X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ceph%2Fsrc%2Fboost%2Flibs%2Fmultiprecision%2Ftest%2Fgit_issue_426.cpp;fp=ceph%2Fsrc%2Fboost%2Flibs%2Fmultiprecision%2Ftest%2Fgit_issue_426.cpp;h=a905b97b76a693d7ad9e9f6014661343614e0cf1;hb=1e59de90020f1d8d374046ef9cca56ccd4e806e2;hp=0000000000000000000000000000000000000000;hpb=bd41e436e25044e8e83156060a37c23cb661c364;p=ceph.git

diff --git a/ceph/src/boost/libs/multiprecision/test/git_issue_426.cpp b/ceph/src/boost/libs/multiprecision/test/git_issue_426.cpp
new file mode 100644
index 000000000..a905b97b7
--- /dev/null
+++ b/ceph/src/boost/libs/multiprecision/test/git_issue_426.cpp
@@ -0,0 +1,50 @@
+///////////////////////////////////////////////////////////////////////////////
+//  Copyright 2019 John Maddock. Distributed under 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)
+
+#include <boost/multiprecision/cpp_bin_float.hpp>
+#ifdef TEST_MPFR
+#include <boost/multiprecision/mpfr.hpp>
+#endif
+#ifdef TEST_FLOAT128
+#include <boost/multiprecision/float128.hpp>
+#endif
+#include "test.hpp"
+
+template <class T>
+void test()
+{
+   T d = 360;
+   for (int i = 2; i >= -2; --i)
+   {
+      T x = i * d;
+      T y = remainder(x, d);
+      if (y == 0)
+         BOOST_CHECK_EQUAL(signbit(y), signbit(x));
+      if (i == 0)
+      {
+         x = -x;
+         y = remainder(x, d);
+         if (y == 0)
+            BOOST_CHECK_EQUAL(signbit(y), signbit(x));
+      }
+   }
+}
+
+int main()
+{
+   test<boost::multiprecision::cpp_bin_float_50>();
+   // No signed zero:
+   //test<boost::multiprecision::cpp_dec_float_50>();
+   //test<boost::multiprecision::mpf_float_50>();
+#ifdef TEST_MPFR
+   test<boost::multiprecision::mpfr_float_50>();
+#endif
+#ifdef TEST_FLOAT128
+   test<boost::multiprecision::float128>();
+#endif
+   return boost::report_errors();
+}
+
+