Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/unsupported/doc/examples/MatrixPower_optimal.cpp b/unsupported/doc/examples/MatrixPower_optimal.cpp
new file mode 100644
index 0000000..86470ba
--- /dev/null
+++ b/unsupported/doc/examples/MatrixPower_optimal.cpp
@@ -0,0 +1,17 @@
+#include <unsupported/Eigen/MatrixFunctions>
+#include <iostream>
+
+using namespace Eigen;
+
+int main()
+{
+ Matrix4cd A = Matrix4cd::Random();
+ MatrixPower<Matrix4cd> Apow(A);
+
+ std::cout << "The matrix A is:\n" << A << "\n\n"
+ "A^3.1 is:\n" << Apow(3.1) << "\n\n"
+ "A^3.3 is:\n" << Apow(3.3) << "\n\n"
+ "A^3.7 is:\n" << Apow(3.7) << "\n\n"
+ "A^3.9 is:\n" << Apow(3.9) << std::endl;
+ return 0;
+}