zero: 0 [time_pt : beta = 40 n = 0]
beta: 40 [time_pt : beta = 40 n = 18446744073709551615]
t1: 10 [time_pt : beta = 40 n = 4611686018427387904]
t2: 30 [time_pt : beta = 40 n = 13835058055282163712]
t1 + t2: 0 [time_pt : beta = 40 n = 0]
t1 + t2 - (as double) : -40
t1 - t2: 20 [time_pt : beta = 40 n = 9223372036854775807]
t1 - t2 - (as double) : 40
t1 * t2: 300
t1 * t2 - (as double) : 0
t1 / t2: 0.333333
t1 / t2 - (as double) : 0
t1 + beta: 10 [time_pt : beta = 40 n = 4611686018427387903]
t1 - beta: 10 [time_pt : beta = 40 n = 4611686018427387904]
 print 10
 -t1: 30 [time_pt : beta = 40 n = 13835058055282163711]
epsilon: 2.1684e-18 [time_pt : beta = 40 n = 1]
- epsilon: 40 [time_pt : beta = 40 n = 18446744073709551614]
t1 - epsilon :10 [time_pt : beta = 40 n = 4611686018427387903]
 num limit max 18446744073709551615
 num limit-1  18446744073709551614
 num limit+0  18446744073709551615
 num limit+1  0
 num limit+2  1