/*! \file */
/* ************************************************************************
 * Copyright (C) 2018-2023 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
 * copies 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
 * IMPLIED, 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 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * ************************************************************************ */

#include "internal/level2/rocsparse_coomv.h"
#include "../conversion/rocsparse_coo2csr.hpp"
#include "definitions.h"
#include "rocsparse_coomv.hpp"
#include "utility.h"

#include "coomv_device.h"

template <>
inline bool rocsparse_enum_utils::is_invalid(rocsparse_coomv_alg value_)
{
    switch(value_)
    {
    case rocsparse_coomv_alg_default:
    case rocsparse_coomv_alg_segmented:
    case rocsparse_coomv_alg_atomic:
    {
        return false;
    }
    }
    return true;
};

template <unsigned int BLOCKSIZE, typename I, typename Y, typename U>
ROCSPARSE_KERNEL(BLOCKSIZE)
void coomv_scale(I size, U beta_device_host, Y* __restrict__ data)
{
    auto beta = load_scalar_device_host(beta_device_host);
    if(beta != 1)
    {
        coomv_scale_device<BLOCKSIZE>(size, beta, data);
    }
}

template <unsigned int BLOCKSIZE,
          typename I,
          typename A,
          typename X,
          typename Y,
          typename T,
          typename U>
ROCSPARSE_KERNEL(BLOCKSIZE)
void coomvn_segmented_loops(int64_t nnz,
                            I       nloops,
                            U       alpha_device_host,
                            const I* __restrict__ coo_row_ind,
                            const I* __restrict__ coo_col_ind,
                            const A* __restrict__ coo_val,
                            const X* __restrict__ x,
                            Y* __restrict__ y,
                            I* __restrict__ row_block_red,
                            T* __restrict__ val_block_red,
                            rocsparse_index_base idx_base)
{
    auto alpha = load_scalar_device_host(alpha_device_host);
    if(alpha != 0)
    {
        coomvn_segmented_loops_device<BLOCKSIZE>(nnz,
                                                 nloops,
                                                 alpha,
                                                 coo_row_ind,
                                                 coo_col_ind,
                                                 coo_val,
                                                 x,
                                                 y,
                                                 row_block_red,
                                                 val_block_red,
                                                 idx_base);
    }
}

template <unsigned int BLOCKSIZE, typename I, typename Y, typename T, typename U>
ROCSPARSE_KERNEL(BLOCKSIZE)
void coomvn_segmented_loops_reduce(I nblocks,
                                   U alpha_device_host,
                                   const I* __restrict__ row_block_red,
                                   const T* __restrict__ val_block_red,
                                   Y* __restrict__ y)
{
    auto alpha = load_scalar_device_host(alpha_device_host);
    if(alpha != 0)
    {
        coomvn_segmented_loops_reduce_device<BLOCKSIZE>(nblocks, row_block_red, val_block_red, y);
    }
}

template <unsigned int BLOCKSIZE,
          unsigned int LOOPS,
          typename I,
          typename A,
          typename X,
          typename Y,
          typename U>
ROCSPARSE_KERNEL(BLOCKSIZE)
void coomvn_atomic_loops(int64_t nnz,
                         U       alpha_device_host,
                         const I* __restrict__ coo_row_ind,
                         const I* __restrict__ coo_col_ind,
                         const A* __restrict__ coo_val,
                         const X* __restrict__ x,
                         Y* __restrict__ y,
                         rocsparse_index_base idx_base)
{
    auto alpha = load_scalar_device_host(alpha_device_host);
    if(alpha != 0)
    {
        coomvn_atomic_loops_device<BLOCKSIZE, LOOPS>(
            nnz, alpha, coo_row_ind, coo_col_ind, coo_val, x, y, idx_base);
    }
}

