bug #1144: clarify the doc about aliasing in case of resizing and matrix product.

2 files changed, 10 insertions, 0 deletions

diff --git a/doc/snippets/TopicAliasing_mult4.cpp b/doc/snippets/TopicAliasing_mult4.cpp
new file mode 100644
index 000000000..8a8992f6c
--- /dev/null
+++ b/doc/snippets/TopicAliasing_mult4.cpp
@@ -0,0 +1,5 @@
+MatrixXf A(2,2), B(3,2);
+B << 2, 0,  0, 3, 1, 1;
+A << 2, 0, 0, -2;
+A = (B * A).cwiseAbs();
+cout << A;
\ No newline at end of file
diff --git a/doc/snippets/TopicAliasing_mult5.cpp b/doc/snippets/TopicAliasing_mult5.cpp
new file mode 100644
index 000000000..1a36defde
--- /dev/null
+++ b/doc/snippets/TopicAliasing_mult5.cpp
@@ -0,0 +1,5 @@
+MatrixXf A(2,2), B(3,2);
+B << 2, 0,  0, 3, 1, 1;
+A << 2, 0, 0, -2;
+A = (B * A).eval().cwiseAbs();
+cout << A;