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1 | < | #ifndef _UTILITY_H_ |
2 | < | #define _UTILITY_H_ |
3 | < | #include <vector> |
4 | < | #include <math.h> |
5 | < | using namespace std; |
6 | < | double dotProduct(vector<double>& v1, vector<double>& v2); |
7 | < | double copysign(double sign, double value); |
8 | < | #endif |
1 | > | #ifndef _UTILITY_H_ |
2 | > | #define _UTILITY_H_ |
3 | > | #include <vector> |
4 | > | #include <math.h> |
5 | > | using namespace std; |
6 | > | double dotProduct(vector<double>& v1, vector<double>& v2); |
7 | > | double norm2(vector<double>& x); |
8 | > | #endif |
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