fd048651b6
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@55 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
39 lines
1.1 KiB
Plaintext
39 lines
1.1 KiB
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.8.4
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Copyright (c) 1998-2001 Paulo Moura. All Rights Reserved.
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=================================================================
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% build a route by adding one town at a time:
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| ?- incremental::route([london, brighton, portsmouth, exeter, oxford, aberystwyth], Route).
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Route = oxford~london~portsmouth~brighton~exeter~aberystwyth ?
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yes
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% presort towns by geographical distance before using the incremental algorithm:
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| ?- presort::route([london, brighton, portsmouth, exeter, oxford, aberystwyth], Route).
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Route = brighton~london~oxford~portsmouth~exeter~aberystwyth ?
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yes
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% come home after the journey:
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| ?- circular::route([london, brighton, portsmouth, exeter, oxford, aberystwyth], Route).
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Route = london~brighton~portsmouth~exeter~aberystwyth~oxford~london ?
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yes
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% blind search by generating permutations of the list of towns:
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| ?- permute::route([london, brighton, portsmouth, exeter, oxford, aberystwyth], Route).
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Route = (aberystwyth~exeter~portsmouth~brighton~london~oxford,273.6237583942784) ?
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yes
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