/* ************************************************************************
 * Copyright 2016-2021 Advanced Micro Devices, Inc.
 * ************************************************************************ */
#include "rocblas_axpy_ex.hpp"
#include "logging.hpp"

namespace
{
    template <int NB>
    rocblas_status rocblas_axpy_ex_impl(rocblas_handle   handle,
                                        rocblas_int      n,
                                        const void*      alpha,
                                        rocblas_datatype alpha_type,
                                        const void*      x,
                                        rocblas_datatype x_type,
                                        rocblas_int      incx,
                                        void*            y,
                                        rocblas_datatype y_type,
                                        rocblas_int      incy,
                                        rocblas_datatype execution_type,
                                        const char*      name,
                                        const char*      bench_name)
    {
        if(!handle)
        {
            return rocblas_status_invalid_handle;
        }

        RETURN_ZERO_DEVICE_MEMORY_SIZE_IF_QUERIED(handle);

        auto layer_mode = handle->layer_mode;
        if(layer_mode
           & (rocblas_layer_mode_log_trace | rocblas_layer_mode_log_bench
              | rocblas_layer_mode_log_profile))
        {
            auto alpha_type_str = rocblas_datatype_string(alpha_type);
            auto x_type_str     = rocblas_datatype_string(x_type);
            auto y_type_str     = rocblas_datatype_string(y_type);
            auto ex_type_str    = rocblas_datatype_string(execution_type);

            if(handle->pointer_mode == rocblas_pointer_mode_host)
            {
                if(layer_mode & rocblas_layer_mode_log_trace)
                {
                    rocblas_internal_ostream alphass, betass;
                    if(log_trace_alpha_beta_ex(alpha_type, alpha, nullptr, alphass, betass)
                       == rocblas_status_success)
                    {
                        log_trace(handle,
                                  name,
                                  n,
                                  alphass.str(),
                                  alpha_type_str,
                                  x,
                                  x_type_str,
                                  incx,
                                  y,
                                  y_type_str,
                                  incy,
                                  ex_type_str);
                    }
                }

                if(layer_mode & rocblas_layer_mode_log_bench)
                {
                    std::string alphas, betas;
                    if(log_bench_alpha_beta_ex(alpha_type, alpha, nullptr, alphas, betas)
                       == rocblas_status_success)
                    {
                        log_bench(handle,
                                  "./rocblas-bench",
                                  "-f",
                                  bench_name,
                                  "-n",
                                  n,
                                  alphas,
                                  "--a_type",
                                  alpha_type_str,
                                  "--b_type",
                                  x_type_str,
                                  "--incx",
                                  incx,
                                  "--c_type",
                                  y_type_str,
                                  "--incy",
                                  incy,
                                  "--compute_type",
                                  ex_type_str);
                    }
                }
            }
            else if(layer_mode & rocblas_layer_mode_log_trace)
            {
                log_trace(handle,
                          name,
                          n,
                          alpha_type_str,
                          x,
                          x_type_str,
                          incx,
                          y,
                          y_type_str,
                          incy,
                          ex_type_str);
            }

            if(layer_mode & rocblas_layer_mode_log_profile)
            {
                log_profile(handle,
                            name,
                            "N",
                            n,
                            "a_type",
                            alpha_type_str,
                            "b_type",
                            x_type_str,
                            "incx",
                            incx,
                            "c_type",
                            y_type_str,
                            "incy",
                            incy,
                            "compute_type",
                            ex_type_str);
            }
        }

        static constexpr rocblas_int    batch_count_1 = 1;
        static constexpr rocblas_stride stride_0      = 0;
        static constexpr ptrdiff_t      offset_0      = 0;
        return rocblas_axpy_ex_template<NB>(name,
                                            handle,
                                            n,
                                            alpha,
                                            alpha_type,
                                            stride_0,
                                            x,
                                            x_type,
                                            offset_0,
                                            incx,
                                            stride_0,
                                            y,
                                            y_type,
                                            offset_0,
                                            incy,
                                            stride_0,
                                            batch_count_1,
                                            execution_type);
    }

}

/*
 * ===========================================================================
 *    C wrapper
 * ===========================================================================
 */

extern "C" {

rocblas_status rocblas_axpy_ex(rocblas_handle   handle,
                               rocblas_int      n,
                               const void*      alpha,
                               rocblas_datatype alpha_type,
                               const void*      x,
                               rocblas_datatype x_type,
                               rocblas_int      incx,
                               void*            y,
                               rocblas_datatype y_type,
                               rocblas_int      incy,
                               rocblas_datatype execution_type)
{
    try
    {
        return rocblas_axpy_ex_impl<256>(handle,
                                         n,
                                         alpha,
                                         alpha_type,
                                         x,
                                         x_type,
                                         incx,
                                         y,
                                         y_type,
                                         incy,
                                         execution_type,
                                         "rocblas_axpy_ex",
                                         "axpy_ex");
    }
    catch(...)
    {
        return exception_to_rocblas_status();
    }
}

} // extern "C"