simple refinement schur
 Solution method: toar

 Number of requested eigenvalues: 4
 Stopping condition: maxit=100
 All requested eigenvalues computed up to the required tolerance:
     -0.50511, -0.50515, -0.50520, -0.50528

simple refinement mbe
 Solution method: toar

 Number of requested eigenvalues: 4
 Stopping condition: maxit=100
 All requested eigenvalues computed up to the required tolerance:
     -0.50511, -0.50515, -0.50520, -0.50528

simple refinement explicit
 Solution method: toar

 Number of requested eigenvalues: 4
 Stopping condition: maxit=100
 All requested eigenvalues computed up to the required tolerance:
     -0.50511, -0.50515, -0.50520, -0.50528

multiple refinement
 Solution method: toar

 Number of requested eigenvalues: 4
 Stopping condition: maxit=100
 All requested eigenvalues computed up to the required tolerance:
     -0.50511, -0.50515, -0.50520, -0.50528

