Re: [ublas] compilation error (BOOST_STATIC_ASSERT) in a matrix expression

From: Karl Meerbergen (Karl.Meerbergen_at_[hidden])
Date: 2007-10-16 06:34:29

Daniele wrote:

> Ok, in a hurry, I think I've make some mistakes, but I've tracked down 
> the problem to this:
>     ublas::matrix<double> A(2, 2), B(2, 2), C(2, 2);
>     // initialize A and B ...
>     C = prod(A, ublas::matrix<double>(prod(B, A))); // C = A*B*A  this 
> works
>     C = prod(A, prod(B, A)); // C = A*B*A  this doesn't work

Nested prod is not allowed I think. You should use a temporary for 
storing prod(B,A).

Karl