Managed C++/CLI

// (in .h file)
namespace MyNameSpace
{
public __gc class CPoint
{
public:
       CPoint();
       ~CPoint();
       CPoint(float x, float y, float z);
     __property void  set_X(float x){ m_pPoint->m_x = x; }
     __property float get_X() {return m_pPoint->m_x;}
public private: 
 // some functions here
};

[code]
// File: prg3_1.cpp
// the program compares the efficiency of the sequential
// and binary search by timing algorithm execution using the
// timer class. two integer arrays list1 and list2
// of size ARRAY_SIZE are initialized with the same random
// integers in the range 0 to 999,999. initialize the array
// targetList having TARGET_SIZE elements to contain other
// random numbers in the same range. time the selection sort
// as it sorts list2 and output the result. using the
// elements in array targetList as target values for the
// sequential and binary searches, time each algorithm and
// output the results

#include <iostream>

#include "d_search.h"	// generic sequential and binary searches
#include "d_sort.h"		// generic selection sort
#include "d_random.h"	// random number generation
#include "d_timer.h"		// time events

using namespace std;

int main()
{	const int ARRAY_SIZE = 100000, TARGET_SIZE = 50000;

	// arrays for the search
   int list1[ARRAY_SIZE], list2[ARRAY_SIZE], targetList[TARGET_SIZE];
	int i;

	// t used for timing the search algorithms
	timer t;
	// random number object
	randomNumber rnd;

	// initialize the arrays with random numbers in the
   // range 0 to 999,999 
   for (i = 0; i < ARRAY_SIZE; i++)
		list1[i] = list2[i] = rnd.random(1000000);

	// initialize targetList with random numbers in the
   // same range 0 to 999,999 
	for (i=0;i < TARGET_SIZE; i++)
		targetList[i] = rnd.random(1000000);

	// sort list2
   cout << "Timing the Selection Sort" << endl;
	t.start();		// start timer
	selectionSort(list2,ARRAY_SIZE);
	t.stop();		// stop timer
	cout << "Selection Sort takes " << t.time()
		  << " seconds." << endl;

   cout << endl << "Timing the Sequential Search" << endl;
	t.start();		// start timer
	// perform sequential search with elements from list2
 	for (i = 0; i < TARGET_SIZE; i++)
		seqSearch(list1,0,ARRAY_SIZE,targetList[i]);
	t.stop();		// stop timer
	cout << "Sequential Search takes " << t.time()
		  << " seconds." << endl;

	cout << endl << "Timing the Binary Search" << endl;
	t.start();		// start timer
	// perform binary search with elements from list1
 	for (i = 0; i < TARGET_SIZE; i++)
		binSearch(list2,0,ARRAY_SIZE,targetList[i]);
	t.stop();		// stop timer
	cout << "Binary Search takes " << t.time()
		  << " seconds." << endl;

	return 0;
}

/*
Run:

Timing the Selection Sort
Selection Sort takes 126.912 seconds.

Timing the Sequential Search
Sequential Search takes 132.889 seconds.

Timing the Binary Search
Binary Search takes 0.08 seconds.
*/

[/code] </iostream>

[code]
#ifndef SEARCH_FUNCTIONS
#define SEARCH_FUNCTIONS

#include <vector>
#include <list>

using namespace std;

// perform a sequential search of an integer array for a target
// in the index range [first, last). return the index of a
// match or last if the target is not in arr
int seqSearch(const int arr[], int first, int last, int target);

// perform  asequential search for a target in the index range
// [first, last).  return the index of a match or last if the
// target is not in arr
template <typename t="">
int seqSearch(const T arr[], int first, int last, const T& target);

// perform a binary search of an integer array for a target
// in the index range [first, last). return the index of a
// match or last if the target is not in arr
int binSearch(const int arr[], int first, int last, int target);

// perform a binary search of an array for a target
// in the index range [first, last). return the index of a
// match or last if the target is not in arr
template <typename t="">
int binSearch(const T arr[], int first, int last, const T& target);

// vector version of the sequential search
template <typename t="">
int seqSearch(const vector<t>& v, int first, int last, const T& target);

// vector version of the binary search
template <typename t="">
int binSearch(const vector<t>& v, int first, int last, const T& target);

// perform the sequential search for target in the list
// iterator range [first, last). return an iterator pointing
// at the target in the list or last if target is not found
template <typename t="">
list<t>::iterator seqSearch(list<t>::iterator first,
									 list<t>::iterator last, const T& target);

// perform the sequential search for target in the container
// iterator range [first, last). return an iterator pointing
// at the target in the container or last if target is not
// found
template <typename iterator,="" typename="" t="">
Iterator find(Iterator first, Iterator last, const T& target);

