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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Execute-a-Markov-algorithm/Prolog/execute-a-markov-algorithm-2.pro Normal file
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:- use_module('markov.pl').
:- use_module(library(lambda)).
markov :-
maplist(\X^(call(X), nl,nl), [markov_1, markov_2, markov_3, markov_4, markov_5]).
markov_1 :-
A = ['# This rules file is extracted from Wikipedia:',
'# http://en.wikipedia.org/wiki/Markov_Algorithm',
'A -> apple',
'B -> bag',
'S -> shop',
'T -> the',
'the shop -> my brother',
'a never used -> .terminating rule'],
B = 'I bought a B of As from T S.',
apply_markov(A, B, R),
writeln(B),
writeln(R).
markov_2 :-
A = ['# Slightly modified from the rules on Wikipedia',
'A -> apple',
'B -> bag',
'S -> .shop',
'T -> the',
'the shop -> my brother',
'a never used -> .terminating rule'],
B = 'I bought a B of As from T S.',
apply_markov(A, B, R),
writeln(B),
writeln(R).
markov_3 :-
A = ['# BNF Syntax testing rules',
'A -> apple',
'WWWW -> with',
'Bgage -> ->.*',
'B -> bag',
'->.* -> money',
'W -> WW',
'S -> .shop',
'T -> the',
'the shop -> my brother',
'a never used -> .terminating rule'],
B = 'I bought a B of As W my Bgage from T S.',
apply_markov(A, B, R),
writeln(B),
writeln(R).
markov_4 :-
A = ['### Unary Multiplication Engine, for testing Markov Algorithm implementations',
'### By Donal Fellows.',
'# Unary addition engine',
'_+1 -> _1+',
'1+1 -> 11+',
'# Pass for converting from the splitting of multiplication into ordinary',
'# addition',
'1! -> !1',
',! -> !+',
'_! -> _',
'# Unary multiplication by duplicating left side, right side times',
'1*1 -> x,@y',
'1x -> xX',
'X, -> 1,1',
'X1 -> 1X',
'_x -> _X',
',x -> ,X',
'y1 -> 1y',
'y_ -> _',
'# Next phase of applying',
'1@1 -> x,@y',
'1@_ -> @_',
',@_ -> !_',
'++ -> +',
'# Termination cleanup for addition',
'_1 -> 1',
'1+_ -> 1',
'_+_ -> '],
B = '_1111*11111_',
apply_markov(A, B, R),
writeln(B),
writeln(R).
markov_5 :-
A = ['# Turing machine: three-state busy beaver',
'#',
'# state A, symbol 0 => write 1, move right, new state B',
'A0 -> 1B',
'# state A, symbol 1 => write 1, move left, new state C',
'0A1 -> C01',
'1A1 -> C11',
'# state B, symbol 0 => write 1, move left, new state A',
'0B0 -> A01',
'1B0 -> A11',
'# state B, symbol 1 => write 1, move right, new state B',
'B1 -> 1B',
'# state C, symbol 0 => write 1, move left, new state B',
'0C0 -> B01',
'1C0 -> B11',
'# state C, symbol 1 => write 1, move left, halt',
'0C1 -> H01',
'1C1 -> H11'],
B = '000000A000000',
apply_markov(A, B, R),
writeln(B),
writeln(R).