Fixing the ubiquitous accessing of .value would be far more work that it's
worth.  The main functionality that I would like is a get_si() with bounds
checking.  Given that, I think having a set_si as well is reasonable.
David

On Mon, Mar 3, 2008 at 9:36 AM, Joel B. Mohler <[EMAIL PROTECTED]>
wrote:

>
> On Monday 03 March 2008 08:42:53 am David Roe wrote:
> > I think they should still exist, but should be cdef'd.  This means I can
> > interface between C longs and sage Integers without having to reach in
> and
> > grab n.value, but one can't use them to make Integers mutable in Python.
>  A
> > function get_si() would also be useful if it did bounds checking so that
> I
> > don't have to worry about the mpz_t not fitting in a long.
> > David
>
> That would be fine with me.  Although, we already violate the information
> hiding aspect quite a bit -- that is, we already access n.value quite
> freely
> from matrix and vector code (for instance).  So, I'm not sure that that is
> worth talking about -- although maybe your point was that we should
> respect
> the private-ness of value and fix all that?
>
> In any case, the real point is that this should be removed from tab
> completion
> list and cdef'ing them would do that.
>
> --
> Joel
>
> >
> > On Mon, Mar 3, 2008 at 8:02 AM, Joel B. Mohler <[EMAIL PROTECTED]>
> >
> > wrote:
> > > Hi,
> > >
> > > These methods set_si & set_str violate immutability:
> > > sage: n=300
> > > sage: n.set_si(12)
> > > sage: n
> > > 12
> > >
> > > Shouldn't they be called _set_unsafe_xx?  Better yet, shouldn't they
> be
> > > deleted altogether since I can't find anywhere they are used in code
> > > aside from doc-tests?  Or, was that the point -- to doc-test
> something?
> > >
> > > The Rational object also has these methods.
> > >
> > > --
> > > Joel
> >
> >
>
>
> >
>

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