From f0ef1fd39ebb90689182129b689144ab71e8948c Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Thu, 17 Apr 2025 20:01:38 +0100
Subject: [PATCH] Add missing file!

---
 test/git_issue_1247.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 test/git_issue_1247.cpp

diff --git a/test/git_issue_1247.cpp b/test/git_issue_1247.cpp
new file mode 100644
index 000000000..99c49681f
--- /dev/null
+++ b/test/git_issue_1247.cpp
@@ -0,0 +1,21 @@
+//  (C) Copyright John Maddock 2025.
+//  Use, modification and distribution are subject to the
+//  Boost Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// See also: https://godbolt.org/z/nhMsKb8Yr
+
+#include <boost/math/special_functions/beta.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+int main()
+{
+   float a = 1e-20;
+   float b = 1e-21;
+   float z = 0.5;
+   float p = boost::math::ibeta(a, b, z, boost::math::policies::make_policy(boost::math::policies::promote_float<false>()));
+
+   BOOST_TEST(p != 0);
+
+   return boost::report_errors();
+}