boost/libs/qvm/test/cmp_vv_test.cpp

//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
//Copyright (c) 2019 agate-pris

//Distributed under 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/qvm/static_assert.hpp>

#ifdef BOOST_QVM_TEST_SINGLE_HEADER
#   include BOOST_QVM_TEST_SINGLE_HEADER
#else
#   include <boost/qvm/vec.hpp>
#   include <boost/qvm/vec_operations.hpp>
#endif

#include <boost/qvm/vec_traits_array.hpp>
#include "test_qvm_vector.hpp"
#include "gold.hpp"
#include <functional>

namespace
    {
    template <int Dim>
    void
    test()
        {
        using namespace boost::qvm::sfinae;
        test_qvm::vector<V1,Dim> const x(42,1);
        for( int i=0; i!=Dim; ++i )
            {
                {
                test_qvm::vector<V1,Dim> y(x);
                BOOST_TEST(cmp(x,y,std::equal_to<float>()));
                y.a[i]=0;
                BOOST_TEST(!cmp(x,y,std::equal_to<float>()));
                }
            }
        }

    template <class T>
    struct test_scalar
    {
        T value_;
        test_scalar( T value ): value_(value) {}
    }; //No operator==

    struct
    equal_to
    {
        template <class T,class U>
        bool
        operator()( T const & a, U const & b )
        {
            return a.value_==b.value_;
        }
    };

    template <class A, class B>
    void
    test2()
        {
        typedef test_scalar<A> scalar_a;
        typedef test_scalar<B> scalar_b;
        typedef boost::qvm::vec<scalar_a, 5> vec_a;
        typedef boost::qvm::vec<scalar_b, 5> vec_b;
        vec_a const a = { { 42, 94, 96, 72, 95 } };
        vec_b const b = { { 42, 94, 96, 72, 95 } };
        vec_a const c = { { 21, 47, 48, 36, 47 } };
        vec_b const d = { { 21, 47, 48, 36, 47 } };
        BOOST_TEST(cmp(a,a,equal_to()));
        BOOST_TEST(cmp(a,b,equal_to()));
        BOOST_TEST(cmp(b,a,equal_to()));
        BOOST_TEST(cmp(b,b,equal_to()));
        BOOST_TEST(cmp(c,c,equal_to()));
        BOOST_TEST(cmp(c,d,equal_to()));
        BOOST_TEST(cmp(d,c,equal_to()));
        BOOST_TEST(cmp(d,d,equal_to()));
        BOOST_TEST(!cmp(a,c,equal_to()));
        BOOST_TEST(!cmp(c,a,equal_to()));
        BOOST_TEST(!cmp(a,d,equal_to()));
        BOOST_TEST(!cmp(d,a,equal_to()));
        BOOST_TEST(!cmp(b,c,equal_to()));
        BOOST_TEST(!cmp(c,b,equal_to()));
        BOOST_TEST(!cmp(b,d,equal_to()));
        BOOST_TEST(!cmp(d,b,equal_to()));
        }
    }

int
main()
    {
    test<2>();
    test<3>();
    test<4>();
    test<5>();
    test2<int, int>();
    test2<int, double>();
    test2<double, int>();
    test2<double, double>();
    return boost::report_errors();
    }