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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. vector<float> CONV(vector<float>& Y, vector<float>& X)
  7. {
  8.  
  9. 	if (X.size() < Y.size()) X.resize(Y.size());
  10. 	else Y.resize(X.size());
  11.  
  12. 	int d1_size = X.size();
  13. 	int d2_size = Y.size();
  14. 	int R_size = d1_size + d2_size - 1;
  15.  
  16. 	vector<float> out(R_size);
  17.  
  18. 	//convolution process 
  19. 	for (int i = 0; i < R_size; ++i)
  20. 	{
  21. 		int d1_limit = (i < d1_size - 1) ? i : d1_size - 1;
  22. 		int d2_limit = (i < d2_size - 1) ? 0 : i - (d2_size - 1);
  23.  
  24. 		for (int j = d2_limit; j <= d1_limit; ++j)
  25. 		{
  26. 			out[i] += (X[j] * Y[i - j]);
  27. 		}
  28. 	}
  29.  
  30. //	for (int i =  R_size / 2; i < R_size; ++i)
  31. 	//	out.resize(R_size / 2);
  32. 	return out;
  33. }
  34.  
  35. int main()
  36. {
  37.  
  38. 	vector<float> v1(20, 0.5);
  39. 	vector<float> v2(20, 1);
  40. 	vector <float> V = CONV(v1, v2);
  41.  
  42. 	for(int i = 0; i < V.size(); i++)
  43. 	    cout << V[i] << endl;
  44. }
Success #stdin #stdout 0s 4536KB
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https://ideone.com/IRDSRk
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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