template <unsigned int BLOCKSIZE, typename I, typename A, typename X, typename Y, typename U>
ROCSPARSE_KERNEL(BLOCKSIZE)
void coomvt_kernel(rocsparse_operation trans,
                   int64_t             nnz,
                   U                   alpha_device_host,
                   const I* __restrict__ coo_row_ind,
                   const I* __restrict__ coo_col_ind,
                   const A* __restrict__ coo_val,
                   const X* __restrict__ x,
                   Y* __restrict__ y,
                   rocsparse_index_base idx_base)
{
    auto alpha = load_scalar_device_host(alpha_device_host);
    if(alpha != 0)
    {
        coomvt_device(trans, nnz, alpha, coo_row_ind, coo_col_ind, coo_val, x, y, idx_base);
    }
}

template <typename I, typename A>
rocsparse_status rocsparse_coomv_analysis_template(rocsparse_handle          handle,
                                                   rocsparse_operation       trans,
                                                   rocsparse_coomv_alg       alg,
                                                   I                         m,
                                                   I                         n,
                                                   int64_t                   nnz,
                                                   const rocsparse_mat_descr descr,
                                                   const A*                  coo_val,
                                                   const I*                  coo_row_ind,
                                                   const I*                  coo_col_ind)
{
    // Check for valid handle and matrix descriptor
    ROCSPARSE_CHECKARG_HANDLE(0, handle);
    ROCSPARSE_CHECKARG_POINTER(6, descr);

    // Logging
    log_trace(handle,
              replaceX<A>("rocsparse_Xcoomv_analysis"),
              trans,
              alg,
              m,
              n,
              nnz,
              (const void*&)descr,
              (const void*&)coo_val,
              (const void*&)coo_row_ind,
              (const void*&)coo_col_ind);

    ROCSPARSE_CHECKARG_ENUM(1, trans);
    ROCSPARSE_CHECKARG_ENUM(2, alg);

    // Check matrix type
    ROCSPARSE_CHECKARG(
        6, descr, (descr->type != rocsparse_matrix_type_general), rocsparse_status_not_implemented);

    // Check sizes
    ROCSPARSE_CHECKARG_SIZE(3, m);
    ROCSPARSE_CHECKARG_SIZE(4, n);
    ROCSPARSE_CHECKARG_SIZE(5, nnz);

    // Quick return if possible
    if(m == 0 || n == 0 || nnz == 0)
    {
        return rocsparse_status_success;
    }

    ROCSPARSE_CHECKARG_ARRAY(7, nnz, coo_val);
    ROCSPARSE_CHECKARG_ARRAY(8, nnz, coo_row_ind);
    ROCSPARSE_CHECKARG_ARRAY(9, nnz, coo_col_ind);

    switch(trans)
    {
    case rocsparse_operation_none:
    {
        if(std::is_same<I, int32_t>() && nnz < std::numeric_limits<int32_t>::max())
        {
            I* max_nnz     = nullptr;
            I* csr_row_ptr = nullptr;
            RETURN_IF_HIP_ERROR(
                rocsparse_hipMallocAsync((void**)&max_nnz, sizeof(I), handle->stream));
            RETURN_IF_HIP_ERROR(rocsparse_hipMallocAsync(
                (void**)&csr_row_ptr, sizeof(I) * (m + 1), handle->stream));
            RETURN_IF_HIP_ERROR(hipMemsetAsync(max_nnz, 0, sizeof(I), handle->stream));

            RETURN_IF_ROCSPARSE_ERROR(rocsparse_coo2csr_template(
                handle, coo_row_ind, (I)nnz, m, csr_row_ptr, descr->base));

            RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((csr_max_nnz_per_row<256, I, I>),
                                               dim3((m - 1) / 256 + 1),
                                               dim3(256),
                                               0,
                                               handle->stream,
                                               m,
                                               csr_row_ptr,
                                               max_nnz);

            RETURN_IF_HIP_ERROR(hipMemcpyAsync(&descr->max_nnz_per_row,
                                               max_nnz,
                                               sizeof(I),
                                               hipMemcpyDeviceToHost,
                                               handle->stream));
            RETURN_IF_HIP_ERROR(hipStreamSynchronize(handle->stream));

