Re: Way to sort in C++, how? 4 cases

http://www1.minpic.de/bild_anzeigen.php?id=72043&key=73473177&ende

Hello together,

I have a big problem.
I have 4 cases about the way.
Please see the picture.

Problem:
My code is not working. I don't know why.
Can somebody help me.

C++ Application

Why not work with new?
http://www1.minpic.de/bild_anzeigen.php?id=72120&key=75625063&ende

Must I cast something?
http://www1.minpic.de/bild_anzeigen.php?id=72121&key=83688059&ende

Debug output
http://www1.minpic.de/bild_anzeigen.php?id=72122&key=94859995&ende

With best regards Andreas
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Sort_Wege.cpp : Definiert den Einstiegspunkt f?r die Konsolenanwendung.
//

#include "stdafx.h"
#include "Sort_Wege.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

// Das einzige Anwendungsobjekt

CWinApp theApp;

using namespace std;

#pragma once
#include <vector>
#include <algorithm>

typedef class CSortWay
{
public:
 CSortWay(){}
 ~CSortWay(){}
 typedef std::vector<CSortWay *> LstResult;
public:
 double m_x;
 double m_y;

 static double SqrtSort(const CSortWay *var1,const CSortWay *var2)
 {
    register double x1 = var1->m_x;
    register double y1 = var1->m_y;

    register double x2 = var2->m_x;
    register double y2 = var2->m_y;

    return( (x1*x1 + y1*y1) < (x2*x2 + y2*y2) );
 }
}CSORTWAY;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
int nRetCode = 0;

// MFC initialisieren und drucken. Bei Fehlschlag Fehlermeldung aufrufen.
if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
{
// TODO: Den Fehlercode an Ihre Anforderungen anpassen.
_tprintf(_T("Schwerwiegender Fehler bei der MFC-Initialisierung\n"));
nRetCode = 1;
}
else
{

//1 10 10
//2 10 20
//3 10 30
//4 10 40
//5 20 40
//6 20 30
//7 20 20
//8 20 10
//9 30 10
//10 30 20
//11 30 30
//12 30 40
//13 40 40
//14 40 30
//15 40 20
//16 40 10
//17 50 10
//18 50 20
//19 50 30
//20 50 40
         CSortWay::LstResult mylistSortWay;

CSortWay obj; //= new CSortWay();
obj.m_x = 10;
obj.m_y = 10;
mylistSortWay.push_back(&obj);
         obj.m_x = 10;
obj.m_y = 20;
mylistSortWay.push_back(&obj);
obj.m_x = 10;
obj.m_y = 30;
mylistSortWay.push_back(&obj);
obj.m_x = 10;
obj.m_y = 40;
mylistSortWay.push_back(&obj);

obj.m_x = 20;
obj.m_y = 10;
mylistSortWay.push_back(&obj);
         obj.m_x = 20;
obj.m_y = 20;
mylistSortWay.push_back(&obj);
obj.m_x = 20;
obj.m_y = 30;
mylistSortWay.push_back(&obj);
obj.m_x = 20;
obj.m_y = 40;
mylistSortWay.push_back(&obj);

obj.m_x = 30;
obj.m_y = 10;
mylistSortWay.push_back(&obj);
         obj.m_x = 30;
obj.m_y = 20;
mylistSortWay.push_back(&obj);
obj.m_x = 30;
obj.m_y = 30;
mylistSortWay.push_back(&obj);
obj.m_x = 40;
obj.m_y = 40;
mylistSortWay.push_back(&obj);

obj.m_x = 50;
obj.m_y = 10;
mylistSortWay.push_back(&obj);
         obj.m_x = 50;
obj.m_y = 20;
mylistSortWay.push_back(&obj);
obj.m_x = 50;
obj.m_y = 30;
mylistSortWay.push_back(&obj);
obj.m_x = 50;
obj.m_y = 40;
mylistSortWay.push_back(&obj);

std::sort(mylistSortWay.begin(),
       mylistSortWay.end(),
   CSortWay::SqrtSort);

  for ( register CSortWay::LstResult::iterator
it2(mylistSortWay.begin());
       it2!=mylistSortWay.end();
   it2++ )
  {
     /* printf("Pos=%d x= %7.2f, y=%7.2f\r\n",
            it2,
(*it2).m_x,
(*it2).m_y);*/
  }
}

return nRetCode;
}