1 files changed, 5 insertions, 1 deletions
diff --git a/impl/Complete.hpp b/impl/Complete.hpp
index 38b637e..336ab24 100644
--- a/impl/Complete.hpp
+++ b/impl/Complete.hpp
@@ -55,7 +55,11 @@ struct Complete {
     return Complete<T>(- _value, _infinity);
   }
   Complete operator+(const Complete& other) const {
-    if (_infinity) {
+    if (_infinity && other._infinity) {
+      if (_value > 0 || other._value > 0)
+        return Complete<T>(1, true);
+      return Complete<T>(-1, true);
+    } else if (_infinity) {
       return *this;
     } else if (other._infinity) {
       return other;