nag_zherk (f16zpc) Example Program Results Updated Matrix C 1 2 3 4 1 (-12.40, 0.00) 2 ( -8.96, 2.00) (-20.33, 0.00) 3 ( 9.28, 6.51) ( 11.03, -1.18) ( -6.26, 0.00) 4 ( -0.81,-10.25) ( 1.64, -9.37) ( 5.63, 4.47) ( -7.58, 0.00)