source:
pacpussensors/trunk/Vislab/lib3dv-1.2.0/lib3dv/eigen/bench/bench_sum.cpp@
148
Last change on this file since 148 was 136, checked in by , 8 years ago | |
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File size: 320 bytes |
Rev | Line | |
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[136] | 1 | #include <iostream> |
2 | #include <Eigen/Core> | |
3 | using namespace Eigen; | |
4 | using namespace std; | |
5 | ||
6 | int main() | |
7 | { | |
8 | typedef Matrix<SCALAR,Eigen::Dynamic,1> Vec; | |
9 | Vec v(SIZE); | |
10 | v.setZero(); | |
11 | v[0] = 1; | |
12 | v[1] = 2; | |
13 | for(int i = 0; i < 1000000; i++) | |
14 | { | |
15 | v.coeffRef(0) += v.sum() * SCALAR(1e-20); | |
16 | } | |
17 | cout << v.sum() << endl; | |
18 | } |
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