From 52b76ef69befc65a458e10cf49399eb21ec8f012 Mon Sep 17 00:00:00 2001
From: Auto Differentiation Dev Team
 <107129969+auto-differentiation-dev@users.noreply.github.com>
Date: Thu, 18 Jul 2024 07:37:50 +0000
Subject: [PATCH] Correct type conversion in additionalResults

---
 ql/pricingengines/swaption/blackswaptionengine.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ql/pricingengines/swaption/blackswaptionengine.hpp b/ql/pricingengines/swaption/blackswaptionengine.hpp
index 50bd9b96d2c..5b74fafbb60 100644
--- a/ql/pricingengines/swaption/blackswaptionengine.hpp
+++ b/ql/pricingengines/swaption/blackswaptionengine.hpp
@@ -323,7 +323,7 @@ namespace QuantLib {
             w, strike, atmForward, stdDev, annuity, displacement);
         results_.additionalResults["timeToExpiry"] = exerciseTime;
         results_.additionalResults["impliedVolatility"] = Real(stdDev / std::sqrt(exerciseTime));
-        results_.additionalResults["forwardPrice"] = results_.value / discountCurve_->discount(exerciseDate);
+        results_.additionalResults["forwardPrice"] = Real(results_.value / discountCurve_->discount(exerciseDate));
     }
 
     }  // namespace detail