From: Toon Knapen (toon.knapen_at_[hidden])
Date: 2002-04-04 04:03:47
On Thursday 04 April 2002 10:12, you wrote:
> Hi Toon,
> you wrote:
> > again a traits/partial spec. problem AFAICT.
> > Following code does not work with the current snapshot of ublas :
> > const matrix< double > a( 8, 8 );
> > numerics::matrix_row< const matrix< double > > r = numerics::row(a, 2 );
> May be,
> const numerics::matrix_row< const matrix< double > > r = numerics::row(a,
> 2 );
> could work? I'll check this later.
> > double d = r(2) ;
> > the ()-operator on the const matrix_row will return an M::reference which
> > should be in this case an M::const_reference !?
> > (compiled with gcc303)
I missed that I had reported this already and locally patched it creating a
traits-class which, in case of a const M template argument, will make the
reference a const_reference. IIRC, the issue is that this solution is not
portable to MSVC ;-(
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