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comparison interps/c-intercal/pit/iching.doc @ 996:859f9b4339e6
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| author | HackBot |
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| date | Sun, 09 Dec 2012 19:30:08 +0000 |
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| 995:6883f5911eb7 | 996:859f9b4339e6 |
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| 1 | |
| 2 Notes on iching1.i and iching2.i: | |
| 3 | |
| 4 Both versions (1 and 2) use the same code for generating lines of the | |
| 5 hexagram, a simulation of the "coin oracle" method. (Six separate | |
| 6 unconditional calls to (1020) were used since I thought lumping them | |
| 7 all together by starting .1 at #6 would be disrespectful.) | |
| 8 Implementation of the yarrow-stalk oracle is left as an exercise for | |
| 9 the student. Note that in converting the numbers from the program into | |
| 10 the lines of a hexagram, one should work from the bottom up. The last | |
| 11 number gives the top line. | |
| 12 | |
| 13 The traditional sequence of the hexagrams does not have a consistent | |
| 14 mathematical explanation. Version 2 of the program therefore uses a | |
| 15 lookup table to determine the number of each hexagram in sequence. The | |
| 16 six lines are printed as in version 1, then the sequence number for the | |
| 17 hexagram, and finally the sequence number for the derived hexagram | |
| 18 obtained by replacing moving lines (9 and 6) by their opposites. | |
| 19 | |
| 20 Louis Howell | |
| 21 September 10, 1996 |