ter 35: f = 9.288145e-01 f-delta = 2.7e-03
 Iter 36: f = 9.311877e-01 f-delta = 2.4e-03
 Iter 37: f = 9.333745e-01 f-delta = 2.2e-03
 Iter 38: f = 9.354731e-01 f-delta = 2.1e-03
 Iter 39: f = 9.375329e-01 f-delta = 2.1e-03
 Iter 40: f = 9.395775e-01 f-delta = 2.0e-03
 Iter 41: f = 9.416167e-01 f-delta = 2.0e-03
 Iter 42: f = 9.436525e-01 f-delta = 2.0e-03
 Iter 43: f = 9.456825e-01 f-delta = 2.0e-03
 Iter 44: f = 9.477010e-01 f-delta = 2.0e-03
 Iter 45: f = 9.496999e-01 f-delta = 2.0e-03
 Iter 46: f = 9.516