TLA  Line data    Source code

       1                 : /*------------------------------------------------------------------------
       2                 :  *
       3                 :  * geqo_copy.c
       4                 :  *
       5                 :  * Portions Copyright (c) 1996-2023, 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 CBC         576 : geqo_copy(PlannerInfo *root, Chromosome *chromo1, Chromosome *chromo2,
      46                 :           int string_length)
      47                 : {
      48                 :     int         i;
      49                 : 
      50            3456 :     for (i = 0; i < string_length; i++)
      51            2880 :         chromo1->string[i] = chromo2->string[i];
      52                 : 
      53             576 :     chromo1->worth = chromo2->worth;
      54             576 : }