            RETURN_IF_HIP_ERROR(rocsparse_hipFreeAsync(max_nnz, handle->stream));
            RETURN_IF_HIP_ERROR(rocsparse_hipFreeAsync(csr_row_ptr, handle->stream));
        }
        else
        {
            int64_t* max_nnz     = nullptr;
            int64_t* csr_row_ptr = nullptr;
            RETURN_IF_HIP_ERROR(
                rocsparse_hipMallocAsync((void**)&max_nnz, sizeof(I), handle->stream));

            RETURN_IF_HIP_ERROR(rocsparse_hipMallocAsync(
                (void**)&csr_row_ptr, sizeof(int64_t) * (m + 1), handle->stream));
            RETURN_IF_HIP_ERROR(hipMemsetAsync(max_nnz, 0, sizeof(I), handle->stream));

            RETURN_IF_ROCSPARSE_ERROR(
                rocsparse_coo2csr_template(handle, coo_row_ind, nnz, m, csr_row_ptr, descr->base));

            RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((csr_max_nnz_per_row<256, int64_t, int64_t>),
                                               dim3((m - 1) / 256 + 1),
                                               dim3(256),
                                               0,
                                               handle->stream,
                                               m,
                                               csr_row_ptr,
                                               max_nnz);

            int64_t local_max_nnz;
            RETURN_IF_HIP_ERROR(hipMemcpyAsync(
                &local_max_nnz, max_nnz, sizeof(int64_t), hipMemcpyDeviceToHost, handle->stream));
            RETURN_IF_HIP_ERROR(hipStreamSynchronize(handle->stream));

            RETURN_IF_HIP_ERROR(rocsparse_hipFreeAsync(max_nnz, handle->stream));
            RETURN_IF_HIP_ERROR(rocsparse_hipFreeAsync(csr_row_ptr, handle->stream));
        }

        break;
    }
    case rocsparse_operation_transpose:
    case rocsparse_operation_conjugate_transpose:
    {
        break;
    }
    }

    return rocsparse_status_success;
}

template <typename I, typename A, typename X, typename Y, typename U>
static rocsparse_status rocsparse_coomv_atomic_dispatch(rocsparse_handle          handle,
                                                        rocsparse_operation       trans,
                                                        I                         m,
                                                        I                         n,
                                                        int64_t                   nnz,
                                                        U                         alpha_device_host,
                                                        const rocsparse_mat_descr descr,
                                                        const A*                  coo_val,
                                                        const I*                  coo_row_ind,
                                                        const I*                  coo_col_ind,
                                                        const X*                  x,
                                                        U                         beta_device_host,
                                                        Y*                        y)
{
    // Stream
    hipStream_t stream = handle->stream;

    I ysize = (trans == rocsparse_operation_none) ? m : n;

    if(handle->pointer_mode == rocsparse_pointer_mode_device)
    {
        // Scale y with beta
        RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomv_scale<1024>),
                                           dim3((ysize - 1) / 1024 + 1),
                                           dim3(1024),
                                           0,
                                           handle->stream,
                                           ysize,
                                           beta_device_host,
                                           y);
    }
    else
    {
        auto beta = load_scalar_device_host(beta_device_host);
        // If beta == 0.0 we need to set y to 0
        if(beta == 0)
        {
            RETURN_IF_HIP_ERROR(hipMemsetAsync(y, 0, sizeof(Y) * ysize, handle->stream));
        }
        else if(beta != 1)
        {
            RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomv_scale<1024>),
                                               dim3((ysize - 1) / 1024 + 1),
                                               dim3(1024),
                                               0,
                                               handle->stream,
                                               ysize,
                                               beta,
                                               y);
        }
    }

