On Mon, Mar 17, 2014 at 8:37 AM, Sushant Hiray <hiraysush...@gmail.com> wrote:
> Hi,
>
>>
>> Arb is really awesome! I definitely recommend it for validated numerics to
>> anyone. I used it for a few small things and it plays very well with flint
>> too.
>
>
> Thanks, we should definitely look into this further.
> Considering that even in the thread of Thilina's proposal, it is being
> recommended to use dependencies
> in and around flint.
>
> Also after discussing with Ondrej, I've decided to shift the focus of my
> proposal from
> implementing just fast numeric methods to symbolically implementing some
> special functions
> and then using the fast numeric methods in their evaluation.
>
> So i have updated my proposal accordingly.
> I would like to get your views regarding the current proposal.
> Also a more concrete advice on the scope of the project, if it is way too
> pessimistic/optimistic
> would be highly appreciated.

Looks much better. As to complex numbers, see also:

https://github.com/certik/csympy/issues/47

as to trig functions, the simplification of things like sin(3*pi/2) is
nontrivial since you have to code this for all of the functions.
There is a way to code this up once for a general trig function and
then all other functions work automatically, see the "trig" branch
here:

https://github.com/certik/sympy/blob/trig/t.py

See the tests at the end for things that must work. I think that's the
easiest implementation of trig functions and it should be pretty fast
too.

You should also put there a schedule of what things you want to get
done each week.

Ondrej

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