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author | Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-01-05 10:57:14 +0000 |
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committer | Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-01-05 10:57:14 +0000 |
commit | d1d55e67e967a9bd0d447a7ea105ac2771cde557 (patch) | |
tree | 53e40f4b87664c47c67f0394bc617999ad64ecf3 /doc/benchmarkX.cpp | |
parent | 23ffede3d0d280962bad418a41957cf82e3fadc9 (diff) |
- make MatrixBase and all expressions aware of their preferred traversal order.
Honor this preference in operator=.
- add several methods to the API
- rework API for diagonal matrices
- add benchmarking code
Diffstat (limited to 'doc/benchmarkX.cpp')
-rw-r--r-- | doc/benchmarkX.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/benchmarkX.cpp b/doc/benchmarkX.cpp new file mode 100644 index 000000000..1670341e9 --- /dev/null +++ b/doc/benchmarkX.cpp @@ -0,0 +1,22 @@ +// g++ -O3 -DNDEBUG benchmarkX.cpp -o benchmarkX && time ./benchmarkX + +#include <Eigen/Core> + +using namespace std; +USING_PART_OF_NAMESPACE_EIGEN + +int main(int argc, char *argv[]) +{ + MatrixXd I = MatrixXd::identity(20); + MatrixXd m(20,20); + for(int i = 0; i < 20; i++) for(int j = 0; j < 20; j++) + { + m(i,j) = 0.1 * (i+20*j); + } + for(int a = 0; a < 1000000; a++) + { + m = I + 0.00005 * (m + m*m); + } + cout << m << endl; + return 0; +} |