update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / libs / math / test / ccmath_fdim_test.cpp

diff --git a/ceph/src/boost/libs/math/test/ccmath_fdim_test.cpp b/ceph/src/boost/libs/math/test/ccmath_fdim_test.cpp
new file mode 100644 (file)
index 0000000..f5f688d
--- /dev/null
+++ b/ceph/src/boost/libs/math/test/ccmath_fdim_test.cpp
@@ -0,0 +1,54 @@
+//  (C) Copyright Matt Borland 2022.
+//  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)
+
+#include <cmath>
+#include <cfloat>
+#include <cstdint>
+#include <limits>
+#include <type_traits>
+#include <boost/math/ccmath/fdim.hpp>
+#include <boost/math/ccmath/isnan.hpp>
+#include <boost/math/ccmath/isinf.hpp>
+
+#ifdef BOOST_HAS_FLOAT128
+#include <boost/multiprecision/float128.hpp>
+#endif
+
+template <typename T>
+constexpr void test()
+{
+    static_assert(boost::math::ccmath::isnan(boost::math::ccmath::fdim(std::numeric_limits<T>::quiet_NaN(), T(1))), "If x is NaN, NaN is returned");
+    static_assert(boost::math::ccmath::isnan(boost::math::ccmath::fdim(T(1), std::numeric_limits<T>::quiet_NaN())), "If y is NaN, NaN is returned");
+
+    static_assert(boost::math::ccmath::fdim(T(4), T(1)) == T(3));
+    static_assert(boost::math::ccmath::fdim(T(1), T(4)) == T(0));
+    static_assert(boost::math::ccmath::fdim(T(4), T(-1)) == T(5));
+    static_assert(boost::math::ccmath::fdim(T(1), T(-4)) == T(5));
+
+    static_assert(boost::math::ccmath::isinf(boost::math::ccmath::fdim(std::numeric_limits<T>::infinity(), T(-1))));
+}
+
+#if !defined(BOOST_MATH_NO_CONSTEXPR_DETECTION) && !defined(BOOST_MATH_USING_BUILTIN_CONSTANT_P)
+int main()
+{
+    test<float>();
+    test<double>();
+
+    #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
+    test<long double>();
+    #endif
+    
+    #ifdef BOOST_HAS_FLOAT128
+    test<boost::multiprecision::float128>();
+    #endif
+
+    return 0;
+}
+#else
+int main()
+{
+    return 0;
+}
+#endif