restart.c

改编过的遗传算法

/*
 *  GENESIS  Copyright (c) 1986, 1990 by John J. Grefenstette
 *  This program may be freely copied for educational
 *  and research purposes.  All other rights reserved.
 *
 *  file:	restart.c
 *
 *  purpose:	restart an interupted GA run.
 *
 *  modified:	13 feb 86
 *
 *		12 nov 86:  pass Length to Pack()
 */

#include "extern.h"
extern void Readbest();


Restart()
{
	FILE *fp, *fopen();
	int i;
	char msg[40];

	Trace("Restart entered");

	fp = fopen(Ckptfile, "r");
	if (fp == NULL) 
	{
		sprintf(msg,"Restart: Ckptfile %s not found",
			Ckptfile);
		Error(msg);
	}

	fscanf(fp, "Experiment %d ", &Experiment);
	fscanf(fp, "Totonline %lf ", &Totonline);
	fscanf(fp, "Totoffline %lf ", &Totoffline);
	fscanf(fp, "Gen %d ",  &Gen);
	fscanf(fp, "Onsum  %lf ", &Onsum);
	fscanf(fp, "Offsum %lf ", &Offsum);
	fscanf(fp, "Trials %d ", &Trials);
	fscanf(fp, "Plateau %d ", &Plateau);
	fscanf(fp, "Best  %lf ", &Best);
	fscanf(fp, "Worst  %lf ", &Worst);
	fscanf(fp, "Spin %d ", &Spin);
	fscanf(fp, "Curr_dump %d ", &Curr_dump);
	fscanf(fp, "Mu_next %d ", &Mu_next);
	fscanf(fp," Random Seed %lu ", &Seed);
	fscanf(fp, " Initialization Seed %lu ", &Initseed);

	fscanf(fp, " Window ");
	for (i=0; i<Windowsize; i++) fscanf(fp, "%lf", &Window[i]);

	for (i=0; i<Popsize; i++)
	{
		fscanf(fp, "%s", Bitstring);
		fscanf(fp, " %lf ", &New[i].Perf);
		Pack(Bitstring, New[i].Gene, Length);
		fscanf(fp, " %d ", &New[i].Needs_evaluation);
	}
	fclose(fp);

	if (Totalexperiments > 1)
	sprintf(Bestfile, "%s.%d", Minfile, Experiment+1);

	Readbest();

	Trace("Restart completed");
}

/** end of file **/