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Above-average TSP estimater w/ no strict dependencies

Home Page: https://t145.github.io/salesman

License: GNU Affero General Public License v3.0

Java 99.62% Python 0.38%
algorithm traveling-salesman solution graph distance thought java-8

traveling-salesman's Introduction

traveling-salesman's People

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traveling-salesman's Issues

BUG: Perfectly flat line cases misplace the last collision

Example output:

Hello World!

Input Graph:
{ X: 1.0; Y: 1.0 }
{ X: 2.0; Y: 1.0 }
{ X: 3.0; Y: 1.0 }
{ X: 4.0; Y: 1.0 }
{ X: 5.0; Y: 1.0 }
{ X: 6.0; Y: 1.0 }
{ X: 7.0; Y: 1.0 }
{ X: 8.0; Y: 1.0 }

Sorted Graph:
{ X: 1.0; Y: 1.0 }
{ X: 2.0; Y: 1.0 }
{ X: 3.0; Y: 1.0 }
{ X: 4.0; Y: 1.0 }
{ X: 5.0; Y: 1.0 }
{ X: 6.0; Y: 1.0 }
{ X: 7.0; Y: 1.0 }
{ X: 8.0; Y: 1.0 }

 --- SHORTEST PATH ---
Processing leftovers: { X: 4.0; Y: 1.0 }
Distance: 16.0; Index: 1
Distance: 12.0; Index: 3
Distance: 14.0; Index: 4
Processing leftovers: { X: 6.0; Y: 1.0 }
Distance: 16.0; Index: 3
Distance: 18.0; Index: 2
Distance: 20.0; Index: 1
Distance: 12.0; Index: 5
Distance: 14.0; Index: 4
Processing leftovers: { X: 8.0; Y: 1.0 }
Distance: 16.0; Index: 5
Distance: 18.0; Index: 4
Distance: 20.0; Index: 3
Distance: 22.0; Index: 2
Distance: 24.0; Index: 1
Distance: 14.0; Index: 6
{ X: 1.0; Y: 1.0 }
{ X: 2.0; Y: 1.0 }
{ X: 3.0; Y: 1.0 }
{ X: 4.0; Y: 1.0 }
{ X: 5.0; Y: 1.0 }
{ X: 6.0; Y: 1.0 }
{ X: 8.0; Y: 1.0 }
{ X: 7.0; Y: 1.0 }

 --- VERIFICATION ---
Graph Length:	8
Solution Size:	8
VERIFIED: true

 --- FINAL PHASE ---
SOLUTION: 14.0

Gets the right answer; sqrt(49) * 2 = 14.0

BUG: Difficulty computing perfect squares

Example output:

Hello World!

Input Graph:
{ X: 1.0; Y: 1.0 }
{ X: 4.0; Y: 4.0 }
{ X: 1.0; Y: 4.0 }
{ X: 4.0; Y: 1.0 }

Sorted Graph:
{ X: 1.0; Y: 1.0 }
{ X: 1.0; Y: 4.0 }
{ X: 4.0; Y: 1.0 }
{ X: 4.0; Y: 4.0 }

 --- SHORTEST PATH ---
{ X: 1.0; Y: 1.0 }
{ X: 4.0; Y: 1.0 }
{ X: 1.0; Y: 4.0 }
{ X: 4.0; Y: 4.0 }

 --- VERIFICATION ---
Graph Length:	4
Solution Size:	4
VERIFIED: true

 --- FINAL PHASE ---
SOLUTION: 14.485281374238568

Correct solution: 12.0

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