    // Run different coomv kernels
    switch(trans)
    {
    case rocsparse_operation_none:
    {
        if(descr->max_nnz_per_row <= 10 * 256)
        {
            RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomvn_atomic_loops<256, 1>),
                                               dim3((nnz - 1) / (1 * 256) + 1),
                                               dim3(256),
                                               0,
                                               stream,
                                               nnz,
                                               alpha_device_host,
                                               coo_row_ind,
                                               coo_col_ind,
                                               coo_val,
                                               x,
                                               y,
                                               descr->base);
        }
        else
        {
            RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomvn_atomic_loops<256, 2>),
                                               dim3((nnz - 1) / (2 * 256) + 1),
                                               dim3(256),
                                               0,
                                               stream,
                                               nnz,
                                               alpha_device_host,
                                               coo_row_ind,
                                               coo_col_ind,
                                               coo_val,
                                               x,
                                               y,
                                               descr->base);
        }
        break;
    }
    case rocsparse_operation_transpose:
    case rocsparse_operation_conjugate_transpose:
    {
        RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomvt_kernel<1024>),
                                           dim3((nnz - 1) / 1024 + 1),
                                           dim3(1024),
                                           0,
                                           handle->stream,
                                           trans,
                                           nnz,
                                           alpha_device_host,
                                           coo_row_ind,
                                           coo_col_ind,
                                           coo_val,
                                           x,
                                           y,
                                           descr->base);
        break;
    }
    }

    return rocsparse_status_success;
}

template <typename T, typename I, typename A, typename X, typename Y, typename U>
static rocsparse_status rocsparse_coomv_segmented_dispatch(rocsparse_handle    handle,
                                                           rocsparse_operation trans,
                                                           I                   m,
                                                           I                   n,
                                                           int64_t             nnz,
                                                           U                   alpha_device_host,
                                                           const rocsparse_mat_descr descr,
                                                           const A*                  coo_val,
                                                           const I*                  coo_row_ind,
                                                           const I*                  coo_col_ind,
                                                           const X*                  x,
                                                           U  beta_device_host,
                                                           Y* y)
{
    // Stream
    hipStream_t stream = handle->stream;

    I ysize = (trans == rocsparse_operation_none) ? m : n;

    if(handle->pointer_mode == rocsparse_pointer_mode_device)
    {
        // Scale y with beta
        RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomv_scale<1024>),
                                           dim3((ysize - 1) / 1024 + 1),
                                           dim3(1024),
                                           0,
                                           handle->stream,
                                           ysize,
                                           beta_device_host,
                                           y);
    }
    else
    {
        auto beta = load_scalar_device_host(beta_device_host);
        // If beta == 0.0 we need to set y to 0
        if(beta == 0)
        {
            RETURN_IF_HIP_ERROR(hipMemsetAsync(y, 0, sizeof(Y) * ysize, handle->stream));
        }
        else if(beta != 1)
        {
            RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomv_scale<1024>),
                                               dim3((ysize - 1) / 1024 + 1),
                                               dim3(1024),
                                               0,
                                               handle->stream,
                                               ysize,
                                               beta,
                                               y);
        }
    }

    // Run different coomv kernels
    switch(trans)
    {
    case rocsparse_operation_none:
    {
#define COOMVN_DIM 256

        int maxthreads = handle->properties.maxThreadsPerBlock;
        int nprocs     = 2 * handle->properties.multiProcessorCount;
        int maxblocks  = (nprocs * maxthreads - 1) / COOMVN_DIM + 1;

        I minblocks = (nnz - 1) / COOMVN_DIM + 1;
        I nblocks   = maxblocks < minblocks ? maxblocks : minblocks;
        I nloops    = (nnz - 1) / (COOMVN_DIM * nblocks) + 1;

        // Buffer
        char* ptr = reinterpret_cast<char*>(handle->buffer);
        ptr += 256;

        // row block reduction buffer
        I* row_block_red = reinterpret_cast<I*>(ptr);
        ptr += ((sizeof(I) * nblocks - 1) / 256 + 1) * 256;

        // val block reduction buffer
        T* val_block_red = reinterpret_cast<T*>(ptr);

        RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomvn_segmented_loops<COOMVN_DIM>),
                                           dim3(nblocks),
                                           dim3(COOMVN_DIM),
                                           0,
                                           stream,
                                           nnz,
                                           nloops,
                                           alpha_device_host,
                                           coo_row_ind,
                                           coo_col_ind,
                                           coo_val,
                                           x,
                                           y,
                                           row_block_red,
                                           val_block_red,
                                           descr->base);

        RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomvn_segmented_loops_reduce<COOMVN_DIM>),
                                           dim3(1),
                                           dim3(COOMVN_DIM),
                                           0,
                                           stream,
                                           nblocks,
                                           alpha_device_host,
                                           row_block_red,
                                           val_block_red,
                                           y);
#undef COOMVN_DIM
        break;
    }
    case rocsparse_operation_transpose:
    case rocsparse_operation_conjugate_transpose:
    {
        RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((coomvt_kernel<1024>),
                                           dim3((nnz - 1) / 1024 + 1),
                                           dim3(1024),
                                           0,
                                           handle->stream,
                                           trans,
                                           nnz,
                                           alpha_device_host,
                                           coo_row_ind,
                                           coo_col_ind,
                                           coo_val,
                                           x,
                                           y,
                                           descr->base);
        break;
    }
    }

    return rocsparse_status_success;
}

template <typename T, typename I, typename A, typename X, typename Y, typename U>
rocsparse_status rocsparse_coomv_dispatch(rocsparse_handle          handle,
                                          rocsparse_operation       trans,
                                          rocsparse_coomv_alg       alg,
                                          I                         m,
                                          I                         n,
                                          int64_t                   nnz,
                                          U                         alpha_device_host,
                                          const rocsparse_mat_descr descr,
                                          const A*                  coo_val,
                                          const I*                  coo_row_ind,
                                          const I*                  coo_col_ind,
                                          const X*                  x,
                                          U                         beta_device_host,
                                          Y*                        y)
{
    switch(alg)
    {
    case rocsparse_coomv_alg_default:
    case rocsparse_coomv_alg_segmented:
    {
        RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomv_segmented_dispatch<T>(handle,
                                                                        trans,
                                                                        m,
                                                                        n,
                                                                        nnz,
                                                                        alpha_device_host,
                                                                        descr,
                                                                        coo_val,
                                                                        coo_row_ind,
                                                                        coo_col_ind,
                                                                        x,
                                                                        beta_device_host,
                                                                        y));
        return rocsparse_status_success;
    }
    case rocsparse_coomv_alg_atomic:
    {
        RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomv_atomic_dispatch(handle,
                                                                  trans,
                                                                  m,
                                                                  n,
                                                                  nnz,
                                                                  alpha_device_host,
                                                                  descr,
                                                                  coo_val,
                                                                  coo_row_ind,
                                                                  coo_col_ind,
                                                                  x,
                                                                  beta_device_host,
                                                                  y));
        return rocsparse_status_success;
    }
    }

    RETURN_IF_ROCSPARSE_ERROR(rocsparse_status_invalid_value);
}

template <typename T, typename I, typename A, typename X, typename Y>
rocsparse_status rocsparse_coomv_template(rocsparse_handle          handle,
                                          rocsparse_operation       trans,
                                          rocsparse_coomv_alg       alg,
                                          I                         m,
                                          I                         n,
                                          int64_t                   nnz,
                                          const T*                  alpha_device_host,
                                          const rocsparse_mat_descr descr,
                                          const A*                  coo_val,
                                          const I*                  coo_row_ind,
                                          const I*                  coo_col_ind,
                                          const X*                  x,
                                          const T*                  beta_device_host,
                                          Y*                        y)
{
    const rocsparse_int ysize = (trans == rocsparse_operation_none) ? m : n;

