1 files changed, 101 insertions, 0 deletions
diff --git a/src/boost/libs/math/test/test_dist_overloads.cpp b/src/boost/libs/math/test/test_dist_overloads.cpp
new file mode 100644
index 00000000..5fd60fbb
--- /dev/null
+++ b/src/boost/libs/math/test/test_dist_overloads.cpp
@@ -0,0 +1,101 @@
+// Copyright John Maddock 2006.
+// Copyright Paul A. Bristow 2007.
+
+// 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)
+
+// test_dist_overloads.cpp
+
+#include <boost/math/concepts/real_concept.hpp> // for real_concept
+#include <boost/math/distributions/normal.hpp>
+    using boost::math::normal_distribution;
+
+#define BOOST_TEST_MAIN
+#include <boost/test/unit_test.hpp> // Boost.Test
+#include <boost/test/tools/floating_point_comparison.hpp>
+
+#include <iostream>
+   using std::cout;
+   using std::endl;
+   using std::setprecision;
+
+template <class RealType>
+void test_spots(RealType)
+{
+   // Basic sanity checks,
+   // 2 eps as a percentage:
+   RealType tolerance = boost::math::tools::epsilon<RealType>() * 2 * 100;
+
+   cout << "Tolerance for type " << typeid(RealType).name()  << " is " << tolerance << " %" << endl;
+
+   for(int i = -4; i <= 4; ++i)
+   {
+      BOOST_CHECK_CLOSE(
+         ::boost::math::cdf(normal_distribution<RealType>(), i),
+         ::boost::math::cdf(normal_distribution<RealType>(), static_cast<RealType>(i)),
+         tolerance);
+      BOOST_CHECK_CLOSE(
+         ::boost::math::pdf(normal_distribution<RealType>(), i),
+         ::boost::math::pdf(normal_distribution<RealType>(), static_cast<RealType>(i)),
+         tolerance);
+      BOOST_CHECK_CLOSE(
+         ::boost::math::cdf(complement(normal_distribution<RealType>(), i)),
+         ::boost::math::cdf(complement(normal_distribution<RealType>(), static_cast<RealType>(i))),
+         tolerance);
+      BOOST_CHECK_CLOSE(
+         ::boost::math::hazard(normal_distribution<RealType>(), i),
+         ::boost::math::hazard(normal_distribution<RealType>(), static_cast<RealType>(i)),
+         tolerance);
+      BOOST_CHECK_CLOSE(
+         ::boost::math::chf(normal_distribution<RealType>(), i),
+         ::boost::math::chf(normal_distribution<RealType>(), static_cast<RealType>(i)),
+         tolerance);
+   }
+   for(float f = 0.01f; f < 1; f += 0.01f)
+   {
+      BOOST_CHECK_CLOSE(
+         ::boost::math::quantile(normal_distribution<RealType>(), f),
+         ::boost::math::quantile(normal_distribution<RealType>(), static_cast<RealType>(f)),
+         tolerance);
+      BOOST_CHECK_CLOSE(
+         ::boost::math::quantile(complement(normal_distribution<RealType>(), f)),
+         ::boost::math::quantile(complement(normal_distribution<RealType>(), static_cast<RealType>(f))),
+         tolerance);
+   }
+} // template <class RealType>void test_spots(RealType)
+
+BOOST_AUTO_TEST_CASE( test_main )
+{
+    // Basic sanity-check spot values.
+   // (Parameter value, arbitrarily zero, only communicates the floating point type).
+  test_spots(0.0F); // Test float. OK at decdigits = 0 tolerance = 0.0001 %
+  test_spots(0.0); // Test double. OK at decdigits 7, tolerance = 1e07 %
+#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
+  test_spots(0.0L); // Test long double.
+#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
+  test_spots(boost::math::concepts::real_concept(0.)); // Test real concept.
+#endif
+#else
+   std::cout << "<note>The long double tests have been disabled on this platform "
+      "either because the long double overloads of the usual math functions are "
+      "not available at all, or because they are too inaccurate for these tests "
+      "to pass.</note>" << std::endl;
+#endif
+
+} // BOOST_AUTO_TEST_CASE( test_main )
+
+/*
+
+Output:
+
+Running 1 test case...
+Tolerance for type float is 2.38419e-005 %
+Tolerance for type double is 4.44089e-014 %
+Tolerance for type long double is 4.44089e-014 %
+Tolerance for type class boost::math::concepts::real_concept is 4.44089e-014 %
+*** No errors detected
+
+*/
+