00001 /*------------------------------------------------------------------------ 00002 * 00003 * geqo_copy.c 00004 * 00005 * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group 00006 * Portions Copyright (c) 1994, Regents of the University of California 00007 * 00008 * src/backend/optimizer/geqo/geqo_copy.c 00009 * 00010 *------------------------------------------------------------------------- 00011 */ 00012 00013 /* contributed by: 00014 =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= 00015 * Martin Utesch * Institute of Automatic Control * 00016 = = University of Mining and Technology = 00017 * [email protected] * Freiberg, Germany * 00018 =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*= 00019 */ 00020 00021 /* this is adopted from D. Whitley's Genitor algorithm */ 00022 00023 /*************************************************************/ 00024 /* */ 00025 /* Copyright (c) 1990 */ 00026 /* Darrell L. Whitley */ 00027 /* Computer Science Department */ 00028 /* Colorado State University */ 00029 /* */ 00030 /* Permission is hereby granted to copy all or any part of */ 00031 /* this program for free distribution. The author's name */ 00032 /* and this copyright notice must be included in any copy. */ 00033 /* */ 00034 /*************************************************************/ 00035 00036 #include "postgres.h" 00037 #include "optimizer/geqo_copy.h" 00038 00039 /* geqo_copy 00040 * 00041 * copies one gene to another 00042 * 00043 */ 00044 void 00045 geqo_copy(PlannerInfo *root, Chromosome *chromo1, Chromosome *chromo2, 00046 int string_length) 00047 { 00048 int i; 00049 00050 for (i = 0; i < string_length; i++) 00051 chromo1->string[i] = chromo2->string[i]; 00052 00053 chromo1->worth = chromo2->worth; 00054 }