#21124: RealNumber.str(): do not truncate by default and allow specifying
number of
digits
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.3
Component: basic arithmetic | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by jdemeyer:
Old description:
> 1. Implement a way to explicitly choose the number of digits for printing
> a real number.
>
> 2. Use `truncate=False` by default in the `str()` method but use
> `truncate=True` in `__repr__`. For explicit string conversions using the
> `str()` method, I assume that the user wants full control and doesn't
> want random truncation to interfere. This can also be seen by a lot of
> places in the Sage library which call `x.str(truncate=False)`. For normal
> printing or conversion to `str`, truncation is still the default.
New description:
1. Use `truncate=False` by default in the `str()` method but use
`truncate=True` in `__repr__`. For explicit string conversions using the
`str()` method, I assume that the user wants full control and doesn't want
random truncation to interfere. This can also be seen by a lot of places
in the Sage library which call `x.str(truncate=False)`. For normal
printing or conversion to `str`, truncation is still the default.
2. Implement a `x.str(digits=10)` argument to explicitly choose the number
of digits for printing a real number.
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Ticket URL: <https://trac.sagemath.org/ticket/21124#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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