    // Quick return if possible
    if(m == 0 || n == 0 || nnz == 0)
    {
        // matrix never accessed however still need to update y vector
        if(ysize > 0)
        {
            if(handle->pointer_mode == rocsparse_pointer_mode_device)
            {
                RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((scale_array<256>),
                                                   dim3((ysize - 1) / 256 + 1),
                                                   dim3(256),
                                                   0,
                                                   handle->stream,
                                                   ysize,
                                                   y,
                                                   beta_device_host);
            }
            else
            {
                RETURN_IF_HIPLAUNCHKERNELGGL_ERROR((scale_array<256>),
                                                   dim3((ysize - 1) / 256 + 1),
                                                   dim3(256),
                                                   0,
                                                   handle->stream,
                                                   ysize,
                                                   y,
                                                   *beta_device_host);
            }
        }

        return rocsparse_status_success;
    }

    if(handle->pointer_mode == rocsparse_pointer_mode_host
       && *alpha_device_host == static_cast<T>(0) && *beta_device_host == static_cast<T>(1))
    {
        return rocsparse_status_success;
    }

    if(handle->pointer_mode == rocsparse_pointer_mode_device)
    {
        RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomv_dispatch<T>(handle,
                                                              trans,
                                                              alg,
                                                              m,
                                                              n,
                                                              nnz,
                                                              alpha_device_host,
                                                              descr,
                                                              coo_val,
                                                              coo_row_ind,
                                                              coo_col_ind,
                                                              x,
                                                              beta_device_host,
                                                              y));
        return rocsparse_status_success;
    }
    else
    {
        RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomv_dispatch<T>(handle,
                                                              trans,
                                                              alg,
                                                              m,
                                                              n,
                                                              nnz,
                                                              *alpha_device_host,
                                                              descr,
                                                              coo_val,
                                                              coo_row_ind,
                                                              coo_col_ind,
                                                              x,
                                                              *beta_device_host,
                                                              y));
        return rocsparse_status_success;
    }

    return rocsparse_status_success;
}

template <typename T>
rocsparse_status rocsparse_coomv_impl(rocsparse_handle          handle,
                                      rocsparse_operation       trans,
                                      rocsparse_int             m,
                                      rocsparse_int             n,
                                      rocsparse_int             nnz,
                                      const T*                  alpha_device_host,
                                      const rocsparse_mat_descr descr,
                                      const T*                  coo_val,
                                      const rocsparse_int*      coo_row_ind,
                                      const rocsparse_int*      coo_col_ind,
                                      const T*                  x,
                                      const T*                  beta_device_host,
                                      T*                        y)
{
    // Check for valid handle and matrix descriptor
    ROCSPARSE_CHECKARG_HANDLE(0, handle);
    ROCSPARSE_CHECKARG_POINTER(6, descr);

    // Logging
    log_trace(handle,
              replaceX<T>("rocsparse_Xcoomv"),
              trans,
              m,
              n,
              nnz,
              LOG_TRACE_SCALAR_VALUE(handle, alpha_device_host),
              (const void*&)descr,
              (const void*&)coo_val,
              (const void*&)coo_row_ind,
              (const void*&)coo_col_ind,
              (const void*&)x,
              LOG_TRACE_SCALAR_VALUE(handle, beta_device_host),
              (const void*&)y);

    ROCSPARSE_CHECKARG_ENUM(1, trans);

    // Check matrix type
    ROCSPARSE_CHECKARG(
        6, descr, (descr->type != rocsparse_matrix_type_general), rocsparse_status_not_implemented);

    // Check sizes
    ROCSPARSE_CHECKARG_SIZE(2, m);
    ROCSPARSE_CHECKARG_SIZE(3, n);
    ROCSPARSE_CHECKARG_SIZE(4, nnz);

    const rocsparse_int xsize = (trans == rocsparse_operation_none) ? n : m;
    const rocsparse_int ysize = (trans == rocsparse_operation_none) ? m : n;

    // Check pointer arguments
    ROCSPARSE_CHECKARG_POINTER(5, alpha_device_host);
    ROCSPARSE_CHECKARG_POINTER(11, beta_device_host);

    if(handle->pointer_mode == rocsparse_pointer_mode_host
       && *alpha_device_host == static_cast<T>(0) && *beta_device_host == static_cast<T>(1))
    {
        return rocsparse_status_success;
    }

