Begin numerical recipes in C++ eigenvalue decomposition
End decomposition: time  = 2.353
Maximum error in product = 8.16014e-014
Orthogonality check      = 3.55271e-015
Begin newmat eigenvalue decomposition
End decomposition: time  = 1.882
Maximum error in product = 1.07359e-013
Orthogonality check      = 3.10862e-015
Maximum difference in eigenvalues = 1.95399e-013
