test_1F0.hpp 2.7 KB

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  1. // Copyright John Maddock 2006.
  2. // Copyright Paul A. Bristow 2007, 2009
  3. // Use, modification and distribution are subject to the
  4. // Boost Software License, Version 1.0. (See accompanying file
  5. // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. #define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
  7. #include <boost/math/concepts/real_concept.hpp>
  8. #include <boost/math/special_functions/math_fwd.hpp>
  9. #define BOOST_TEST_MAIN
  10. #include <boost/test/unit_test.hpp>
  11. #include <boost/test/tools/floating_point_comparison.hpp>
  12. #include <boost/math/tools/stats.hpp>
  13. #include <boost/math/tools/test.hpp>
  14. #include <boost/math/constants/constants.hpp>
  15. #include <boost/type_traits/is_floating_point.hpp>
  16. #include <boost/array.hpp>
  17. #include "functor.hpp"
  18. #include "handle_test_result.hpp"
  19. #include "table_type.hpp"
  20. #include <boost/math/special_functions/hypergeometric_1F0.hpp>
  21. #ifndef SC_
  22. #define SC_(x) static_cast<typename table_type<T>::type>(BOOST_JOIN(x, L))
  23. #endif
  24. template <class T>
  25. void test_spots(T)
  26. {
  27. using std::pow;
  28. //
  29. // basic sanity checks, tolerance is 10 epsilon expressed as a percentage:
  30. //
  31. T tolerance = boost::math::tools::epsilon<T>() * 1000;
  32. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(-3), T(2)), T(-1), tolerance);
  33. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(-3), T(4)), T(-27), tolerance);
  34. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(-3), T(0.5)), T(0.125), tolerance);
  35. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(3), T(0.5)), T(8), tolerance);
  36. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(3), T(2)), T(-1), tolerance);
  37. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(3), T(4)), T(T(-1) / 27), tolerance);
  38. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(3), T(-0.5)), pow(T(1.5), -3), tolerance);
  39. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(3), T(-2)), T(1 / T(27)), tolerance);
  40. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(3), T(-4)), T(T(1) / 125), tolerance);
  41. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(-3), T(-0.5)), pow(T(1.5), 3), tolerance);
  42. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(-3), T(-2)), T(27), tolerance);
  43. BOOST_CHECK_CLOSE(boost::math::hypergeometric_1F0(T(-3), T(-4)), T(125), tolerance);
  44. BOOST_CHECK_THROW(boost::math::hypergeometric_1F0(T(3), T(1)), std::domain_error);
  45. BOOST_CHECK_THROW(boost::math::hypergeometric_1F0(T(-3), T(1)), std::domain_error);
  46. BOOST_CHECK_THROW(boost::math::hypergeometric_1F0(T(3.25), T(1)), std::domain_error);
  47. BOOST_CHECK_THROW(boost::math::hypergeometric_1F0(T(-3.25), T(1)), std::domain_error);
  48. BOOST_CHECK_THROW(boost::math::hypergeometric_1F0(T(3.25), T(2)), std::domain_error);
  49. BOOST_CHECK_THROW(boost::math::hypergeometric_1F0(T(-3.25), T(2)), std::domain_error);
  50. }