Fix missing evaluator in outer-product

1 files changed, 10 insertions, 0 deletions

diff --git a/test/product_small.cpp b/test/product_small.cpp
index 8b132abb6..091955a0f 100644
--- a/test/product_small.cpp
+++ b/test/product_small.cpp
@@ -9,6 +9,7 @@
 
 #define EIGEN_NO_STATIC_ASSERT
 #include "product.h"
+#include <Eigen/LU>
 
 // regression test for bug 447
 void product1x1()
@@ -46,5 +47,14 @@ void test_product_small()
     Vector3f v = Vector3f::Random();
     VERIFY_IS_APPROX( (v * v.transpose()) * v, (v * v.transpose()).eval() * v);
   }
+  
+  {
+    // regression test for pull-request #93
+    Eigen::Matrix<double, 1, 1> A;  A.setRandom();
+    Eigen::Matrix<double, 18, 1> B; B.setRandom();
+    Eigen::Matrix<double, 1, 18> C; C.setRandom();
+    VERIFY_IS_APPROX(B * A.inverse(), B * A.inverse()[0]);
+    VERIFY_IS_APPROX(A.inverse() * C, A.inverse()[0] * C);
+  }
 #endif
 }