/* ************************************************************************
 * 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
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 * CTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "handle.hpp"
#include "int64_helpers.hpp"

#include "rocblas_trmv_64.hpp"

#include "blas2/rocblas_trmv.hpp" // int32 API called

template <typename TConstPtr, typename TPtr, typename TWork>
rocblas_status rocblas_internal_trmv_launcher_64(rocblas_handle    handle,
                                                 rocblas_fill      uplo,
                                                 rocblas_operation transA,
                                                 rocblas_diagonal  diag,
                                                 int64_t           n_64,
                                                 TConstPtr         A,
                                                 rocblas_stride    offset_A,
                                                 int64_t           lda_64,
                                                 rocblas_stride    stride_A,
                                                 TPtr              x,
                                                 rocblas_stride    offset_x,
                                                 int64_t           incx_64,
                                                 rocblas_stride    stride_x,
                                                 TWork             workspace,
                                                 rocblas_stride    stride_w,
                                                 int64_t           batch_count_64)
{
    // Quick return if possible. Not Argument error
    if(!n_64 || !batch_count_64)
        return rocblas_status_success;

    if(n_64 > c_i32_max)
        return rocblas_status_invalid_size; // defer adding new kernels for sizes exceeding practical memory

    for(int64_t b_base = 0; b_base < batch_count_64; b_base += c_i64_grid_YZ_chunk)
    {
        auto    x_ptr         = adjust_ptr_batch(x, b_base, stride_x);
        auto    workspace_ptr = adjust_ptr_batch(workspace, b_base, stride_w);
        auto    A_ptr         = adjust_ptr_batch(A, b_base, stride_A);
        int32_t batch_count   = int32_t(std::min(batch_count_64 - b_base, c_i64_grid_YZ_chunk));

        auto shift_A = offset_A;

        rocblas_status status = rocblas_internal_trmv_launcher(handle,
                                                               uplo,
                                                               transA,
                                                               diag,
                                                               (rocblas_int)n_64,
                                                               A_ptr,
                                                               shift_A,
                                                               lda_64,
                                                               stride_A,
                                                               x_ptr,
                                                               offset_x,
                                                               incx_64,
                                                               stride_x,
                                                               workspace_ptr,
                                                               stride_w,
                                                               batch_count);

        if(status != rocblas_status_success)
            return status;
    } // batch
    return rocblas_status_success;
}

template <typename T>
rocblas_status rocblas_internal_trmv_template_64(rocblas_handle    handle,
                                                 rocblas_fill      uplo,
                                                 rocblas_operation transA,
                                                 rocblas_diagonal  diag,
                                                 int64_t           n_64,
                                                 const T*          A,
                                                 rocblas_stride    offset_A,
                                                 int64_t           lda_64,
                                                 rocblas_stride    stride_A,
                                                 T*                x,
                                                 rocblas_stride    offset_x,
                                                 int64_t           incx_64,
                                                 rocblas_stride    stride_x,
                                                 T*                workspace,
                                                 rocblas_stride    stride_w,
                                                 int64_t           batch_count_64)
{
    return rocblas_internal_trmv_launcher_64<const T*>(handle,
                                                       uplo,
                                                       transA,
                                                       diag,
                                                       n_64,
                                                       A,
                                                       offset_A,
                                                       lda_64,
                                                       stride_A,
                                                       x,
                                                       offset_x,
                                                       incx_64,
                                                       stride_x,
                                                       workspace,
                                                       stride_w,
                                                       batch_count_64);
}

template <typename T>
rocblas_status rocblas_internal_trmv_batched_template_64(rocblas_handle    handle,
                                                         rocblas_fill      uplo,
                                                         rocblas_operation transA,
                                                         rocblas_diagonal  diag,
                                                         int64_t           n_64,
                                                         const T* const*   A,
                                                         rocblas_stride    offset_A,
                                                         int64_t           lda_64,
                                                         rocblas_stride    stride_A,
                                                         T* const*         x,
                                                         rocblas_stride    offset_x,
                                                         int64_t           incx_64,
                                                         rocblas_stride    stride_x,
                                                         T*                workspace,
                                                         rocblas_stride    stride_w,
                                                         int64_t           batch_count_64)
{
    return rocblas_internal_trmv_launcher_64<const T* const*>(handle,
                                                              uplo,
                                                              transA,
                                                              diag,
                                                              n_64,
                                                              A,
                                                              offset_A,
                                                              lda_64,
                                                              stride_A,
                                                              x,
                                                              offset_x,
                                                              incx_64,
                                                              stride_x,
                                                              workspace,
                                                              stride_w,
                                                              batch_count_64);
}

// Instantiations below will need to be manually updated to match any change in
// template parameters in the files *trmv*.cpp

#ifdef INSTANTIATE_TRMV_TEMPLATE_64
#error INSTANTIATE_TRMV_TEMPLATE_64 already defined
#endif

#define INSTANTIATE_TRMV_TEMPLATE_64(T_)                                   \
    template ROCBLAS_INTERNAL_EXPORT_NOINLINE rocblas_status               \
        rocblas_internal_trmv_template_64<T_>(rocblas_handle    handle,    \
                                              rocblas_fill      uplo,      \
                                              rocblas_operation transA,    \
                                              rocblas_diagonal  diag,      \
                                              int64_t           n_64,      \
                                              const T_*         A,         \
                                              rocblas_stride    offseta,   \
                                              int64_t           lda_64,    \
                                              rocblas_stride    stridea,   \
                                              T_*               x,         \
                                              rocblas_stride    offsetx,   \
                                              int64_t           incx_64,   \
                                              rocblas_stride    stridex,   \
                                              T_*               workspace, \
                                              rocblas_stride    stridew,   \
                                              int64_t           batch_count_64);

INSTANTIATE_TRMV_TEMPLATE_64(float)
INSTANTIATE_TRMV_TEMPLATE_64(double)
INSTANTIATE_TRMV_TEMPLATE_64(rocblas_float_complex)
INSTANTIATE_TRMV_TEMPLATE_64(rocblas_double_complex)

#undef INSTANTIATE_TRMV_TEMPLATE_64

#ifdef INSTANTIATE_TRMV_TEMPLATE_64
#error INSTANTIATE_TRMV_TEMPLATE_64 already defined
#endif

#define INSTANTIATE_TRMV_BATCHED_TEMPLATE_64(T_)                                   \
    template ROCBLAS_INTERNAL_EXPORT_NOINLINE rocblas_status                       \
        rocblas_internal_trmv_batched_template_64<T_>(rocblas_handle    handle,    \
                                                      rocblas_fill      uplo,      \
                                                      rocblas_operation transA,    \
                                                      rocblas_diagonal  diag,      \
                                                      int64_t           n_64,      \
                                                      const T_* const*  A,         \
                                                      rocblas_stride    offseta,   \
                                                      int64_t           lda_64,    \
                                                      rocblas_stride    stridea,   \
                                                      T_* const*        x,         \
                                                      rocblas_stride    offsetx,   \
                                                      int64_t           incx_64,   \
                                                      rocblas_stride    stridex,   \
                                                      T_*               workspace, \
                                                      rocblas_stride    stridew,   \
                                                      int64_t           batch_count_64);

INSTANTIATE_TRMV_BATCHED_TEMPLATE_64(float)
INSTANTIATE_TRMV_BATCHED_TEMPLATE_64(double)
INSTANTIATE_TRMV_BATCHED_TEMPLATE_64(rocblas_float_complex)
INSTANTIATE_TRMV_BATCHED_TEMPLATE_64(rocblas_double_complex)

#undef INSTANTIATE_TRMV_BATCHED_TEMPLATE_64
