1 files changed, 11 insertions, 0 deletions
diff --git a/hadamard_mcmc.hpp b/hadamard_mcmc.hpp
index 107622a..634b822 100644
--- a/hadamard_mcmc.hpp
+++ b/hadamard_mcmc.hpp
@@ -68,6 +68,17 @@ public:
       }
     }
   }
+
+  double operator*(const Orthogonal& o2) const {
+    const Orthogonal& o1 = *this;
+    double total = 0;
+    for (unsigned i = 0; i < this->size(); i++) {
+      for (unsigned j = 0; j < this->size(); j++) {
+        total += o1(i, j) * o2(i, j);
+      }
+    }
+    return total;
+  }
 };
 
 class Givens {