geqo_recombination.h
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上传日期:2007-01-07
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- /*-------------------------------------------------------------------------
- *
- * geqo_recombination.h
- * prototypes for recombination in the genetic query optimizer
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: geqo_recombination.h,v 1.7 1999/02/13 23:21:48 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
- /* contributed by:
- =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
- * Martin Utesch * Institute of Automatic Control *
- = = University of Mining and Technology =
- * utesch@aut.tu-freiberg.de * Freiberg, Germany *
- =*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=
- */
- /* -- parts of this are adapted from D. Whitley's Genitor algorithm -- */
- #ifndef GEQO_RECOMBINATION_H
- #define GEQO_RECOMBINATION_H
- #include "optimizer/geqo_gene.h"
- extern void init_tour(Gene *tour, int num_gene);
- /* edge recombination crossover [ERX] */
- typedef struct Edge
- {
- Gene edge_list[4]; /* list of edges */
- int total_edges;
- int unused_edges;
- } Edge;
- extern Edge *alloc_edge_table(int num_gene);
- extern void free_edge_table(Edge *edge_table);
- extern float gimme_edge_table(Gene *tour1, Gene *tour2, int num_gene, Edge *edge_table);
- extern int gimme_tour(Edge *edge_table, Gene *new_gene, int num_gene);
- /* partially matched crossover [PMX] */
- #define DAD 1 /* indicator for gene from dad */
- #define MOM 0 /* indicator for gene from mom */
- extern void pmx(Gene *tour1, Gene *tour2, Gene *offspring, int num_gene);
- typedef struct City
- {
- int tour2_position;
- int tour1_position;
- int used;
- int select_list;
- } City;
- extern City *alloc_city_table(int num_gene);
- extern void free_city_table(City *city_table);
- /* cycle crossover [CX] */
- extern int cx(Gene *tour1, Gene *tour2, Gene *offspring, int num_gene, City *city_table);
- /* position crossover [PX] */
- extern void px(Gene *tour1, Gene *tour2, Gene *offspring, int num_gene, City *city_table);
- /* order crossover [OX1] according to Davis */
- extern void ox1(Gene *mom, Gene *dad, Gene *offspring, int num_gene, City *city_table);
- /* order crossover [OX2] according to Syswerda */
- extern void ox2(Gene *mom, Gene *dad, Gene *offspring, int num_gene, City *city_table);
- #endif /* GEQO_RECOMBINATION_H */