Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_58_0.tar.bz2.HEADboost_1_58_0master

1 files changed, 96 insertions, 0 deletions

diff --git a/libs/math/test/test_polygamma.cpp b/libs/math/test/test_polygamma.cpp
new file mode 100644
index 000000000..a3c565ff6
--- /dev/null
+++ b/libs/math/test/test_polygamma.cpp
@@ -0,0 +1,96 @@
+//  (C) Copyright John Maddock 2014.
+//  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 <pch_light.hpp>
+#include "test_polygamma.hpp"
+//#include <boost/cstdfloat.hpp>
+
+void expected_results()
+{
+   //
+   // Define the max and mean errors expected for
+   // various compilers and platforms.
+   //
+   const char* largest_type;
+#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
+   if(boost::math::policies::digits<double, boost::math::policies::policy<> >() == boost::math::policies::digits<long double, boost::math::policies::policy<> >())
+   {
+      largest_type = "(long\\s+)?double|real_concept";
+   }
+   else
+   {
+      largest_type = "long double|real_concept";
+   }
+#else
+   largest_type = "(long\\s+)?double|real_concept";
+#endif
+
+   add_expected_result(
+      ".*",                          // compiler
+      ".*",                          // stdlib
+      ".*",                          // platform
+      largest_type,                  // test type(s)
+      ".*large arguments",           // test data group
+      ".*", 400, 200);               // test function
+   add_expected_result(
+      ".*",                          // compiler
+      ".*",                          // stdlib
+      ".*",                          // platform
+      largest_type,                  // test type(s)
+      ".*negative.*",                // test data group
+      ".*", 800, 400);               // test function
+#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
+   if((std::numeric_limits<long double>::digits > std::numeric_limits<double>::digits)
+      && (std::numeric_limits<long double>::digits - std::numeric_limits<double>::digits < 20))
+   {
+      add_expected_result(
+         ".*",                          // compiler
+         ".*",                          // stdlib
+         ".*",                          // platform
+         "double",                      // test type(s)
+         ".*bug cases.*",               // test data group
+         ".*", 100, 30);                // test function
+   }
+#endif
+   add_expected_result(
+      ".*",                          // compiler
+      ".*",                          // stdlib
+      ".*",                          // platform
+      largest_type,                  // test type(s)
+      ".*bug cases.*",               // test data group
+      ".*", 100000, 50000);          // test function
+   add_expected_result(
+      ".*",                          // compiler
+      ".*",                          // stdlib
+      ".*",                          // platform
+      largest_type,                  // test type(s)
+      ".*",                          // test data group
+      ".*", 40, 10);                 // test function
+   //
+   // Finish off by printing out the compiler/stdlib/platform names,
+   // we do this to make it easier to mark up expected error rates.
+   //
+   std::cout << "Tests run with " << BOOST_COMPILER << ", " 
+      << BOOST_STDLIB << ", " << BOOST_PLATFORM << std::endl;
+}
+
+BOOST_AUTO_TEST_CASE( test_main )
+{
+   expected_results();
+   BOOST_MATH_CONTROL_FP;
+
+   test_polygamma(0.0F, "float");
+   test_polygamma(0.0, "double");
+#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
+   test_polygamma(0.0L, "long double");
+   test_polygamma(boost::math::concepts::real_concept(0.1), "real_concept");
+#endif
+#ifdef BOOST_FLOAT128_C
+   //test_polygamma(BOOST_FLOAT128_C(0.0), "float128_t");
+#endif
+}
+
+
+