Line data    Source code

       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         5460 : geqo_copy(PlannerInfo *root, Chromosome *chromo1, Chromosome *chromo2,
      48              :           int string_length)
      49              : {
      50              :     int         i;
      51              : 
      52        19260 :     for (i = 0; i < string_length; i++)
      53        13800 :         chromo1->string[i] = chromo2->string[i];
      54              : 
      55         5460 :     chromo1->worth = chromo2->worth;
      56         5460 : }