#10761: Numerical approximation of an algebraic number raises a ValueError
----------------------------+-----------------------------------------------
Reporter: slabbe | Owner: tbd
Type: defect | Status: positive_review
Priority: major | Milestone: sage-4.7
Component: numerical | Keywords: numerical_approx, AlgebraicNumber
Author: Simon Spicer | Upstream: N/A
Reviewer: Rob Beezer | Merged:
Work_issues: |
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Comment(by kini):
This works for me...
{{{
#!diff
diff -r 361a4ad7d52c -r 87dedc409966 sage/misc/functional.py
--- a/sage/misc/functional.py Fri Feb 25 18:56:01 2011 +0000
+++ b/sage/misc/functional.py Wed Mar 23 14:18:58 2011 -0700
@@ -1260,7 +1270,7 @@
if not (is_ComplexNumber(x) or is_ComplexDoubleElement(x)):
try:
return sage.rings.real_mpfr.RealField(prec)(x)
- except TypeError:
+ except (TypeError, ValueError):
pass
return sage.rings.complex_field.ComplexField(prec)(x)
}}}
I think it would be cleaner than just catching all exceptions. Simon, what
exactly was wrong with catching ValueErrors?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10761#comment:5>
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