Hi, On Fri, Mar 19, 2010 at 08:11:21PM -0700, Ondrej Certik wrote: > On Fri, Mar 19, 2010 at 7:54 PM, Ted Horst <[email protected]> wrote: > > > > On 2010-03-17, at 21:28, Ondrej Certik wrote: > > > >> Hi, > >> > >> we just fixed the last bugs in the Mateusz's polys branch and pushed > >> it in our main git repo. All tests pass for all kinds of > >> configurations that I tried, but if possible, please test it (I didn't > >> test on Mac nor Windows). > >> > >> Just to get some idea, Mateusz did about 150 patches and it implements > >> all kinds of polynomial algorithms, see e.g. this patch for some > >> details: > >> > >> > >> http://git.sympy.org/?p=sympy.git;a=commit;h=31c9aa43ffc7bc031493fc4ea27b74dc50c4d035 > >> > >> It should fix all kinds of bugs and also it's quite fast and robust. > >> E.g. this failed: > >> > >> In [1]: f = expand((x+y+z)**20) > >> > >> In [2]: factor(f) > >> Out[2]: > >> 20 > >> (x + y + z) > >> > >> and now it works. > >> > >> Plus the core polynomials are cythonized in pure Cython mode (so far > >> only about 2x speedup), but I think we'll figure out ways to speed it > >> up more using Cython. > >> > >> Ondrej > >> > > > > I was excited to see the first cython bits in the main repo, but I am having > > a few problems. > > > > I'm on a ppc mac running 10.5.8 and using the system python 2.5.1 and the > > latest head of cython (12507ec6fa91) from http://hg.cython.org/cython-devel. > > > > First, it looks like lambda is not supported by this version of cython > > (error below). Are you using the cython-closure branch? > > > > Second, it looks like the cythonized decorator is not having the desired > > effect. I'm guessing this is because the cython.locals decorator has to > > actually be seen by cython (the decorator itself doesn't do anything). > > Could this be done using a pxd file? > > I just tried the same Cython head and I am getting the exact same > cython error as you do. > > Mateusz, how should we get this working? Last time I tried it was at > the scipy conference and it worked, but it was just some prototype. >
this was like half a year ago ;) I fixed this issue in polys8 branch (http://github.com/mattpap/sympy-polys/commits/polys8). The problem was mainly with lambda, which still isn't supported, and with decomposition of tuples in arguments to functions. > Ondrej > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. > -- Mateusz
signature.asc
Description: This is a digitally signed message part
