update ceph source to reef 18.1.2

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

diff --git a/ceph/src/boost/libs/math/test/ccmath_floor_test.cpp b/ceph/src/boost/libs/math/test/ccmath_floor_test.cpp
new file mode 100644 (file)
index 0000000..aa907fa
--- /dev/null
+++ b/ceph/src/boost/libs/math/test/ccmath_floor_test.cpp
@@ -0,0 +1,63 @@
+//  (C) Copyright Matt Borland 2021.
+//  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/floor.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()
+{
+    if constexpr (std::numeric_limits<T>::has_quiet_NaN)
+    {
+        static_assert(boost::math::ccmath::isnan(boost::math::ccmath::floor(std::numeric_limits<T>::quiet_NaN())), "If x is NaN, NaN is returned");
+    }
+
+    static_assert(!boost::math::ccmath::floor(T(0)), "If x is +- 0, it is returned, unmodified");
+    static_assert(!boost::math::ccmath::floor(T(-0)), "If x is +- 0, it is returned, unmodified");
+    
+    static_assert(boost::math::ccmath::isinf(boost::math::ccmath::floor(std::numeric_limits<T>::infinity())), 
+                  "If x is +- inf, it is returned, unmodified");
+    static_assert(boost::math::ccmath::isinf(boost::math::ccmath::floor(-std::numeric_limits<T>::infinity())), 
+                  "If x is +- inf, it is returned, unmodified");
+
+    static_assert(boost::math::ccmath::floor(T(2)) == T(2));
+    static_assert(boost::math::ccmath::floor(T(2.4)) == T(2));
+    static_assert(boost::math::ccmath::floor(T(2.9)) == T(2));
+    static_assert(boost::math::ccmath::floor(T(-2.7)) == T(-3));
+    static_assert(boost::math::ccmath::floor(T(-2)) == T(-2));
+}
+
+#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