|Re: [eigen] Namespaces|
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On Thursday 11 October 2007 21:08:09 Schleimer, Ben wrote: > If you want your prefix so much, you can have it by > typedef Ei2::Vector EiVector; No, C++ doesn't allow cross-namespace typedefs, see my former reply to Andre. I guess we'll do the following: 1) namespace 2) notice that the user almost never names the classes manually. The only thing he names are the matrix/vector typedefs 3) so let's provide a macro USING_EIGEN_TYPEDEFS doing a series of "using" such as using Eigen::Matrix3d; ... By the way, some of your mails and also mails of other persons on this list refer to a Vector<T, size> class template. That did indeed exist in eigen1, but no longer in eigen2. For instance, our Vector3d is now a typedef for Matrix<double, 3, 1>. There is no vector class in eigen2. I put typedefs for fixed-size 2,3,4 and for dynamicsize (VectorXd). That should cover 99% of uses. Too bad we'll have to wait for C++0x to get template typedefs. Cheers, Benoit
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