bug fix in SuperLU support: the meaning of Matrix::stride() changed for vectors
bug fix in SuperLU support: the meaning of Matrix::stride() changed for vectors

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