// ***********************************************************
//      search function implementations
// ***********************************************************

int seqSearch(const int arr[], int first, int last, int target)
{
	int i;

   // scan indices in the range first <= i < last
	for(i=first; i < last; i++)
		if (arr[i] == target)
			return i;				// immediately return on a match

	return last;					// return last if target not found
}

template <typename t="">
int seqSearch(const T arr[], int first, int last, const T& target)
{
	int i;

   // scan indices in the range first <= i < last
	for(i=first; i < last; i++)
		if (arr[i] == target)	// assume T has the "==" operator
			return i;				// immediately return on a match

	return last;					// return last if target not found
}

int binSearch(const int arr[], int first, int last, int target)
{
	int mid;						// index of the midpoint
	int midValue;				// object that is assigned arr[mid]
	int origLast = last;		// save original value of last
	
	while (first < last)		// test for nonempty sublist
	{
		mid = (first+last)/2;
		midValue = arr[mid];
		if (target == midValue)
			return mid;			// have a match
      // determine which sublist to search
		else if (target < midValue)
			last = mid;			// search lower sublist. reset last
		else
			first = mid+1;		// search upper sublist. reset first
	}

	return origLast;			// target not found
}

template <typename t="">
int binSearch(const T arr[], int first, int last, const T& target)
{
	int mid;						// index of the midpoint
	T midValue;					// object that is assigned arr[mid]
	int origLast = last;		// save original value of last
	
	while (first < last)		// test for nonempty sublist
	{
		mid = (first+last)/2;
		midValue = arr[mid];
		if (target == midValue)
			return mid;			// have a match
      // determine which sublist to search
		else if (target < midValue)
			last = mid;			// search lower sublist. reset last
		else
			first = mid+1;		// search upper sublist. reset first
	}

	return origLast;			// target not found
}

template <typename t="">
int seqSearch(const vector<t>& v, int first, int last, const T& target)
{
	int i;

   // scan indices in the range first <= i < last
	for(i=first; i < last; i++)
		if (v[i] == target)		// assume T has the "==" operator
			return i;				// immediately return on a match

	return last;					// otherwise return last
}

template <typename t="">
int binSearch(const vector<t>& v, int first, int last, const T& target)
{
	int mid;						// index of the midpoint
	T midvalue;					// object that is assigned v[mid]
	int origLast = last;		// save original value of last
	
	while (first < last)		// test for nonempty sublist
	{
		mid = (first+last)/2;
		midvalue = v[mid];
		if (target == midvalue)
			return mid;			// have a match
      // determine which sublist to search
		else if (target < midvalue)
			last = mid;			// search lower sublist. reset last
		else
			first = mid+1;		// search upper sublist. reset first
	}

	return origLast;			// target not found
}

template <typename t="">
list<t>::iterator seqSearch(list<t>::iterator first,
									 list<t>::iterator last, const T& target)
{
	// start at location first
	list<t>::iterator iter = first;

	// compare list elements with item until either
	// we arrive at last or locate item 
	while(iter != last && !(*iter == target))
		iter++;

	// iter either points at item or is last
	return iter;
}

template <typename iterator,="" typename="" t="">
Iterator find(Iterator first, Iterator last, const T& target)
{
	Iterator iter = first;

	// scan iterator range [first, last), stopping
	// if the loop locates target
	while (iter != last && *iter != target)
		iter++;

	// if target located, iter points at it; otherwise
	// is has value last
	return iter;
}

#endif   // SEARCH_FUNCTIONS

[/code]</typename></t></t></t></t></typename></t></typename></t></typename></typename></typename></typename></t></t></t></typename></t></typename></t></typename></typename></typename></list></vector>

[code]
make all 
Building file: ../source/prg3_1.cpp
Invoking: GCC C++ Compiler
g++ -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"source/prg3_1.d" -MT"source/prg3_1.d" -o"source/prg3_1.o" "../source/prg3_1.cpp"
"../source/d_search.h:43: error: expected constructor, destructor, or type conversion before 'seqSearch'
"../source/d_search.h:164: error: expected constructor, destructor, or type conversion before 'seqSearch'
"../source/d_sort.h: In function 'void distribute(const std::vector<int, std::allocator<int=""> >&, std::queue<int, std::deque<int,="" std::allocator<int=""> > >*, int)':
"../source/d_sort.h:234: warning: comparison between signed and unsigned integer expressions
make: *** [source/prg3_1.o] Error 1

[/code]</int,></int,>

thanks in advance. 

this->myThread  = (gcnew System::Threading::Thread( <br />
gcnew System::Threading::ThreadStart( &MyClass::MyFunction)));