geqo_gene.h

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/*-------------------------------------------------------------------------
 *
 * geqo_gene.h
 *    genome representation in optimizer/geqo
 *
 * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/optimizer/geqo_gene.h
 *
 *-------------------------------------------------------------------------
 */
 
/*
 * contributed by:
 * =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
 * *  Martin Utesch              * Institute of Automatic Control      *
 * =                             = University of Mining and Technology =
 * *  utesch@aut.tu-freiberg.de  * Freiberg, Germany                   *
 * =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
 */
 
 
#ifndef GEQO_GENE_H
#define GEQO_GENE_H
 
#include "nodes/nodes.h"
 
/*
 * we presume that int instead of Relid
 * is o.k. for Gene; so don't change it!
 */
typedef int Gene;
 
typedef struct Chromosome
{
    Gene       *string;
    Cost        worth;
} Chromosome;
 
typedef struct Pool
{
    Chromosome *data;
    int         size;
    int         string_length;
} Pool;
 
#endif                          /* GEQO_GENE_H */