/*******************************************************************************
 * This file is part of the "https://github.com/blackmatov/vmath.hpp"
 * For conditions of distribution and use, see copyright notice in LICENSE.md
 * Copyright (C) 2020-2021, by Matvey Cherevko (blackmatov@gmail.com)
 ******************************************************************************/

#include "vmath_tests.hpp"
#include "doctest/doctest.hpp"

namespace
{
    using namespace vmath_hpp;
    using namespace vmath_tests;
}

TEST_CASE("vmath/qua_fun") {
    SUBCASE("Operators") {
        STATIC_REQUIRE(+qua(1,-2,3,-4) == qua(1,-2,3,-4));
        STATIC_REQUIRE(-qua(1,-2,3,-4) == qua(-1,2,-3,4));

        STATIC_REQUIRE(qua(1,2,3,4) + qua(3,4,5,6) == qua(4,6,8,10));
        STATIC_REQUIRE(qua(1,2,3,4) - qua(3,5,7,9) == qua(-2,-3,-4,-5));

        {
            qua v{1,2,3,4};
            REQUIRE(&v == &(v += qua{3,4,5,6}));
            REQUIRE(v == qua{4,6,8,10});
        }

        {
            qua v{1,2,3,4};
            REQUIRE(&v == &(v -= qua{3,4,5,6}));
            REQUIRE(v == qua{-2,-2,-2,-2});
        }
    }
}