#17393: Add warning to Expression.simplify_log()
-------------------------------------+-------------------------------------
Reporter: mjo | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.5
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: Michael Orlitzky | Reviewers: Ralf Stephan
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/mjo/ticket/17393 | 453e74c78803f062cd298bcad0cc5b4b5f2bf0b2
Dependencies: | Stopgaps:
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Changes (by vbraun):
* status: positive_review => needs_work
Comment:
{{{
sage -t --long src/sage/symbolic/expression.pyx
**********************************************************************
File "src/sage/symbolic/expression.pyx", line 8835, in
sage.symbolic.expression.Expression.simplify_log
Failed example:
f.simplify_log('one')
Expected:
1/2*log(t) + log(x) + 2*log(y)
Got:
-pi*log(x + 1) + log(x*y)
**********************************************************************
File "src/sage/symbolic/expression.pyx", line 8838, in
sage.symbolic.expression.Expression.simplify_log
Failed example:
f.simplify_log('ratios')
Expected:
log(sqrt(t)*x*y^2)
Got:
-pi*log(x + 1) + log(x*y)
**********************************************************************
File "src/sage/symbolic/expression.pyx", line 8841, in
sage.symbolic.expression.Expression.simplify_log
Failed example:
f.simplify_log()
Expected:
log(x*y^2) + 1/2*log(t)
Got:
-pi*log(x + 1) + log(x*y)
**********************************************************************
1 item had failures:
3 of 31 in sage.symbolic.expression.Expression.simplify_log
[2265 tests, 3 failures, 21.05 s]
----------------------------------------------------------------------
sage -t --long src/sage/symbolic/expression.pyx # 3 doctests failed
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/17393#comment:3>
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