From 4923b7996d55b48ca617da5f698d0437b6133ed6 Mon Sep 17 00:00:00 2001
From: Yi Jiang <yijiangcontact@gmail.com>
Date: Thu, 4 Jan 2024 19:15:18 -0500
Subject: [PATCH] Shouldn't subtract 1, what was I thinking?

---
 ql/models/parameter.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ql/models/parameter.hpp b/ql/models/parameter.hpp
index a2ed1dba7dd..2ce1f99007c 100644
--- a/ql/models/parameter.hpp
+++ b/ql/models/parameter.hpp
@@ -124,7 +124,7 @@ namespace QuantLib {
 
             Real value(const Array& params, Time t) const override {
                 Size i = std::upper_bound(times_.begin(), times_.end(), t) - times_.begin();
-                return params[i-(i!=0)];
+                return params[i];
             }
 
           private: