/* ************************************************************************
 * Copyright 2016-2019 Advanced Micro Devices, Inc.
 * ************************************************************************ */
#include "rocblas_axpy_strided_batched.hpp"
#include "logging.h"

namespace
{

    template <typename>
    constexpr char rocblas_axpy_strided_batched_name[] = "unknown";
    template <>
    constexpr char rocblas_axpy_strided_batched_name<float>[] = "rocblas_saxpy_strided_batched";
    template <>
    constexpr char rocblas_axpy_strided_batched_name<double>[] = "rocblas_daxpy_strided_batched";
    template <>
    constexpr char rocblas_axpy_strided_batched_name<rocblas_half>[]
        = "rocblas_haxpy_strided_batched";
    template <>
    constexpr char rocblas_axpy_strided_batched_name<rocblas_float_complex>[]
        = "rocblas_caxpy_strided_batched";
    template <>
    constexpr char rocblas_axpy_strided_batched_name<rocblas_double_complex>[]
        = "rocblas_zaxpy_strided_batched";

    template <int NB, typename T>
    rocblas_status rocblas_axpy_strided_batched_impl(rocblas_handle handle,
                                                     rocblas_int    n,
                                                     const T*       alpha,
                                                     const T*       x,
                                                     rocblas_int    incx,
                                                     rocblas_stride stridex,
                                                     T*             y,
                                                     rocblas_int    incy,
                                                     rocblas_stride stridey,
                                                     rocblas_int    batch_count,
                                                     const char*    name,
                                                     const char*    bench_name)
    {
        if(!handle)
        {
            return rocblas_status_invalid_handle;
        }

        RETURN_ZERO_DEVICE_MEMORY_SIZE_IF_QUERIED(handle);

        if(!alpha)
        {
            return rocblas_status_invalid_pointer;
        }

        auto layer_mode = handle->layer_mode;
        if(handle->pointer_mode == rocblas_pointer_mode_host)
        {
            if(layer_mode & rocblas_layer_mode_log_trace)
            {
                log_trace(handle,
                          name,
                          n,
                          log_trace_scalar_value(alpha),
                          x,
                          incx,
                          stridex,
                          y,
                          incy,
                          stridey,
                          batch_count);
            }

            if(layer_mode & rocblas_layer_mode_log_bench)
            {
                log_bench(handle,
                          "./rocblas-bench",
                          "-f",
                          bench_name,
                          "-r",
                          rocblas_precision_string<T>,
                          "-n",
                          n,
                          LOG_BENCH_SCALAR_VALUE(alpha),
                          "--incx",
                          incx,
                          "--stride_x",
                          stridex,
                          "--incy",
                          incy,
                          "--stride_y",
                          stridey,
                          "--batch",
                          batch_count);
            }
        }
        else if(layer_mode & rocblas_layer_mode_log_trace)
        {
            log_trace(handle, name, n, alpha, x, incx, stridex, y, incy, stridey, batch_count);
        }

        if(layer_mode & rocblas_layer_mode_log_profile)
        {
            log_profile(handle,
                        name,
                        "N",
                        n,
                        "incx",
                        incx,
                        "stride_x",
                        stridex,
                        "incy",
                        incy,
                        "stride_y",
                        stridey,
                        "batch",
                        batch_count);
        }

        if(!x || !y)
        {
            return rocblas_status_invalid_pointer;
        }

        if(n <= 0 || 0 == batch_count) // Quick return if possible. Not Argument error
        {
            return rocblas_status_success;
        }

        if(batch_count < 0)
        {
            return rocblas_status_invalid_size;
        }

        return rocblas_axpy_strided_batched_template<NB>(
            handle, n, alpha, x, incx, stridex, y, incy, stridey, batch_count);
    }

}

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

extern "C" {

#ifdef IMPL
#error IMPL ALREADY DEFINED
#endif

#define IMPL(routine_name_, T_)                                                \
    rocblas_status routine_name_(rocblas_handle handle,                        \
                                 rocblas_int    n,                             \
                                 const T_*      alpha,                         \
                                 const T_*      x,                             \
                                 rocblas_int    incx,                          \
                                 rocblas_stride stridex,                       \
                                 T_*            y,                             \
                                 rocblas_int    incy,                          \
                                 rocblas_stride stridey,                       \
                                 rocblas_int    batch_count)                   \
    {                                                                          \
        return rocblas_axpy_strided_batched_impl<256>(handle,                  \
                                                      n,                       \
                                                      alpha,                   \
                                                      x,                       \
                                                      incx,                    \
                                                      stridex,                 \
                                                      y,                       \
                                                      incy,                    \
                                                      stridey,                 \
                                                      batch_count,             \
                                                      #routine_name_,          \
                                                      "axpy_strided_batched"); \
    }

IMPL(rocblas_saxpy_strided_batched, float);
IMPL(rocblas_daxpy_strided_batched, double);
IMPL(rocblas_caxpy_strided_batched, rocblas_float_complex);
IMPL(rocblas_zaxpy_strided_batched, rocblas_double_complex);
IMPL(rocblas_haxpy_strided_batched, rocblas_half);

#undef IMPL

} // extern "C"