dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Sat, Oct 13, 2007 at 04:22:18PM +0200, Alessio Quaglino wrote:
> > I've compiled dolfin using PETSc. After some work, everything finally
> > compiles, but there was no way to make those working inside PETScVector:
> >
> > /// Return value of maximum component of vector
> > real max() const;
> >
> > /// Return value of minimum component of vector
> > real min() const;
> >
> > I thought you wanted to know it, just in case you want to dump them (max
> > is just the linf norm so it's not even necessary).
> >
> > I have also another question: why is uBlas necessary for compiling?
> > Wouldn'it be (at least in theory) possible to use just PETSc?
> >
> > Alessio
> 
> I'd also like to add that in order to use PETSc functions with dolfin
> matrices the call Mat() should not be constant (I guess it would be
> pointless to derive a child class because I'd lose all the private
> attributes and thus I'd have to copy and paste a lot of code, which is a
> bad habit).

Does it not compile with the "const"? I think the const on mat() is
technically correct (we just return a value) but morally questionable
(since that value is a pointer).

/Anders