Hello all,
We (me under the mentorship of Miguel) have been working on
the implementation of Knot theory in Sage as a part of GSoC 2014 and would
like to hear your thoughts on the following subject.
We got introduced to the Braid progamme (
http://www.layer8.co.uk/maths/braids/index.htm) project as we were looking
out for Vogel's algorithm implementation. Coming to the details of Braid
project it has been written in C++ and has some extensive results
pertaining to Braid word representation. It would be great if the community
could comment on the issue below:
Would it be great to rewrite the entire code or just wrap the present code.
(This has been posed keeping in mind that the community supports the idea
"building
the car instead of reinventing the wheel" because of the following
reasons).
We are yet to know the license on which the above project has been shipped.
If the author is happy then we are thinking of re-implementing the most
important parts and writing wrappers for the rest as a temporary solution
(during the coding period) and then move onto re-implement the rest of the
project (after the summer) [The re-implementation would help in maintaining
the code].
Some might comment saying " Why to reinvent the wheel if wrappers are
present ?? "
We had problems compiling the braid project using gcc 4.7, it worked fine
using the older versions. So we cannot guarantee that wrappers would work
on every system.
And as mentioned above, re-implementation might help in
effective maintenance of the code.
So we have come to the conclusion that the code must be rewritten but it
would be done in phases.
If there could be a better way out, it would be of great help if we could
be notified.
If it turns out to be negative (in sense the license does not meet the
expectations) then re-writing the entire logic would be the only option
remaining.(We are losing out on wrappers for some good code for a temporary
period of time).
Hoping to hear from the community.Thanks.
Amit.
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