Bill Baxter wrote: > On Jan 9, 2008 9:18 AM, Charles R Harris <[EMAIL PROTECTED]> wrote: >> On Jan 8, 2008 5:01 PM, Bill Baxter <[EMAIL PROTECTED]> wrote: >>> On Jan 9, 2008 8:03 AM, Charles R Harris <[EMAIL PROTECTED]> >> wrote: >>>> On Jan 8, 2008 1:58 PM, Bill Baxter < [EMAIL PROTECTED]> wrote: >>>>> If you're really going to try to do it, Charles, there's an >>>>> implementation of float16 in the OpenEXR toolkit. >>>>> http://www.openexr.com/ >>>>> >>>>> Or more precisely it's in the files in the Half/ directory of this: >>>>> >> http://download.savannah.nongnu.org/releases/openexr/ilmbase-1.0.1.tar.gz >>>>> I don't know if it's IEEE conformant or not (especially w.r.t. NaN's >>>>> and such) but it should be a good start. The code seems to be well >>>>> documented. >>>> The license looks good, essentially BSD. The code is all C++, which is >> the >>>> obvious way to go for this sort of thing, and I would like to stick with >> it, >>>> but that could lead to build/compatibility problems. I think NumPy >> itself >>>> should really be in C++. Maybe scons can help with the build. >>> Yeh, I was just thinking you'd rip out and C-ify the main algorithms >>> rather than trying to wrap it as-is. >> I'd rather not C-ify the thing, I'd rather C++-ify parts of NumPy. I note >> that MatPlotLab uses C++, so some of the problems must have been solved.
A big chunk of C++ in matplotlib has just been replaced, largely because it was so hard to understand and extend for everyone but its author. There is still C++ code as well as C code in mpl. Personally, I prefer the C. > > If you think that's easier then go for it. The opinion that C++ would improve numpy is not universal, and has been discussed. http://article.gmane.org/gmane.comp.python.numeric.general/13244 Eric > > As far as classes go, though, you pretty much won't find anything > easier than this to C-ify. Or just to wrap in C. No templates. No > inheritance. Just a simple value-type struct that supports a small > set of operations. > > --bb > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@scipy.org > http://projects.scipy.org/mailman/listinfo/numpy-discussion _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
