Re: [Numpy-discussion] [SciPy-Dev] PyRSB: Python interface to librsb sparse matrices library

2017-06-25 Thread Michele Martone
On 20170624@16:29, Sylvain Corlay wrote: > Hi Michele, Hi Sylvain, > This is really interesting. I am a co-author of the xtensor project and one > thing that could be interesting is to wrap the various sparse matrix data > structures in the form of xtensor expressions. A byproduct of doing so is

Re: [Numpy-discussion] [SciPy-Dev] PyRSB: Python interface to librsb sparse matrices library

2017-06-25 Thread Sylvain Corlay
Hi Michele, Regarding xtensor, the article focused on how we can wrap an existing data structure in an "xtensor expression", i.e. something that you can operate upon with the numpy style API in C++ (see the numpy to xtensor cheat sheet http://xtensor.readthedocs.io/en/latest/numpy.html). Since it

Re: [Numpy-discussion] Boolean binary '-' operator

2017-06-25 Thread Julian Taylor
On 25.06.2017 18:45, Stefan van der Walt wrote: > Hi Chuck > > On Sun, Jun 25, 2017, at 09:32, Charles R Harris wrote: >> The boolean binary '-' operator was deprecated back in NumPy 1.9 and >> changed to an error in 1.13. This caused a number of failures in >> downstream projects. The choices now

Re: [Numpy-discussion] Boolean binary '-' operator

2017-06-25 Thread Stefan van der Walt
Hi Chuck On Sun, Jun 25, 2017, at 09:32, Charles R Harris wrote: > The boolean binary '-' operator was deprecated back in NumPy 1.9 and > changed to an error in 1.13. This caused a number of failures in > downstream projects. The choices now are to continue the deprecation > for another couple of

[Numpy-discussion] Boolean binary '-' operator

2017-06-25 Thread Charles R Harris
Hi All, The boolean binary '-' operator was deprecated back in NumPy 1.9 and changed to an error in 1.13. This caused a number of failures in downstream projects. The choices now are to continue the deprecation for another couple of releases, or simply give up on the change. For booleans, `a - b`

Re: [Numpy-discussion] [SciPy-Dev] PyRSB: Python interface to librsb sparse matrices library

2017-06-25 Thread Michele Martone
On 20170624@16:29, Sylvain Corlay wrote: > Hi Michele, Hi Sylvain, > This is really interesting. I am a co-author of the xtensor project and one > thing that could be interesting is to wrap the various sparse matrix data > structures in the form of xtensor expressions. A byproduct of doing so is