geqo_copy.c

来自「PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统」· C语言 代码 · 共 54 行

/*------------------------------------------------------------------------
 *
 * geqo_copy.c
 *
 * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * $PostgreSQL: pgsql/src/backend/optimizer/geqo/geqo_copy.c,v 1.15 2004/12/31 21:59:58 pgsql Exp $
 *
 *-------------------------------------------------------------------------
 */

/* contributed by:
   =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
   *  Martin Utesch				 * Institute of Automatic Control	   *
   =							 = University of Mining and Technology =
   *  [e-mail]  * Freiberg, Germany				   *
   =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
 */

/* this is adopted from D. Whitley's Genitor algorithm */

/*************************************************************/
/*															 */
/*	Copyright (c) 1990										 */
/*	Darrell L. Whitley										 */
/*	Computer Science Department								 */
/*	Colorado State University								 */
/*															 */
/*	Permission is hereby granted to copy all or any part of  */
/*	this program for free distribution.   The author's name  */
/*	and this copyright notice must be included in any copy.  */
/*															 */
/*************************************************************/

#include "postgres.h"
#include "optimizer/geqo_copy.h"

/* geqo_copy
 *
 *	 copies one gene to another
 *
 */
void
geqo_copy(Chromosome *chromo1, Chromosome *chromo2, int string_length)
{
	int			i;

	for (i = 0; i < string_length; i++)
		chromo1->string[i] = chromo2->string[i];

	chromo1->worth = chromo2->worth;
}