    // Check the rest of the pointer arguments
    ROCSPARSE_CHECKARG_ARRAY(10, xsize, x);
    ROCSPARSE_CHECKARG_ARRAY(12, ysize, y);

    ROCSPARSE_CHECKARG_ARRAY(7, nnz, coo_val);
    ROCSPARSE_CHECKARG_ARRAY(8, nnz, coo_row_ind);
    ROCSPARSE_CHECKARG_ARRAY(9, nnz, coo_col_ind);

    RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomv_template(handle,
                                                       trans,
                                                       rocsparse_coomv_alg_segmented,
                                                       m,
                                                       n,
                                                       nnz,
                                                       alpha_device_host,
                                                       descr,
                                                       coo_val,
                                                       coo_row_ind,
                                                       coo_col_ind,
                                                       x,
                                                       beta_device_host,
                                                       y));
    return rocsparse_status_success;
}

#define INSTANTIATE(TTYPE, ITYPE)                                              \
    template rocsparse_status rocsparse_coomv_analysis_template<ITYPE, TTYPE>( \
        rocsparse_handle          handle,                                      \
        rocsparse_operation       trans,                                       \
        rocsparse_coomv_alg       coomv_alg,                                   \
        ITYPE                     m,                                           \
        ITYPE                     n,                                           \
        int64_t                   nnz,                                         \
        const rocsparse_mat_descr descr,                                       \
        const TTYPE*              coo_val,                                     \
        const ITYPE*              coo_row_ind,                                 \
        const ITYPE*              coo_col_ind);                                             \
    template rocsparse_status rocsparse_coomv_template<TTYPE, ITYPE>(          \
        rocsparse_handle          handle,                                      \
        rocsparse_operation       trans,                                       \
        rocsparse_coomv_alg       coomv_alg,                                   \
        ITYPE                     m,                                           \
        ITYPE                     n,                                           \
        int64_t                   nnz,                                         \
        const TTYPE*              alpha_device_host,                           \
        const rocsparse_mat_descr descr,                                       \
        const TTYPE*              coo_val,                                     \
        const ITYPE*              coo_row_ind,                                 \
        const ITYPE*              coo_col_ind,                                 \
        const TTYPE*              x,                                           \
        const TTYPE*              beta_device_host,                            \
        TTYPE*                    y);

INSTANTIATE(float, int32_t);
INSTANTIATE(float, int64_t);
INSTANTIATE(double, int32_t);
INSTANTIATE(double, int64_t);
INSTANTIATE(rocsparse_float_complex, int32_t);
INSTANTIATE(rocsparse_float_complex, int64_t);
INSTANTIATE(rocsparse_double_complex, int32_t);
INSTANTIATE(rocsparse_double_complex, int64_t);
#undef INSTANTIATE

#define INSTANTIATE_MIXED_ANALYSIS(ITYPE, ATYPE)                                                     \
    template rocsparse_status rocsparse_coomv_analysis_template(rocsparse_handle          handle,    \
                                                                rocsparse_operation       trans,     \
                                                                rocsparse_coomv_alg       coomv_alg, \
                                                                ITYPE                     m,         \
                                                                ITYPE                     n,         \
                                                                int64_t                   nnz,       \
                                                                const rocsparse_mat_descr descr,     \
                                                                const ATYPE*              coo_val,   \
                                                                const ITYPE* coo_row_ind,            \
                                                                const ITYPE* coo_col_ind);

INSTANTIATE_MIXED_ANALYSIS(int32_t, int8_t);
INSTANTIATE_MIXED_ANALYSIS(int64_t, int8_t);
#undef INSTANTIATE_MIXED_ANALYSIS

