>
> File "parent.pyx", line 538, in sage.structure.parent.Parent.__call__
(sage/structure/parent.c:5007)
> File "coerce_maps.pyx", line 82, in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(sage/structure/coerce_maps.c:3109)
> File "coerce_maps.pyx", line 77, in sage.structure.coerce_maps._call_
(sage/structure/coerce_maps.c:3000)
> File "real_double.pyx", line 540, in
sage.rings.real_double.RealDoubleElement.__init__
(sage/rings/real_double.c:5553)
> File "complex_double.pyx", line 808, in
sage.rings.complex_double.ComplexDoubleElement.__float__
(sage/rings/complex_double.c:6628)
> TypeError: can't convert complex to float; use abs(z)
> }}}
That problem should be a different ticket.
This ticket should be closed.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5400#comment:13>
Sage <http://www.sagemath.org>
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