1 files changed, 93 insertions, 0 deletions
diff --git a/src/boost/libs/math/test/log1p_expm1_test.hpp b/src/boost/libs/math/test/log1p_expm1_test.hpp
new file mode 100644
index 00000000..4b423059
--- /dev/null
+++ b/src/boost/libs/math/test/log1p_expm1_test.hpp
@@ -0,0 +1,93 @@
+//  Copyright John Maddock 2005.
+//  Copyright Paul A. Bristow 2010
+//  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 <boost/array.hpp>
+#include "functor.hpp"
+
+#include "handle_test_result.hpp"
+#include "table_type.hpp"
+
+
+template <class Real, class T>
+void do_test(const T& data, const char* type_name, const char* test_name)
+{
+   typedef Real value_type;
+
+   typedef value_type (*pg)(value_type);
+#ifdef LOG1P_FUNCTION_TO_TEST
+   pg funcp = LOG1P_FUNCTION_TO_TEST;
+#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
+   pg funcp = &boost::math::log1p<value_type>;
+#else
+   pg funcp = &boost::math::log1p;
+#endif
+
+   boost::math::tools::test_result<value_type> result;
+   std::cout << "Testing " << test_name << " with type " << type_name
+      << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
+   //
+   // test log1p against data:
+   //
+#if !(defined(ERROR_REPORTING_MODE) && !defined(LOG1P_FUNCTION_TO_TEST))
+   result = boost::math::tools::test_hetero<Real>(
+      data, 
+         bind_func<Real>(funcp, 0), 
+         extract_result<Real>(1));
+   handle_test_result(result, data[result.worst()], result.worst(), type_name, "log1p", "Random test data");
+   std::cout << std::endl;
+#endif
+#if !(defined(ERROR_REPORTING_MODE) && !defined(EXPM1_FUNCTION_TO_TEST))
+   //
+   // test expm1 against data:
+   //
+#ifdef EXPM1_FUNCTION_TO_TEST
+   funcp = EXPM1_FUNCTION_TO_TEST;
+#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
+   funcp = boost::math::expm1<value_type>;
+#else
+   funcp = boost::math::expm1;
+#endif
+   result = boost::math::tools::test_hetero<Real>(
+      data, 
+      bind_func<Real>(funcp, 0), 
+      extract_result<Real>(2));
+   handle_test_result(result, data[result.worst()], result.worst(), type_name, "expm1", "Random test data");
+   std::cout << std::endl;
+#endif
+}
+
+template <class T>
+void test(T, const char* type_name)
+{
+#  include "log1p_expm1_data.ipp"
+
+   do_test<T>(log1p_expm1_data, type_name, "expm1 and log1p");
+
+   //
+   // C99 Appendix F special cases:
+   static const T zero = 0;
+   static const T m_one = -1;
+   BOOST_CHECK_EQUAL(boost::math::log1p(zero), zero);
+   BOOST_CHECK_EQUAL(boost::math::log1p(T(-zero)), zero);
+   BOOST_CHECK_EQUAL(boost::math::expm1(zero), zero);
+   if(std::numeric_limits<T>::has_infinity)
+   {
+      BOOST_CHECK_EQUAL(boost::math::log1p(m_one), -std::numeric_limits<T>::infinity());
+      BOOST_CHECK_EQUAL(boost::math::expm1(T(-std::numeric_limits<T>::infinity())), m_one);
+      BOOST_CHECK_EQUAL(boost::math::expm1(std::numeric_limits<T>::infinity()), std::numeric_limits<T>::infinity());
+#ifndef __BORLANDC__
+#ifndef BOOST_NO_EXCEPTIONS
+      // When building with Borland's compiler, simply the *presence*
+      // of these tests cause other unrelated tests to fail!!! :-(
+      using namespace boost::math::policies;
+      typedef policy<overflow_error<throw_on_error> > pol;
+      BOOST_MATH_CHECK_THROW(boost::math::log1p(m_one, pol()), std::overflow_error);
+      BOOST_MATH_CHECK_THROW(boost::math::expm1(std::numeric_limits<T>::infinity(), pol()), std::overflow_error);
+#endif
+#endif
+   }
+}
+