Squashed 'third_party/eigen/' changes from 61d72f6..cf794d3
Change-Id: I9b814151b01f49af6337a8605d0c42a3a1ed4c72
git-subtree-dir: third_party/eigen
git-subtree-split: cf794d3b741a6278df169e58461f8529f43bce5d
diff --git a/doc/examples/make_circulant.cpp.main b/doc/examples/make_circulant.cpp.main
new file mode 100644
index 0000000..877f97f
--- /dev/null
+++ b/doc/examples/make_circulant.cpp.main
@@ -0,0 +1,8 @@
+int main()
+{
+ Eigen::VectorXd vec(4);
+ vec << 1, 2, 4, 8;
+ Eigen::MatrixXd mat;
+ mat = makeCirculant(vec);
+ std::cout << mat << std::endl;
+}