1 | /*------------------------------------------------------------------------ |
2 | * |
3 | * geqo_copy.c |
4 | * |
5 | * Portions Copyright (c) 1996-2019, 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 | /* contributed by: |
14 | =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= |
15 | * Martin Utesch * Institute of Automatic Control * |
16 | = = University of Mining and Technology = |
17 | * utesch@aut.tu-freiberg.de * Freiberg, Germany * |
18 | =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= |
19 | */ |
20 | |
21 | /* this is adopted from D. Whitley's Genitor algorithm */ |
22 | |
23 | /*************************************************************/ |
24 | /* */ |
25 | /* Copyright (c) 1990 */ |
26 | /* Darrell L. Whitley */ |
27 | /* Computer Science Department */ |
28 | /* Colorado State University */ |
29 | /* */ |
30 | /* Permission is hereby granted to copy all or any part of */ |
31 | /* this program for free distribution. The author's name */ |
32 | /* and this copyright notice must be included in any copy. */ |
33 | /* */ |
34 | /*************************************************************/ |
35 | |
36 | #include "postgres.h" |
37 | #include "optimizer/geqo_copy.h" |
38 | |
39 | /* geqo_copy |
40 | * |
41 | * copies one gene to another |
42 | * |
43 | */ |
44 | void |
45 | geqo_copy(PlannerInfo *root, Chromosome *chromo1, Chromosome *chromo2, |
46 | int string_length) |
47 | { |
48 | int i; |
49 | |
50 | for (i = 0; i < string_length; i++) |
51 | chromo1->string[i] = chromo2->string[i]; |
52 | |
53 | chromo1->worth = chromo2->worth; |
54 | } |
55 | |