ceph/src/boost/libs/math/test/test_sinc.hpp

   1 // Copyright John Maddock 2018.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/math/concepts/real_concept.hpp>
   7 #define BOOST_TEST_MAIN
   8 #include <boost/test/unit_test.hpp>
   9 #include <boost/test/tools/floating_point_comparison.hpp>
  10 #include <boost/math/special_functions/sinc.hpp>
  11 #include <boost/array.hpp>
  12 #include "functor.hpp"
  13
  14 #include "handle_test_result.hpp"
  15 #include "table_type.hpp"
  16
  17 #ifndef SC_
  18 #define SC_(x) static_cast<typename table_type<T>::type>(BOOST_JOIN(x, L))
  19 #endif
  20
  21 template <class Real, class T>
  22 void do_test_sinc(const T& data, const char* type_name, const char* test_name)
  23 {
  24 #if !(defined(ERROR_REPORTING_MODE) && !defined(DIGAMMA_FUNCTION_TO_TEST))
  25    typedef Real                   value_type;
  26
  27    typedef value_type (*pg)(value_type);
  28 #if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
  29    pg funcp = boost::math::sinc_pi<value_type>;
  30 #else
  31    pg funcp = boost::math::sinc_pi;
  32 #endif
  33
  34    boost::math::tools::test_result<value_type> result;
  35
  36    std::cout << "Testing " << test_name << " with type " << type_name
  37       << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
  38
  39    //
  40    // test sinc against data:
  41    //
  42    result = boost::math::tools::test_hetero<Real>(
  43       data,
  44       bind_func<Real>(funcp, 0),
  45       extract_result<Real>(1));
  46    handle_test_result(result, data[result.worst()], result.worst(), type_name, "sinc_pi", test_name);
  47    std::cout << std::endl;
  48 #endif
  49 }
  50
  51 template <class T>
  52 void test_sinc(T, const char* name)
  53 {
  54    //
  55    // The actual test data is rather verbose, so it's in a separate file
  56    //
  57    // The contents are as follows, each row of data contains
  58    // three items, input value a, input value b and erf(a, b):
  59    //
  60 #  include "sinc_data.ipp"
  61
  62    do_test_sinc<T>(sinc_data, name, "Sinc Function");
  63 }
  64