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