/src/postgres/src/backend/optimizer/geqo/geqo_copy.c
Line | Count | Source |
1 | | /*------------------------------------------------------------------------ |
2 | | * |
3 | | * geqo_copy.c |
4 | | * |
5 | | * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group |
6 | | * Portions Copyright (c) 1994, Regents of the University of California |
7 | | * |
8 | | * src/backend/optimizer/geqo/geqo_copy.c |
9 | | * |
10 | | *------------------------------------------------------------------------- |
11 | | */ |
12 | | |
13 | | /* |
14 | | * contributed by: |
15 | | * =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= |
16 | | * * Martin Utesch * Institute of Automatic Control * |
17 | | * = = University of Mining and Technology = |
18 | | * * utesch@aut.tu-freiberg.de * Freiberg, Germany * |
19 | | * =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= |
20 | | */ |
21 | | |
22 | | /* this is adopted from D. Whitley's Genitor algorithm */ |
23 | | |
24 | | /*************************************************************/ |
25 | | /* */ |
26 | | /* Copyright (c) 1990 */ |
27 | | /* Darrell L. Whitley */ |
28 | | /* Computer Science Department */ |
29 | | /* Colorado State University */ |
30 | | /* */ |
31 | | /* Permission is hereby granted to copy all or any part of */ |
32 | | /* this program for free distribution. The author's name */ |
33 | | /* and this copyright notice must be included in any copy. */ |
34 | | /* */ |
35 | | /*************************************************************/ |
36 | | |
37 | | #include "postgres.h" |
38 | | #include "optimizer/geqo_copy.h" |
39 | | |
40 | | /* |
41 | | * geqo_copy |
42 | | * |
43 | | * copies one gene to another |
44 | | * |
45 | | */ |
46 | | void |
47 | | geqo_copy(PlannerInfo *root, Chromosome *chromo1, Chromosome *chromo2, |
48 | | int string_length) |
49 | 0 | { |
50 | 0 | int i; |
51 | |
|
52 | 0 | for (i = 0; i < string_length; i++) |
53 | 0 | chromo1->string[i] = chromo2->string[i]; |
54 | |
|
55 | 0 | chromo1->worth = chromo2->worth; |
56 | 0 | } |