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#include "rocblas_data.hpp"
#include "rocblas_datatype2string.hpp"
#include "rocblas_test.hpp"
#include "testing_hbmv.hpp"
#include "testing_hbmv_batched.hpp"
#include "testing_hbmv_strided_batched.hpp"
#include "type_dispatch.hpp"
#include <cctype>
#include <cstring>
#include <type_traits>

namespace
{
    // possible hbmv test cases
    enum hbmv_test_type
    {
        HBMV,
        HBMV_BATCHED,
        HBMV_STRIDED_BATCHED,
    };

    // hbmv test template
    template <template <typename...> class FILTER, hbmv_test_type HBMV_TYPE>
    struct hbmv_template : RocBLAS_Test<hbmv_template<FILTER, HBMV_TYPE>, FILTER>
    {
        // Filter for which types apply to this suite
        static bool type_filter(const Arguments& arg)
        {
            return rocblas_simple_dispatch<hbmv_template::template type_filter_functor>(arg);
        }

        // Filter for which functions apply to this suite
        static bool function_filter(const Arguments& arg)
        {
            switch(HBMV_TYPE)
            {
            case HBMV:
                return !strcmp(arg.function, "hbmv") || !strcmp(arg.function, "hbmv_bad_arg");
            case HBMV_BATCHED:
                return !strcmp(arg.function, "hbmv_batched")
                       || !strcmp(arg.function, "hbmv_batched_bad_arg");
            case HBMV_STRIDED_BATCHED:
                return !strcmp(arg.function, "hbmv_strided_batched")
                       || !strcmp(arg.function, "hbmv_strided_batched_bad_arg");
            }
            return false;
        }

        // Google Test name suffix based on parameters
        static std::string name_suffix(const Arguments& arg)
        {
            RocBLAS_TestName<hbmv_template> name(arg.name);

            name << rocblas_datatype2string(arg.a_type) << '_' << (char)std::toupper(arg.uplo)
                 << '_' << arg.N << '_' << arg.K << '_' << arg.alpha << '_' << arg.lda;

            if(HBMV_TYPE == HBMV_STRIDED_BATCHED)
                name << '_' << arg.stride_a;

            name << '_' << arg.incx;

            if(HBMV_TYPE == HBMV_STRIDED_BATCHED)
                name << '_' << arg.stride_x;

            name << '_' << arg.beta << '_' << arg.incy;

            if(HBMV_TYPE == HBMV_STRIDED_BATCHED)
                name << '_' << arg.stride_y;

            if(HBMV_TYPE == HBMV_STRIDED_BATCHED || HBMV_TYPE == HBMV_BATCHED)
                name << '_' << arg.batch_count;

            if(arg.api == FORTRAN)
            {
                name << "_F";
            }

            return std::move(name);
        }
    };

    // By default, arbitrary type combinations are invalid.
    // The unnamed second parameter is used for enable_if_t below.
    template <typename, typename = void>
    struct hbmv_testing : rocblas_test_invalid
    {
    };

    // When the condition in the second argument is satisfied, the type combination
    // is valid. When the condition is false, this specialization does not apply.
    template <typename T>
    struct hbmv_testing<
        T,
        std::enable_if_t<
            std::is_same_v<T, rocblas_float_complex> || std::is_same_v<T, rocblas_double_complex>>>
        : rocblas_test_valid
    {
        void operator()(const Arguments& arg)
        {
            if(!strcmp(arg.function, "hbmv"))
                testing_hbmv<T>(arg);
            else if(!strcmp(arg.function, "hbmv_bad_arg"))
                testing_hbmv_bad_arg<T>(arg);
            else if(!strcmp(arg.function, "hbmv_batched"))
                testing_hbmv_batched<T>(arg);
            else if(!strcmp(arg.function, "hbmv_batched_bad_arg"))
                testing_hbmv_batched_bad_arg<T>(arg);
            else if(!strcmp(arg.function, "hbmv_strided_batched"))
                testing_hbmv_strided_batched<T>(arg);
            else if(!strcmp(arg.function, "hbmv_strided_batched_bad_arg"))
                testing_hbmv_strided_batched_bad_arg<T>(arg);
            else
                FAIL() << "Internal error: Test called with unknown function: " << arg.function;
        }
    };

    using hbmv = hbmv_template<hbmv_testing, HBMV>;
    TEST_P(hbmv, blas2)
    {
        CATCH_SIGNALS_AND_EXCEPTIONS_AS_FAILURES(rocblas_simple_dispatch<hbmv_testing>(GetParam()));
    }
    INSTANTIATE_TEST_CATEGORIES(hbmv);

    using hbmv_batched = hbmv_template<hbmv_testing, HBMV_BATCHED>;
    TEST_P(hbmv_batched, blas2)
    {
        CATCH_SIGNALS_AND_EXCEPTIONS_AS_FAILURES(rocblas_simple_dispatch<hbmv_testing>(GetParam()));
    }
    INSTANTIATE_TEST_CATEGORIES(hbmv_batched);

    using hbmv_strided_batched = hbmv_template<hbmv_testing, HBMV_STRIDED_BATCHED>;
    TEST_P(hbmv_strided_batched, blas2)
    {
        CATCH_SIGNALS_AND_EXCEPTIONS_AS_FAILURES(rocblas_simple_dispatch<hbmv_testing>(GetParam()));
    }
    INSTANTIATE_TEST_CATEGORIES(hbmv_strided_batched);

} // namespace
