From 265b60bbfd94b3cc50c3c234a70407448aeb84f9 Mon Sep 17 00:00:00 2001
From: Peter Caspers <peter.caspers@acadia.inc>
Date: Sun, 12 Nov 2023 11:20:43 +0100
Subject: [PATCH] add check whether sequence length is exhausted

---
 ql/math/randomnumbers/burley2020sobolrsg.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ql/math/randomnumbers/burley2020sobolrsg.cpp b/ql/math/randomnumbers/burley2020sobolrsg.cpp
index f395a788d3e..ec441ee21b7 100644
--- a/ql/math/randomnumbers/burley2020sobolrsg.cpp
+++ b/ql/math/randomnumbers/burley2020sobolrsg.cpp
@@ -19,6 +19,7 @@
 
 #include <ql/math/randomnumbers/burley2020sobolrsg.hpp>
 #include <ql/math/randomnumbers/mt19937uniformrng.hpp>
+#include <ql/errors.hpp>
 
 namespace QuantLib {
 
@@ -136,7 +137,8 @@ namespace QuantLib {
                     nested_uniform_scramble(integerSequence_[i], static_cast<std::uint32_t>(seed));
             }
         } while (i < dimensionality_);
-        ++nextSequenceCounter_;
+        QL_REQUIRE(++nextSequenceCounter_ != 0,
+                   "Burley2020SobolRsg::nextIn32Sequence(): period exceeded");
         return integerSequence_;
     }