6 files changed, 6 insertions, 0 deletions
diff --git a/unsupported/doc/examples/BVH_Example.cpp b/unsupported/doc/examples/BVH_Example.cpp
index 0fbab5fdb..d135fd990 100644
--- a/unsupported/doc/examples/BVH_Example.cpp
+++ b/unsupported/doc/examples/BVH_Example.cpp
@@ -1,5 +1,6 @@
 #include <Eigen/StdVector>
 #include <unsupported/Eigen/BVH>
+#include <iostream>
 
 using namespace Eigen;
 typedef AlignedBox<double, 2> Box2d;
diff --git a/unsupported/doc/examples/FFT.cpp b/unsupported/doc/examples/FFT.cpp
index 55e29585a..fcbf81276 100644
--- a/unsupported/doc/examples/FFT.cpp
+++ b/unsupported/doc/examples/FFT.cpp
@@ -12,6 +12,7 @@
 #include <complex>
 #include <algorithm>
 #include <iterator>
+#include <iostream>
 #include <Eigen/Core>
 #include <unsupported/Eigen/FFT>
 
diff --git a/unsupported/doc/examples/MatrixExponential.cpp b/unsupported/doc/examples/MatrixExponential.cpp
index 801ee4d01..60ef315d7 100644
--- a/unsupported/doc/examples/MatrixExponential.cpp
+++ b/unsupported/doc/examples/MatrixExponential.cpp
@@ -1,4 +1,5 @@
 #include <unsupported/Eigen/MatrixFunctions>
+#include <iostream>
 
 using namespace Eigen;
 
diff --git a/unsupported/doc/examples/MatrixFunction.cpp b/unsupported/doc/examples/MatrixFunction.cpp
index 9b594cf39..ccef85cef 100644
--- a/unsupported/doc/examples/MatrixFunction.cpp
+++ b/unsupported/doc/examples/MatrixFunction.cpp
@@ -1,4 +1,5 @@
 #include <unsupported/Eigen/MatrixFunctions>
+#include <iostream>
 
 using namespace Eigen;
 
diff --git a/unsupported/doc/examples/MatrixSine.cpp b/unsupported/doc/examples/MatrixSine.cpp
index 2bbf99bbb..e85e6a754 100644
--- a/unsupported/doc/examples/MatrixSine.cpp
+++ b/unsupported/doc/examples/MatrixSine.cpp
@@ -1,4 +1,5 @@
 #include <unsupported/Eigen/MatrixFunctions>
+#include <iostream>
 
 using namespace Eigen;
 
diff --git a/unsupported/doc/examples/MatrixSinh.cpp b/unsupported/doc/examples/MatrixSinh.cpp
index 036534dea..89566d87a 100644
--- a/unsupported/doc/examples/MatrixSinh.cpp
+++ b/unsupported/doc/examples/MatrixSinh.cpp
@@ -1,4 +1,5 @@
 #include <unsupported/Eigen/MatrixFunctions>
+#include <iostream>
 
 using namespace Eigen;