#define INSTANTIATE_MIXED(TTYPE, ITYPE, ATYPE, XTYPE, YTYPE)                                        \
    template rocsparse_status rocsparse_coomv_template(rocsparse_handle          handle,            \
                                                       rocsparse_operation       trans,             \
                                                       rocsparse_coomv_alg       coomv_alg,         \
                                                       ITYPE                     m,                 \
                                                       ITYPE                     n,                 \
                                                       int64_t                   nnz,               \
                                                       const TTYPE*              alpha_device_host, \
                                                       const rocsparse_mat_descr descr,             \
                                                       const ATYPE*              coo_val,           \
                                                       const ITYPE*              coo_row_ind,       \
                                                       const ITYPE*              coo_col_ind,       \
                                                       const XTYPE*              x,                 \
                                                       const TTYPE*              beta_device_host,  \
                                                       YTYPE*                    y);

INSTANTIATE_MIXED(int32_t, int32_t, int8_t, int8_t, int32_t);
INSTANTIATE_MIXED(int32_t, int64_t, int8_t, int8_t, int32_t);
INSTANTIATE_MIXED(float, int32_t, int8_t, int8_t, float);
INSTANTIATE_MIXED(float, int64_t, int8_t, int8_t, float);
INSTANTIATE_MIXED(
    rocsparse_float_complex, int32_t, float, rocsparse_float_complex, rocsparse_float_complex);
INSTANTIATE_MIXED(
    rocsparse_float_complex, int64_t, float, rocsparse_float_complex, rocsparse_float_complex);
INSTANTIATE_MIXED(
    rocsparse_double_complex, int32_t, double, rocsparse_double_complex, rocsparse_double_complex);
INSTANTIATE_MIXED(
    rocsparse_double_complex, int64_t, double, rocsparse_double_complex, rocsparse_double_complex);

INSTANTIATE_MIXED(double, int32_t, float, double, double);
INSTANTIATE_MIXED(double, int64_t, float, double, double);

INSTANTIATE_MIXED(rocsparse_double_complex,
                  int32_t,
                  rocsparse_float_complex,
                  rocsparse_double_complex,
                  rocsparse_double_complex);
INSTANTIATE_MIXED(rocsparse_double_complex,
                  int64_t,
                  rocsparse_float_complex,
                  rocsparse_double_complex,
                  rocsparse_double_complex);

#undef INSTANTIATE_MIXED

/*
 * ===========================================================================
 *    C wrapper
 * ===========================================================================
 */
#define C_IMPL(NAME, TYPE)                                                  \
    extern "C" rocsparse_status NAME(rocsparse_handle          handle,      \
                                     rocsparse_operation       trans,       \
                                     rocsparse_int             m,           \
                                     rocsparse_int             n,           \
                                     rocsparse_int             nnz,         \
                                     const TYPE*               alpha,       \
                                     const rocsparse_mat_descr descr,       \
                                     const TYPE*               coo_val,     \
                                     const rocsparse_int*      coo_row_ind, \
                                     const rocsparse_int*      coo_col_ind, \
                                     const TYPE*               x,           \
                                     const TYPE*               beta,        \
                                     TYPE*                     y)           \
    try                                                                     \
    {                                                                       \
        RETURN_IF_ROCSPARSE_ERROR(rocsparse_coomv_impl(handle,              \
                                                       trans,               \
                                                       m,                   \
                                                       n,                   \
                                                       nnz,                 \
                                                       alpha,               \
                                                       descr,               \
                                                       coo_val,             \
                                                       coo_row_ind,         \
                                                       coo_col_ind,         \
                                                       x,                   \
                                                       beta,                \
                                                       y));                 \
        return rocsparse_status_success;                                    \
    }                                                                       \
    catch(...)                                                              \
    {                                                                       \
        RETURN_ROCSPARSE_EXCEPTION();                                       \
    }

C_IMPL(rocsparse_scoomv, float);
C_IMPL(rocsparse_dcoomv, double);
C_IMPL(rocsparse_ccoomv, rocsparse_float_complex);
C_IMPL(rocsparse_zcoomv, rocsparse_double_complex);
#undef C_IMPL
