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demo/digraph.lgf
author Peter Kovacs <kpeter@inf.elte.hu>
Tue, 15 Mar 2011 19:32:21 +0100
changeset 936 ddd3c0d3d9bf
permissions -rw-r--r--
Implement the scaling Price Refinement heuristic in CostScaling (#417)
instead of Early Termination.

These two heuristics are similar, but the newer one is faster
and not only makes it possible to skip some epsilon phases, but
it can improve the performance of the other phases, as well. 
     1 @nodes

     2 label

     3 0

     4 1

     5 2

     6 3

     7 4

     8 5

     9 6

    10 7

    11 @arcs

    12 		label capacity

    13 0 	1 	0  	  16

    14 0 	2 	1 	  12

    15 0 	3 	2 	  20

    16 1 	2 	3 	  10

    17 1 	4 	4 	  10

    18 1 	5 	5 	  13

    19 2 	3 	6 	  10

    20 2 	4 	7 	  8

    21 2 	6 	8 	  8

    22 5 	3 	9 	  20

    23 3 	6 	10 	  25

    24 4 	7 	11 	  15

    25 5 	7 	12 	  15

    26 6 	7 	13 	  18

    27 @attributes

    28 source 0

    29 target 7
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