88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
// Copyright John Maddock 2006.
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// Copyright Paul A. Bristow 2007, 2009
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/math/concepts/real_concept.hpp>
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#define BOOST_TEST_MAIN
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#include <boost/test/unit_test.hpp>
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#include <boost/test/tools/floating_point_comparison.hpp>
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#include <boost/math/tools/stats.hpp>
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#include <boost/math/tools/test.hpp>
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#include <boost/type_traits/is_floating_point.hpp>
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#include <boost/array.hpp>
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#include <boost/math/special_functions/math_fwd.hpp>
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#include "functor.hpp"
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#include "handle_test_result.hpp"
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#include "table_type.hpp"
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#ifndef SC_
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#define SC_(x) static_cast<typename table_type<T>::type>(BOOST_JOIN(x, L))
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#endif
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template <class Real>
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struct negative_cbrt
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{
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negative_cbrt(){}
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template <class S>
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Real operator()(const S& row)
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{
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return boost::math::cbrt(Real(-Real(row[1])));
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}
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};
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template <class Real, class T>
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void do_test_cbrt(const T& data, const char* type_name, const char* test_name)
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{
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#if !(defined(ERROR_REPORTING_MODE) && !defined(CBRT_FUNCTION_TO_TEST))
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typedef Real value_type;
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typedef value_type (*pg)(value_type);
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#ifdef CBRT_FUNCTION_TO_TEST
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pg funcp = boost::math::cbrt<value_type>;
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#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
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pg funcp = boost::math::cbrt<value_type>;
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#else
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pg funcp = boost::math::cbrt;
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#endif
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boost::math::tools::test_result<value_type> result;
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std::cout << "Testing " << test_name << " with type " << type_name
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<< "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
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//
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// test cbrt against data:
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//
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result = boost::math::tools::test_hetero<Real>(
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data,
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bind_func<Real>(funcp, 1),
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extract_result<Real>(0));
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result += boost::math::tools::test_hetero<Real>(
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data,
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negative_cbrt<Real>(),
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negate<Real>(extract_result<Real>(0)));
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handle_test_result(result, data[result.worst()], result.worst(), type_name, "cbrt", test_name);
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std::cout << std::endl;
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#endif
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}
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template <class T>
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void test_cbrt(T, const char* name)
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{
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//
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// The actual test data is rather verbose, so it's in a separate file.
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//
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// The contents are as follows, each row of data contains
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// three items, input value a, input value b and erf(a, b):
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//
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# include "cbrt_data.ipp"
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do_test_cbrt<T>(cbrt_data, name, "cbrt Function");
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}
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