MatMult err 0.
A Matrix norms:        infty=19.4129, norm_1=19.4129, norm_2=-1.
A Approx Matrix norms: infty=19.4129, norm_1=19.4129, norm_2=16.7546
B Approx Matrix norms: infty=19.4129, norm_1=19.4129, norm_2=16.7546
MatMultTranspose err 1.55849e-16
Approximation error 0. (0. / 17.9255, 17.9255)
Approximation error transpose 0. (0. / 17.9255, 17.9255)
Approximation error B - (B^T)^T 0.