#include <iostream>
#include <ctime>
#include <iomanip>

using namespace std;

// Laboratorium 4
// Wyznaczanie iloczynu skalarnego

void print(int *p, int n){
	for (int i = 0; i < n; i++){
		cout << setw(4) << p[i] << " ";
	}
	cout << endl;
}

int main()
{
	srand((unsigned)time(0));
	int n = 5;
	int *a = new int[n];
	int *b = new int[n];
	int test = 0;
	int w = 0;

	for (int i = 0; i < n; i++){
		a[i] = rand() % 10;
		b[i] = rand() % 10;
		test += a[i] * b[i];
	}
	cout << "a: ";
	print(a, n);
	cout << "b: ";
	print(b, n);

	cout << endl;

	__asm {
		pushad
		pushfd

		mov esi, a
		mov edi, b
		mov ebx, 0
		mov ecx, n

	_petla:
		mov eax, dword ptr [esi + 4 * ecx - 4]
		imul eax, dword ptr [edi + 4 * ecx - 4]
		add ebx, eax

		loop _petla
			mov w, ebx

	    popfd
		popad
	}

	cout << "[C++]:" << test << endl;
	cout << "[ASM]:" << w << endl;

	delete[] a;
	delete[] b;

	system("pause");
	return 0;
}