I tested out bearoffdump on a test database using normal distribution format
and got the following strange output (running on a 64bit Debian system). I was
expecting a similar format to a non-ND database and wonder if this is a bug:
$ bearoffdump -n 56 ntest_osx2.bd
Bearoff database: ntest_osx2.bd
Position number : 56
Information about database:
* On disk 1-sided bearoff database evaluator
- generated by GNU Backgammon
- up to 15 chequers on 2 points (136 positions) per player
- distributions are approximated with a normal distribution
- database includes gammon distributions
Dump of position#: 56
Player Opponent
Position 0 56
Bearing off Bearing at least one chequer off
Rolls Player Opponent Player Opponent
0 100.000 4295027589120.000 100.000 100.000
1 0.000 189553824.000 0.000 0.000
2 0.000 108865.250 0.000 0.000
3 0.000 813.646 0.000 0.000
4 0.000 79.135 0.000 0.000
5 0.000 100.160 0.000 0.000
6 0.000 1649.715 0.000 0.000
7 0.000 353600.125 0.000 0.000
8 0.000 986291200.000 0.000 0.000
9 0.000 35800314019840.000 0.000 0.000
10 0.000 16910502029334413312.000 0.000 0.000
11 0.000 103948343639301082543292416.000 0.000 0.000
12 0.000 8315131829276363622272676491427840.000 0.000 0.000
13 0.000 inf 0.000 0.000
14 0.000 inf 0.000 0.000
15 0.000 inf 0.000 0.000
16 0.000 inf 0.000 0.000
17 0.000 inf 0.000 0.000
18 0.000 inf 0.000 0.000
19 0.000 inf 0.000 0.000
20 0.000 inf 0.000 0.000
21 0.000 inf 0.000 0.000
22 0.000 inf 0.000 0.000
23 0.000 inf 0.000 0.000
24 0.000 inf 0.000 0.000
25 0.000 inf 0.000 0.000
26 0.000 inf 0.000 0.000
27 0.000 inf 0.000 0.000
28 0.000 inf 0.000 0.000
29 0.000 inf 0.000 0.000
30 0.000 inf 0.000 0.000
31 0.000 inf
Average rolls
Bearing off Saving gammon
Player Opponent Player Opponent
Mean 0.000 4.408 0.000 0.000
Std dev 0.000 0.624 0.000 0.000
Effective pip count:
Player Opponent
EPC 0.000 36.000
Wastage 0.000 25.000
EPC = 8.167 * Average rolls
Wastage = EPC - pips
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