/* ************************************************************************
 * Copyright 2016-2021 Advanced Micro Devices, Inc.
 * ************************************************************************ */
#include "logging.hpp"
#include "rocblas_herkx.hpp"
#include "utility.hpp"

namespace
{
    template <typename>
    constexpr char rocblas_herkx_name[] = "unknown";
    template <>
    constexpr char rocblas_herkx_name<rocblas_float_complex>[] = "rocblas_cherkx_strided_batched";
    template <>
    constexpr char rocblas_herkx_name<rocblas_double_complex>[] = "rocblas_zherkx_strided_batched";

    template <typename T>
    rocblas_status rocblas_herkx_strided_batched_impl(rocblas_handle    handle,
                                                      rocblas_fill      uplo,
                                                      rocblas_operation trans,
                                                      rocblas_int       n,
                                                      rocblas_int       k,
                                                      const T*          alpha,
                                                      const T*          A,
                                                      rocblas_int       lda,
                                                      rocblas_stride    stride_a,
                                                      const T*          B,
                                                      rocblas_int       ldb,
                                                      rocblas_stride    stride_b,
                                                      const real_t<T>*  beta,
                                                      T*                C,
                                                      rocblas_int       ldc,
                                                      rocblas_stride    stride_c,
                                                      rocblas_int       batch_count)
    {
        if(!handle)
            return rocblas_status_invalid_handle;

        RETURN_ZERO_DEVICE_MEMORY_SIZE_IF_QUERIED(handle);

        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);
            auto transA_letter = rocblas_transpose_letter(trans);

            if(layer_mode & rocblas_layer_mode_log_trace)
                log_trace(handle,
                          rocblas_herkx_name<T>,
                          uplo,
                          trans,
                          n,
                          k,
                          LOG_TRACE_SCALAR_VALUE(handle, alpha),
                          A,
                          lda,
                          stride_a,
                          B,
                          ldb,
                          stride_b,
                          LOG_TRACE_SCALAR_VALUE(handle, beta),
                          C,
                          ldc,
                          stride_c,
                          batch_count);

            if(layer_mode & rocblas_layer_mode_log_bench)
                log_bench(handle,
                          "./rocblas-bench -f herkx_strided_batched -r",
                          rocblas_precision_string<T>,
                          "--uplo",
                          uplo_letter,
                          "--transposeA",
                          transA_letter,
                          "-n",
                          n,
                          "-k",
                          k,
                          LOG_BENCH_SCALAR_VALUE(handle, alpha),
                          "--lda",
                          lda,
                          "--stride_a",
                          stride_a,
                          "--ldb",
                          ldb,
                          "--stride_b",
                          stride_b,
                          LOG_BENCH_SCALAR_VALUE(handle, beta),
                          "--ldc",
                          ldc,
                          "--stride_c",
                          stride_c,
                          "--batch_count",
                          batch_count);

            if(layer_mode & rocblas_layer_mode_log_profile)
                log_profile(handle,
                            rocblas_herkx_name<T>,
                            "uplo",
                            uplo_letter,
                            "trans",
                            transA_letter,
                            "N",
                            n,
                            "K",
                            k,
                            "lda",
                            lda,
                            "stride_a",
                            stride_a,
                            "ldb",
                            ldb,
                            "stride_b",
                            stride_b,
                            "ldc",
                            ldc,
                            "stride_c",
                            stride_c,
                            "batch_count",
                            batch_count);
        }

        static constexpr rocblas_stride offset_C = 0, offset_A = 0, offset_B = 0;

        // her2k arg check equivalent
        rocblas_status arg_status = rocblas_her2k_arg_check(handle,
                                                            uplo,
                                                            trans,
                                                            n,
                                                            k,
                                                            alpha,
                                                            A,
                                                            offset_A,
                                                            lda,
                                                            stride_a,
                                                            B,
                                                            offset_B,
                                                            ldb,
                                                            stride_b,
                                                            beta,
                                                            C,
                                                            offset_C,
                                                            ldc,
                                                            stride_c,
                                                            batch_count);
        if(arg_status != rocblas_status_continue)
            return arg_status;

        static constexpr bool is2K    = false; // herkx
        static constexpr bool BATCHED = false;
        return rocblas_internal_her2k_template<BATCHED, is2K>(handle,
                                                              uplo,
                                                              trans,
                                                              n,
                                                              k,
                                                              alpha,
                                                              A,
                                                              offset_A,
                                                              lda,
                                                              stride_a,
                                                              B,
                                                              offset_B,
                                                              ldb,
                                                              stride_b,
                                                              beta,
                                                              C,
                                                              offset_C,
                                                              ldc,
                                                              stride_c,
                                                              batch_count);
    }

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

extern "C" {

#ifdef IMPL
#error IMPL ALREADY DEFINED
#endif

#define IMPL(routine_name_, S_, T_)                             \
    rocblas_status routine_name_(rocblas_handle    handle,      \
                                 rocblas_fill      uplo,        \
                                 rocblas_operation trans,       \
                                 rocblas_int       n,           \
                                 rocblas_int       k,           \
                                 const T_*         alpha,       \
                                 const T_*         A,           \
                                 rocblas_int       lda,         \
                                 rocblas_stride    stride_a,    \
                                 const T_*         B,           \
                                 rocblas_int       ldb,         \
                                 rocblas_stride    stride_b,    \
                                 const S_*         beta,        \
                                 T_*               C,           \
                                 rocblas_int       ldc,         \
                                 rocblas_stride    stride_c,    \
                                 rocblas_int       batch_count) \
    try                                                         \
    {                                                           \
        return rocblas_herkx_strided_batched_impl(handle,       \
                                                  uplo,         \
                                                  trans,        \
                                                  n,            \
                                                  k,            \
                                                  alpha,        \
                                                  A,            \
                                                  lda,          \
                                                  stride_a,     \
                                                  B,            \
                                                  ldb,          \
                                                  stride_b,     \
                                                  beta,         \
                                                  C,            \
                                                  ldc,          \
                                                  stride_c,     \
                                                  batch_count); \
    }                                                           \
    catch(...)                                                  \
    {                                                           \
        return exception_to_rocblas_status();                   \
    }

IMPL(rocblas_cherkx_strided_batched, float, rocblas_float_complex);
IMPL(rocblas_zherkx_strided_batched, double, rocblas_double_complex);

#undef IMPL

} // extern "C"