Bug 1013: fix 2x2 direct eigensolver for identical eiegnvalues
Bug 1013: fix 2x2 direct eigensolver for identical eiegnvalues

rotorliu/eigen,madlib/eigen_backup,madlib/eigen_backup,rotorliu/eigen,madlib/eigen_backup,rotorliu/eigen,madlib/eigen_backup,rotorliu/eigen