datalogger.h

C++编程思想的源代码。需要的朋友就下载吧。都是已经写好了的源代码。

//: C04:DataLogger.h
// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
// (c) 1995-2004 MindView, Inc. All Rights Reserved.
// See source code use permissions stated in the file 'License.txt',
// distributed with the code package available at www.MindView.net.
// Datalogger record layout.
#ifndef DATALOG_H
#define DATALOG_H
#include <ctime>
#include <iosfwd>
#include <string>
using std::ostream;

struct Coord {
  int deg, min, sec;
  Coord(int d = 0, int m = 0, int s = 0)
  : deg(d), min(m), sec(s) {}
  std::string toString() const;
};

ostream& operator<<(ostream&, const Coord&);

class DataPoint {
  std::time_t timestamp; // Time & day
  Coord latitude, longitude;
  double depth, temperature;
public:
  DataPoint(std::time_t ts, const Coord& lat,
            const Coord& lon, double dep, double temp)
  : timestamp(ts), latitude(lat), longitude(lon),
      depth(dep), temperature(temp) {}
  DataPoint() : timestamp(0), depth(0), temperature(0) {}
  friend ostream& operator<<(ostream&, const DataPoint&);
};
#endif // DATALOG_H ///:~