24   SelfAdjointEigenSolver<MatrixType> eiSymm(m);  in selfadjointeigensolver_essential_check()  local
25   VERIFY_IS_EQUAL(eiSymm.info(), Success);  in selfadjointeigensolver_essential_check()
31     VERIFY(eiSymm.eigenvalues().cwiseAbs().maxCoeff() <= (std::numeric_limits<RealScalar>::min)());  in selfadjointeigensolver_essential_check()
35     VERIFY_IS_APPROX((m.template selfadjointView<Lower>() * eiSymm.eigenvectors())/scaling,  in selfadjointeigensolver_essential_check()
36                      (eiSymm.eigenvectors() * eiSymm.eigenvalues().asDiagonal())/scaling);  in selfadjointeigensolver_essential_check()
38   VERIFY_IS_APPROX(m.template selfadjointView<Lower>().eigenvalues(), eiSymm.eigenvalues());  in selfadjointeigensolver_essential_check()
39   VERIFY_IS_UNITARY(eiSymm.eigenvectors());  in selfadjointeigensolver_essential_check()
46     if(! eiSymm.eigenvalues().isApprox(eiDirect.eigenvalues(), eival_eps) )  in selfadjointeigensolver_essential_check()
48       std::cerr << "reference eigenvalues: " << eiSymm.eigenvalues().transpose() << "\n"  in selfadjointeigensolver_essential_check()
50 …  << "diff:                  " << (eiSymm.eigenvalues()-eiDirect.eigenvalues()).transpose() << "\n"  in selfadjointeigensolver_essential_check()
51 …<< "error (eps):           " << (eiSymm.eigenvalues()-eiDirect.eigenvalues()).norm() / eiSymm.eige…  in selfadjointeigensolver_essential_check()
59       VERIFY_IS_APPROX(eiSymm.eigenvalues()/scaling, eiDirect.eigenvalues()/scaling);  in selfadjointeigensolver_essential_check()
100   SelfAdjointEigenSolver<MatrixType> eiSymm(symmA);  in selfadjointeigensolver()  local
106   VERIFY_IS_APPROX(eiSymm.eigenvalues(), eiSymmNoEivecs.eigenvalues());  in selfadjointeigensolver()
127   eiSymm.compute(symmC);  in selfadjointeigensolver()
128   MatrixType sqrtSymmA = eiSymm.operatorSqrt();  in selfadjointeigensolver()
130   VERIFY_IS_APPROX(sqrtSymmA, symmC.template selfadjointView<Lower>()*eiSymm.operatorInverseSqrt());  in selfadjointeigensolver()
166     VERIFY_IS_APPROX(eiSymm.eigenvalues(), eiSymmTridiag.eigenvalues());  in selfadjointeigensolver()