/* ************************************************************************
 * Copyright 2016-2020 Advanced Micro Devices, Inc.
 * ************************************************************************ */
#include "handle.hpp"
#include "logging.hpp"
#include "rocblas.h"
#include "rocblas_rot_ex.hpp"
#include "utility.hpp"

namespace
{
    constexpr int NB = 512;

    rocblas_status rocblas_rot_batched_ex_impl(rocblas_handle   handle,
                                               rocblas_int      n,
                                               void*            x,
                                               rocblas_datatype x_type,
                                               rocblas_int      incx,
                                               void*            y,
                                               rocblas_datatype y_type,
                                               rocblas_int      incy,
                                               const void*      c,
                                               const void*      s,
                                               rocblas_datatype cs_type,
                                               rocblas_int      batch_count,
                                               rocblas_datatype execution_type)
    {
        if(!handle)
            return rocblas_status_invalid_handle;

        RETURN_ZERO_DEVICE_MEMORY_SIZE_IF_QUERIED(handle);

        auto layer_mode  = handle->layer_mode;
        auto x_type_str  = rocblas_datatype_string(x_type);
        auto y_type_str  = rocblas_datatype_string(y_type);
        auto cs_type_str = rocblas_datatype_string(cs_type);
        auto ex_type_str = rocblas_datatype_string(execution_type);
        if(layer_mode & rocblas_layer_mode_log_trace)
            log_trace(handle,
                      "rocblas_rot_batched_ex",
                      n,
                      x,
                      x_type_str,
                      incx,
                      y,
                      y_type_str,
                      incy,
                      c,
                      s,
                      cs_type_str,
                      batch_count,
                      ex_type_str);
        if(layer_mode & rocblas_layer_mode_log_bench)
            log_bench(handle,
                      "./rocblas-bench -f rot_batched_ex --a_type",
                      x_type_str,
                      "--b_type",
                      y_type_str,
                      "--c_type",
                      cs_type_str,
                      "--compute_type",
                      ex_type_str,
                      "-n",
                      n,
                      "--incx",
                      incx,
                      "--incy",
                      incy,
                      "--batch_count",
                      batch_count);
        if(layer_mode & rocblas_layer_mode_log_profile)
            log_profile(handle,
                        "rocblas_rot_batched_ex",
                        "N",
                        n,
                        "a_type",
                        x_type_str,
                        "incx",
                        incx,
                        "b_type",
                        y_type_str,
                        "incy",
                        incy,
                        "c_type",
                        cs_type_str,
                        "batch_count",
                        batch_count,
                        "compute_type",
                        ex_type_str);

        if(n <= 0 || batch_count <= 0)
            return rocblas_status_success;

        if(!x || !y || !c || !s)
            return rocblas_status_invalid_pointer;

        static constexpr rocblas_stride stride_0 = 0;
        return rocblas_rot_ex_template<NB, true>(handle,
                                                 n,
                                                 x,
                                                 x_type,
                                                 incx,
                                                 stride_0,
                                                 y,
                                                 y_type,
                                                 incy,
                                                 stride_0,
                                                 c,
                                                 s,
                                                 cs_type,
                                                 batch_count,
                                                 execution_type);
    }

} // namespace

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

extern "C" {

rocblas_status rocblas_rot_batched_ex(rocblas_handle   handle,
                                      rocblas_int      n,
                                      void*            x,
                                      rocblas_datatype x_type,
                                      rocblas_int      incx,
                                      void*            y,
                                      rocblas_datatype y_type,
                                      rocblas_int      incy,
                                      const void*      c,
                                      const void*      s,
                                      rocblas_datatype cs_type,
                                      rocblas_int      batch_count,
                                      rocblas_datatype execution_type)
try
{
    return rocblas_rot_batched_ex_impl(
        handle, n, x, x_type, incx, y, y_type, incy, c, s, cs_type, batch_count, execution_type);
}
catch(...)
{
    return exception_to_rocblas_status();
}

} // extern "C"