Boost-Geometry-Utils

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src/boost/test/floating_point_comparison.hpp  view on Meta::CPAN

//____________________________________________________________________________//

} // namespace tt_detail

// ************************************************************************** //
// **************         tolerance presentation types         ************** //
// ************************************************************************** //

template<typename FPT>
struct percent_tolerance_t {
    explicit    percent_tolerance_t( FPT v ) : m_value( v ) {}

    FPT m_value;
};

//____________________________________________________________________________//

template<typename Out,typename FPT>
Out& operator<<( Out& out, percent_tolerance_t<FPT> t )
{
    return out << t.m_value;
}

//____________________________________________________________________________//

template<typename FPT>
inline percent_tolerance_t<FPT>
percent_tolerance( FPT v )
{
    return percent_tolerance_t<FPT>( v );
}

//____________________________________________________________________________//

template<typename FPT>
struct fraction_tolerance_t {
    explicit fraction_tolerance_t( FPT v ) : m_value( v ) {}

    FPT m_value;
};

src/boost/test/floating_point_comparison.hpp  view on Meta::CPAN

// ************************************************************************** //

template<typename FPT>
class close_at_tolerance {
public:
    // Public typedefs
    typedef bool result_type;

    // Constructor
    template<typename ToleranceBaseType>
    explicit    close_at_tolerance( percent_tolerance_t<ToleranceBaseType>  tolerance, 
                                    floating_point_comparison_type          fpc_type = FPC_STRONG ) 
    : p_fraction_tolerance( tt_detail::fpt_abs( static_cast<FPT>(0.01)*tolerance.m_value ) )
    , p_strong_or_weak( fpc_type ==  FPC_STRONG )
    , m_report_modifier( 100. )
    {}
    template<typename ToleranceBaseType>
    explicit    close_at_tolerance( fraction_tolerance_t<ToleranceBaseType> tolerance, 
                                    floating_point_comparison_type          fpc_type = FPC_STRONG ) 
    : p_fraction_tolerance( tt_detail::fpt_abs( tolerance.m_value ) )
    , p_strong_or_weak( fpc_type ==  FPC_STRONG )

src/boost/test/floating_point_comparison.hpp  view on Meta::CPAN

// ************************************************************************** //
// **************               check_is_close                 ************** //
// ************************************************************************** //

struct BOOST_TEST_DECL check_is_close_t {
    // Public typedefs
    typedef bool result_type;

    template<typename FPT1, typename FPT2, typename ToleranceBaseType>
    predicate_result
    operator()( FPT1 left, FPT2 right, percent_tolerance_t<ToleranceBaseType> tolerance, 
                floating_point_comparison_type fpc_type = FPC_STRONG ) const
    {
        // deduce "better" type from types of arguments being compared
        // if one type is floating and the second integral we use floating type and 
        // value of integral type is promoted to the floating. The same for float and double
        // But we don't want to compare two values of integral types using this tool.
        typedef typename numeric::conversion_traits<FPT1,FPT2>::supertype FPT;
        BOOST_STATIC_ASSERT( !is_integral<FPT>::value );

        close_at_tolerance<FPT> pred( tolerance, fpc_type );

src/boost/test/test_tools.hpp  view on Meta::CPAN

    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::tt_detail::ge_impl(), "", WARN, CHECK_GE, (L)(R) )
#define BOOST_CHECK_GE( L, R ) \
    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::tt_detail::ge_impl(), "", CHECK, CHECK_GE, (L)(R) )
#define BOOST_REQUIRE_GE( L, R ) \
    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::tt_detail::ge_impl(), "", REQUIRE, CHECK_GE, (L)(R) )

//____________________________________________________________________________//

#define BOOST_WARN_CLOSE( L, R, T ) \
    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::check_is_close, "", WARN, CHECK_CLOSE, \
        (L)(R)(::boost::test_tools::percent_tolerance(T)) )
#define BOOST_CHECK_CLOSE( L, R, T ) \
    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::check_is_close, "", CHECK, CHECK_CLOSE, \
        (L)(R)(::boost::test_tools::percent_tolerance(T)) )
#define BOOST_REQUIRE_CLOSE( L, R, T ) \
    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::check_is_close, "", REQUIRE, CHECK_CLOSE, \
        (L)(R)(::boost::test_tools::percent_tolerance(T)) )

//____________________________________________________________________________//

#define BOOST_WARN_CLOSE_FRACTION( L, R, T ) \
    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::check_is_close, "", WARN, CHECK_CLOSE_FRACTION, \
    (L)(R)(::boost::test_tools::fraction_tolerance(T)) )
#define BOOST_CHECK_CLOSE_FRACTION( L, R, T ) \
    BOOST_CHECK_WITH_ARGS_IMPL( ::boost::test_tools::check_is_close, "", CHECK, CHECK_CLOSE_FRACTION, \
    (L)(R)(::boost::test_tools::fraction_tolerance(T)) )
#define BOOST_REQUIRE_CLOSE_FRACTION( L, R, T ) \