#10136: `log(x).operator() == log` should return `True`
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Reporter: burcin | Owner: burcin
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.11
Component: symbolics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Burcin Erocal | Merged in:
Dependencies: | Stopgaps:
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Changes (by {'newvalue': u'Burcin Erocal', 'oldvalue': ''}):
* status: new => needs_review
* author: => Burcin Erocal
Old description:
> Reported by Francois Maltey on sage-devel:
>
> {{{
> > log(x).operator() == ln # is True, yes the alias ln is better than
> > the log name
> > log(x).operator() == log # is False (this feature looks like the
> > binomial one)
> > log(x).operator() == sage.function.log.function_log # is True
> }}}
>
> We should define a `__call__()` method in the `Function_log` class from
> `sage/functions/log.py`, to handle the base argument. Then `ln()` and
> `log()` can be the same function and `log(x).operator() == log` will
> return `True`.
New description:
Reported by Francois Maltey on sage-devel:
{{{
> log(x).operator() == ln # is True, yes the alias ln is better than
> the log name
> log(x).operator() == log # is False (this feature looks like the
> binomial one)
> log(x).operator() == sage.function.log.function_log # is True
}}}
We should define a `__call__()` method in the `Function_log` class from
`sage/functions/log.py`, to handle the base argument. Then `ln()` and
`log()` can be the same function and `log(x).operator() == log` will
return `True`.
Apply [attachment:trac_10136-log_operator.patch]
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10136#comment:1>
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