On Fri, Apr 17, 2009 at 09:25:16AM +0200, Johan Hake wrote: > On Friday 17 April 2009 09:20:20 DOLFIN wrote: > > One or more new changesets pushed to the primary dolfin repository. > > A short summary of the last three changesets is included below. > > > > changeset: 6003:010f9db3ecb7456374a12e3510ff1c93847d5f6b > > tag: tip > > user: "Johan Hake <[email protected]>" > > date: Fri Apr 17 09:20:16 2009 +0200 > > files: ChangeLog dolfin/swig/dolfin_la_post.i > > dolfin/swig/dolfin_la_pre.i test/unit/la/python/test.py description: > > Added slicing capabilities for GenericVector interface in PyDOLFIN: > > > > We can now e.g. do things like: > > v = Vector(10) > > v[:] = 1.0 > > v[0:10:2] = 2.0 > > v[0:10:2] = v[1:10:2] > > v[[0,3,4,6,9]] = v[1:10:2] > > > > in the PyDOLFIN interface. A sliced Vector returns a copy of the old > > Vector. I have added a bunch of tests that covers some user cases, but > > please report any missbehaviours. > > This is a nice feature that makes python programming more smooth. The > implementation is done totally in an extended c++ layer of the proxy classes > in swig. > > There are some code duplications, which probably could be eliminated, and it > does not support numpy arrays on the right hand side, but this could be added > in the future. > > Cheers! > > Johan
That's really cool. Can you do the same for matrices? -- Anders
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