uni-m.cds-adv-prog/ex6.1/bubble_sort_int.cpp

/*
 * Bubble sort some lists by exploiting templates
 *
 */
#include <iostream>
#include <cstring>


#define LIST_SIZE 10
template<class T>
void display( T t[], int n );

template<class T>
void sort( T* A, const int size );

template<class T>
void order( T& a, T& b );


int main() {
	int list[LIST_SIZE] = { 2295, 14500, 9127, 23079, 20612, 5571, 21959, 10032, 18339, 16673 };
	float flist[LIST_SIZE] = { 835.2, 3248.8, 0.1213123, 8.234234, 8242.25823, 802348234.8, .9123812414, 0.00000001, 842, 10000000 };
	const char* clist[LIST_SIZE] = { 
		"b", 
		"cccccccccc", 
		"aaabcd", 
		"axefsaf", 
		"poqkud", 
		"6xnj439yu", 
		"nullieksj", 
		"bell", 
		"uuisdjk",
		"aaaaaaa", 
	};

	// Print the original
	std::cout << "Original: ";
	display(list, LIST_SIZE);
	std::cout << std::endl;

	// sort it
	sort( list, LIST_SIZE );

	// Print it
	std::cout << "Sorted: ";
	display(list, LIST_SIZE);
	std::cout << std::endl;


	// Doing Floats

	// Print the original
	std::cout << "Original: ";
	display(flist, LIST_SIZE);
	std::cout << std::endl;

	// sort it
	sort( flist, LIST_SIZE );

	// Print it
	std::cout << "Sorted: ";
	display(flist, LIST_SIZE);
	std::cout << std::endl;


	// Doing Chars


	// Print the original
	std::cout << "Original: ";
	display(clist, LIST_SIZE);
	std::cout << std::endl;

	// sort it
	sort( clist, LIST_SIZE );

	// Print it
	std::cout << "Sorted: ";
	display(clist, LIST_SIZE);
	std::cout << std::endl;


	return 0;
}
template<class T>
void display( T t[], int n) {
	for( int i = 0; i < n ; i++ )
	{
		if ( i != 0 )
		{
			std::cout << ", ";
		}

		std::cout << t[i];
	}

}

template<class T>
void sort( T* A, const int size ) {
	for (int i = 0 ; i < size ; i++ ) {
		for (int j = 0 ; j < size - 1 ; j++) {
			order( A[ i ], A[ j ] );
		}
	}
}

template<class T>
void order( T& a, T& b ) {
	// b is greater or equal to a, do nothing
	if ( a < b ) {
		return;
	}
	
	T tmp = a;
	a = b;
	b = tmp;
}

template<>
void order( const char* &a, const char* &b ) {
	if ( strcmp(a, b) <= 0 ) {
		return ;
	}

	const char* tmp = a;
	a = b;
	b = tmp;
}