introduce EIGEN_SIZE_MIN now we should check if some EIGEN_ENUM_MIN usage needs to be replaced by that... potential bug when using mixed-size matrice
introduce EIGEN_SIZE_MIN
now we should check if some EIGEN_ENUM_MIN usage needs to be replaced by that... potential bug when using mixed-size matrice

mjbshaw/Eigen,mjbshaw/Eigen,madlib/eigen_backup,rotorliu/eigen,mjbshaw/Eigen,rotorliu/eigen,madlib/eigen_backup,madlib/eigen_backup,madlib/eigen_backup,mjbshaw/Eigen,rotorliu/eigen,rotorliu/eigen