Revision: | 1490 |
Committed: | Fri Sep 24 04:16:43 2004 UTC (19 years, 11 months ago) by gezelter |
Original Path: | trunk/OOPSE-4/src/utils/Utility.cpp |
File size: | 468 byte(s) |
Log Message: | Import of OOPSE v. 2.0 |
# | Content |
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1 | #include "Utility.hpp" |
2 | #include <vector> |
3 | #include <iostream> |
4 | #include <math.h> |
5 | using namespace std; |
6 | |
7 | double dotProduct(vector<double>& v1, vector<double>& v2){ |
8 | double sum; |
9 | |
10 | sum = 0; |
11 | |
12 | if(v1.size() != v2.size()){ |
13 | cerr << "Utility Error: dimension of two vectors are not matched" << endl; |
14 | exit(-1); |
15 | } |
16 | |
17 | for(int i = 0; i < v1.size(); i++) |
18 | sum += v1[i]*v2[i]; |
19 | return sum; |
20 | } |
21 | |
22 | double norm2(vector<double>& x){ |
23 | return sqrt(dotProduct(x, x)); |
24 | } |
Name | Value |
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svn:executable | * |