/* ************************************************************************
 * Copyright (C) 2016-2024 Advanced Micro Devices, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell cop-
 * ies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IM-
 * PLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNE-
 * CTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * ************************************************************************ */

#pragma once

#include "handle.hpp"
#include "int64_helpers.hpp"
#include "logging.hpp"
#include "rocblas_hemv_symv.hpp"
#include "utility.hpp"

namespace
{
    template <typename>
    constexpr char rocblas_symv_batched_name[] = "unknown";
    template <>
    constexpr char rocblas_symv_batched_name<float>[] = ROCBLAS_API_STR(rocblas_ssymv_batched);
    template <>
    constexpr char rocblas_symv_batched_name<double>[] = ROCBLAS_API_STR(rocblas_dsymv_batched);
    template <>
    constexpr char rocblas_symv_batched_name<rocblas_float_complex>[]
        = ROCBLAS_API_STR(rocblas_csymv_batched);
    template <>
    constexpr char rocblas_symv_batched_name<rocblas_double_complex>[]
        = ROCBLAS_API_STR(rocblas_zsymv_batched);

    template <typename API_INT, typename T>
    rocblas_status rocblas_symv_batched_impl(rocblas_handle handle,
                                             rocblas_fill   uplo,
                                             API_INT        n,
                                             const T*       alpha,
                                             const T* const A[],
                                             API_INT        lda,
                                             const T* const x[],
                                             API_INT        incx,
                                             const T*       beta,
                                             T* const       y[],
                                             API_INT        incy,
                                             API_INT        batch_count)
    {
        if(!handle)
            return rocblas_status_invalid_handle;

        auto check_numerics = handle->check_numerics;

        if(!handle->is_device_memory_size_query())
        {
            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 uplo_letter = rocblas_fill_letter(uplo);

                if(layer_mode & rocblas_layer_mode_log_trace)
                    log_trace(handle,
                              rocblas_symv_batched_name<T>,
                              uplo,
                              n,
                              LOG_TRACE_SCALAR_VALUE(handle, alpha),
                              A,
                              lda,
                              x,
                              incx,
                              LOG_TRACE_SCALAR_VALUE(handle, beta),
                              y,
                              incy,
                              batch_count);

                if(layer_mode & rocblas_layer_mode_log_bench)
                    log_bench(handle,
                              ROCBLAS_API_BENCH " -f symv_batched -r",
                              rocblas_precision_string<T>,
                              "--uplo",
                              uplo_letter,
                              "-n",
                              n,
                              LOG_BENCH_SCALAR_VALUE(handle, alpha),
                              "--lda",
                              lda,
                              "--incx",
                              incx,
                              LOG_BENCH_SCALAR_VALUE(handle, beta),
                              "--incy",
                              incy,
                              "--batch_count",
                              batch_count);

                if(layer_mode & rocblas_layer_mode_log_profile)
                    log_profile(handle,
                                rocblas_symv_batched_name<T>,
                                "uplo",
                                uplo_letter,
                                "N",
                                n,
                                "lda",
                                lda,
                                "incx",
                                incx,
                                "incy",
                                incy,
                                "batch_count",
                                batch_count);
            }
        }

        rocblas_status arg_status = rocblas_hemv_symv_arg_check<API_INT>(handle,
                                                                         uplo,
                                                                         n,
                                                                         alpha,
                                                                         0,
                                                                         A,
                                                                         0,
                                                                         lda,
                                                                         0,
                                                                         x,
                                                                         0,
                                                                         incx,
                                                                         0,
                                                                         beta,
                                                                         0,
                                                                         y,
                                                                         0,
                                                                         incy,
                                                                         0,
                                                                         batch_count);
        if(arg_status != rocblas_status_continue)
            return arg_status;

        //allocating the workspace identical to hemv
        size_t dev_bytes = rocblas_internal_hemv_symv_kernel_workspace_size<T>(n, batch_count);
        if(handle->is_device_memory_size_query())
            return handle->set_optimal_device_memory_size(dev_bytes);

        auto workspace = handle->device_malloc(dev_bytes);
        if(!workspace)
            return rocblas_status_memory_error;

        if(check_numerics)
        {
            bool           is_input = true;
            rocblas_status symv_check_numerics_status
                = rocblas_symv_check_numerics(rocblas_symv_batched_name<T>,
                                              handle,
                                              uplo,
                                              n,
                                              A,
                                              0,
                                              lda,
                                              0,
                                              x,
                                              0,
                                              incx,
                                              0,
                                              y,
                                              0,
                                              incy,
                                              0,
                                              batch_count,
                                              check_numerics,
                                              is_input);
            if(symv_check_numerics_status != rocblas_status_success)
                return symv_check_numerics_status;
        }

        rocblas_status status = ROCBLAS_API(rocblas_internal_symv_batched_template)(handle,
                                                                                    uplo,
                                                                                    n,
                                                                                    alpha,
                                                                                    0,
                                                                                    A,
                                                                                    0,
                                                                                    lda,
                                                                                    0,
                                                                                    x,
                                                                                    0,
                                                                                    incx,
                                                                                    0,
                                                                                    beta,
                                                                                    0,
                                                                                    y,
                                                                                    0,
                                                                                    incy,
                                                                                    0,
                                                                                    batch_count,
                                                                                    (T*)workspace);

        if(status != rocblas_status_success)
            return status;

        if(check_numerics)
        {
            bool           is_input = false;
            rocblas_status symv_check_numerics_status
                = rocblas_symv_check_numerics(rocblas_symv_batched_name<T>,
                                              handle,
                                              uplo,
                                              n,
                                              A,
                                              0,
                                              lda,
                                              0,
                                              x,
                                              0,
                                              incx,
                                              0,
                                              y,
                                              0,
                                              incy,
                                              0,
                                              batch_count,
                                              check_numerics,
                                              is_input);
            if(symv_check_numerics_status != rocblas_status_success)
                return symv_check_numerics_status;
        }
        return status;
    }

} // namespace

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

#ifdef IMPL
#error IMPL ALREADY DEFINED
#endif

#define IMPL(routine_name_, TI_, T_)                                              \
    rocblas_status routine_name_(rocblas_handle  handle,                          \
                                 rocblas_fill    uplo,                            \
                                 TI_             n,                               \
                                 const T_*       alpha,                           \
                                 const T_* const A[],                             \
                                 TI_             lda,                             \
                                 const T_* const x[],                             \
                                 TI_             incx,                            \
                                 const T_*       beta,                            \
                                 T_* const       y[],                             \
                                 TI_             incy,                            \
                                 TI_             batch_count)                     \
    try                                                                           \
    {                                                                             \
        return rocblas_symv_batched_impl<TI_, T_>(                                \
            handle, uplo, n, alpha, A, lda, x, incx, beta, y, incy, batch_count); \
    }                                                                             \
    catch(...)                                                                    \
    {                                                                             \
        return exception_to_rocblas_status();                                     \
    }

#define INST_SYMV_BATCHED_C_API(TI_)                                       \
    extern "C" {                                                           \
    IMPL(ROCBLAS_API(rocblas_ssymv_batched), TI_, float);                  \
    IMPL(ROCBLAS_API(rocblas_dsymv_batched), TI_, double);                 \
    IMPL(ROCBLAS_API(rocblas_csymv_batched), TI_, rocblas_float_complex);  \
    IMPL(ROCBLAS_API(rocblas_zsymv_batched), TI_, rocblas_double_complex); \
    } // extern "C"
