#19418: skew-Hadamard matrices and related srg's
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Reporter: | Owner:
dimpase | Status: needs_work
Type: | Milestone: sage-6.10
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers: Nathann Cohen
combinatorics | Work issues:
Keywords: | Commit:
Authors: | c284eda90adb73aa4e0a36e0d6467fb76c779654
Report Upstream: N/A | Stopgaps:
Branch: |
public/19418 |
Dependencies: |
#19309 |
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Comment (by dimpase):
Replying to [comment:22 ncohen]:
> a couple of remarks about the last commit:
>
> - except without the name of a specific exception makes Jeroen scream.
OK, sure, I will make it catch `NoneType`
>
> - It is a weird that the value of 'sparse' is ignored when 'v.is_sparse'
says otherwise. The expected behaviour would be sparse=None by default
(auto detect) and use the user-provided value otherwise.
>
I want to implement something like this:
{{{
def f(vector v):
stuff...
def f(list v, sparse=False):
stuff...
}}}
and this is what my code does.
The user-provided value of sparse for vector `v` is present in `v`
already.
If the user wants to make it explicit, he can call the function with the
parameter `vector(v, sparse=whatever)` instead of just `v`
--
Ticket URL: <http://trac.sagemath.org/ticket/19418#comment:23>
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