El 07/02/2014 14:22, Pedro Giffuni escribió:
El 07/02/2014 12:00, Rob Weir escribió:
On Fri, Feb 7, 2014 at 10:22 AM, Tenzin Chhosphel <chhos...@gmail.com>
wrote:
Hi Andre,
I had no problems building OpenOffice, it was flawless. It
just took several hours (like over 10) just like it says in the
building guide page. I am also a math minor and fond of numbers, so I
prefer any work related to numeral computation. But, if not, other
areas sound interesting too. My goal is to gain some experience
working in a huge real world project like OpenOffice as well as
contribute to the open source world. I am planning to work on
OpenOffice at least for the remaining of my college career, which is
over a year. So something that I can work for a long time will be nice.
Hi Tenzin,
This sounds great! OpenOffice is a big code base, so you'll probably
want to start simple. We do have some items in our Bugzilla tracker
that are marked as "easy hacks" :
https://issues.apache.org/ooo/buglist.cgi?f1=cf_fix_difficulty&list_id=122701&o1=equals&query_format=advanced&resolution=---&v1=easy
These are good to start on. There are also ones slightly more
challenging, "simple hacks":
https://issues.apache.org/ooo/buglist.cgi?f1=cf_fix_difficulty&list_id=122702&o1=equals&query_format=advanced&resolution=---&v1=simple
A different approach is to jump right in on our 4.1 bug list, see if
you can debug a crash, e.g.:
https://issues.apache.org/ooo/show_bug.cgi?id=123501
It shouldn't be too hard to reproduce that in a debugger and get a
stack for the crash.
On the numeric side, you can look at spreadsheet formula related
issues by searching in Bugzilla. There are also some recent issues
related to our CoinMP integration, which we use for linear programming
optimization:
https://issues.apache.org/ooo/show_bug.cgi?id=124115
https://issues.apache.org/ooo/show_bug.cgi?id=124158
https://issues.apache.org/ooo/show_bug.cgi?id=124157
Pedro knows that area well and might be able to give you some hints.
Ah well ...
Without going into the details on how I lost interest in the base OO
Calc, I will share this.
1) In general OpenOffice Calc does some generally naive math. The code
is mostly taken from textbooks and has been almost heroically enhanced
to produce acceptable results.
2) In order to improve Calc you could use some external libraries but
most of them require Fortran which would make the build requirements
even more complicated than they are. Many things could be done with
Boost (which is already in there) but there is a huge resistance to
change things that already seem to work as they are.
3) There are some Openformula[1] functions that AOO hasn't implemented.
Adding those is usually has less resistance in the project than fixing
the stuff we have. It is also easier as you can learn from the code that
is already in Calc.
4) A, perhaps easier, way to contribute is to work on Calc Extensions.
There are no limits on the compiler/libraries you can use there. I am
personally considering using Apple's GCD for some things and that is
something that can't be included in AOO's base because it is not
supported on linux or windows.
There are some ideas on the Wiki[2]. If you want some interesting
challenges, the type that you don't find in textbooks, try this:
1.1 Function to return the roots of the *quadric* equation.
Duh... I meant the Quartic equation:
http://en.wikipedia.org/wiki/Quartic_function
..
1.7 Newton Raphson *complex number* solver.
Those should be fun as you would have to use complex math for both ;).
Cheers,
Pedro.
[1] http://docs.oasis-open.org/office/v1.2/OpenDocument-v1.2-part2.html
[2] https://wiki.openoffice.org/wiki/Extensions/Ideas/Calc
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