sim_aux.cc

题描述的是一个旅行商要到几个城市去

/* $Id: sim_aux.cc,v 1.1 2006-08-09 15:20:54 jonathan Exp $
 */

#include "sim.h"

#ifdef DEBUG
bool debug;
#endif

bool contains (set<int> theSet, int theKey) {
  set<int>::const_iterator setIter = theSet.find(theKey);
  if (setIter == theSet.end())
    return false;
  return true;
}

bool contains (set<double> theSet, double theKey) {
  set<double>::const_iterator setIter = theSet.find(theKey);
  if (setIter == theSet.end())
    return false;
  return true;
}

void openInputFile (FILE *&fp, char *filename) {
  if ((fp = fopen(filename, "r")) == NULL) {
    printf("%s: file open error.\n", filename);
    exit (-1);
  }
}

void closeInputFile (FILE *&fp) {
  // for some reason, fclose hangs.
  fclose (fp);
}

void openOutputFile (FILE *&fp, char *prefix, char *suffix) {
  char *filename;
  int fileLength = strlen(prefix)+strlen(suffix)+1;

  filename = new char [fileLength];
  memset (filename,0,fileLength);
  sprintf (filename, "%s%s", prefix, suffix);
  if ((fp = fopen(filename, "w")) == NULL) {
    printf("%s: file open error.\n", filename);
    exit (-1);
  }
  delete [] filename;
  //  return fp;
}

void openOutputFile (FILE *&fp, char *prefix, char *suffix, int round) {
  char *filename;
  int fileLength = strlen(prefix)+strlen(suffix)+32;

  filename = new char [fileLength];
  memset (filename,0,fileLength);
  sprintf (filename, "%s%05d%s", prefix, round, suffix);
  if ((fp = fopen(filename, "w")) == NULL) {
    printf("%s: file open error.\n", filename);
    exit (-1);
  }
  delete [] filename;
}

void closeOutputFile (FILE *fp) {
  fclose (fp);
  fp = NULL;
}