使用映射增强二进制序列化，并在中的序列化时加倍崩溃

这是一个代表我的问题的示例。除非finalTime大于25，否则映射将完全串行化。在boost单元测试中，我收到了一个std:：exception输入流错误。此外，此代码使用polymorphic_text_archives也能很好地工作。读取地图时出错。

#include <fstream>
#include <iostream>
#define BOOST_ALL_DYN_LINK
#define BOOST_PARAMETER_MAX_ARITY 8
#include <boost/serialization/export.hpp>
#include <boost/archive/polymorphic_iarchive.hpp>
#include <boost/archive/polymorphic_oarchive.hpp>
#include <boost/archive/polymorphic_binary_iarchive.hpp>
#include <boost/archive/polymorphic_binary_oarchive.hpp>
#include <boost/static_assert.hpp>
#include <boost/serialization/map.hpp>
using namespace boost;
class DoubleTest
{
public:
    DoubleTest(double d)
    {
        this->Double = d;
    }
    DoubleTest()
    {
        this->Double = 0;
    }
    void serialize(boost::archive::polymorphic_iarchive & ar, const unsigned int)
    {
        ar & this->Double;
    }
    void serialize(boost::archive::polymorphic_oarchive & ar, const unsigned int)
    {
        ar & this->Double;
    }
    double Double;
};
int main(int argc, char** argv)
{
    const std::string fileName = "test.out";
    std::map<float, DoubleTest*> mymap;
    const int initialValue = 0;
    const int initialTime = 0;
    // A "finalTime" of 25 works. "26" does not.
    const int finalTime = 26;
    int value = 10;
    // Put values into the map.
    for(int time = initialTime; time < finalTime; time += 1)
    {
        value++;
        mymap[time] = new DoubleTest(value);
    }
    // Write a binary archive out.
    std::ofstream ofs(fileName.c_str());
    boost::archive::polymorphic_binary_oarchive oa(ofs);
    oa << mymap;
    ofs.flush();
    ofs.close();
    // Create a new map to read the binary archive into.
    std::map<float, DoubleTest*> mymap2;
    // Read in the new binary archive.
    std::ifstream ifs(fileName.c_str());
    boost::archive::polymorphic_binary_iarchive ia(ifs);
    ia >> mymap2;
    ifs.close();
    // Loop through the values to make sure they are correct.
    std::map<float, DoubleTest*>::iterator it; 
    for(it = mymap2.begin(); it != mymap2.end(); ++it)
    {
        std::cout << "Key: " << it->first << " ";
        std::cout << "Value: " << it->second->Double << 'n';
    }
    int pause;
    std::cin >> pause;
}