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              : /* 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         3276 : geqo_copy(PlannerInfo *root, Chromosome *chromo1, Chromosome *chromo2,
      46              :           int string_length)
      47              : {
      48              :     int         i;
      49              : 
      50        11556 :     for (i = 0; i < string_length; i++)
      51         8280 :         chromo1->string[i] = chromo2->string[i];
      52              : 
      53         3276 :     chromo1->worth = chromo2->worth;
      54         3276 : }