text: /* ************************************************************************
   * Copyright (c) 2019-2021 Advanced Micro Devices, Inc.
   * ************************************************************************ */
  
  #include "rocauxiliary_orm2r_unm2r.hpp"
  
  template <typename T, bool COMPLEX = is_complex<T>>
  rocblas_status rocsolver_orm2r_unm2r_impl(rocblas_handle handle,
                                            const rocblas_side side,
                                            const rocblas_operation trans,
                                            const rocblas_int m,
                                            const rocblas_int n,
                                            const rocblas_int k,
                                            T* A,
                                            const rocblas_int lda,
                                            T* ipiv,
                                            T* C,
                                            const rocblas_int ldc)
  {
      const char* name = (!is_complex<T> ? "orm2r" : "unm2r");
      ROCSOLVER_ENTER_TOP(name, "--side", side, "--trans", trans, "-m", m, "-n", n, "-k", k, "--lda",
                          lda, "--ldc", ldc);
  
      if(!handle)
          return rocblas_status_invalid_handle;
  
      // argument checking
      rocblas_status st = rocsolver_orm2r_ormqr_argCheck<COMPLEX>(handle, side, trans, m, n, k, lda,
                                                                  ldc, A, C, ipiv);
      if(st != rocblas_status_continue)
          return st;
  
      // working with unshifted arrays
      rocblas_int shiftA = 0;
      rocblas_int shiftC = 0;
  
      // normal (non-batched non-strided) execution
      rocblas_stride strideA = 0;
      rocblas_stride strideP = 0;
      rocblas_stride strideC = 0;
      rocblas_int batch_count = 1;
  
      // memory workspace sizes:
      // size for constants in rocblas calls
      size_t size_scalars;
      // extra requirements for calling LARF
      size_t size_Abyx;
      // size of temporary array for diagonal elements
      size_t size_diag;
      // size of arrays of pointers (for batched cases)
      size_t size_workArr;
      rocsolver_orm2r_unm2r_getMemorySize<T, false>(side, m, n, k, batch_count, &size_scalars,
                                                    &size_Abyx, &size_diag, &size_workArr);
  
      if(rocblas_is_device_memory_size_query(handle))
          return rocblas_set_optimal_device_memory_size(handle, size_scalars, size_Abyx, size_diag,
                                                        size_workArr);
  
      // memory workspace allocation
      void *scalars, *Abyx, *diag, *workArr;
      rocblas_device_malloc mem(handle, size_scalars, size_Abyx, size_diag, size_workArr);
      if(!mem)
          return rocblas_status_memory_error;
  
      scalars = mem[0];
      Abyx = mem[1];
      diag = mem[2];
      workArr = mem[3];
      if(size_scalars > 0)
          init_scalars(handle, (T*)scalars);
  
      // execution
      return rocsolver_orm2r_unm2r_template<T>(handle, side, trans, m, n, k, A, shiftA, lda, strideA,
                                               ipiv, strideP, C, shiftC, ldc, strideC, batch_count,
                                               (T*)scalars, (T*)Abyx, (T*)diag, (T**)workArr);
  }
  
  /*
   * ===========================================================================
   *    C wrapper
   * ===========================================================================
   */
  
  extern "C" {
  
  rocblas_status rocsolver_sorm2r(rocblas_handle handle,
                                  const rocblas_side side,
                                  const rocblas_operation trans,
                                  const rocblas_int m,
                                  const rocblas_int n,
                                  const rocblas_int k,
                                  float* A,
                                  const rocblas_int lda,
                                  float* ipiv,
                                  float* C,
                                  const rocblas_int ldc)
  {
      return rocsolver_orm2r_unm2r_impl<float>(handle, side, trans, m, n, k, A, lda, ipiv, C, ldc);
  }
  
  rocblas_status rocsolver_dorm2r(rocblas_handle handle,
                                  const rocblas_side side,
                                  const rocblas_operation trans,
                                  const rocblas_int m,
                                  const rocblas_int n,
                                  const rocblas_int k,
                                  double* A,
                                  const rocblas_int lda,
                                  double* ipiv,
                                  double* C,
                                  const rocblas_int ldc)
  {
      return rocsolver_orm2r_unm2r_impl<double>(handle, side, trans, m, n, k, A, lda, ipiv, C, ldc);
  }
  
  rocblas_status rocsolver_cunm2r(rocblas_handle handle,
                                  const rocblas_side side,
                                  const rocblas_operation trans,
                                  const rocblas_int m,
                                  const rocblas_int n,
                                  const rocblas_int k,
                                  rocblas_float_complex* A,
                                  const rocblas_int lda,
                                  rocblas_float_complex* ipiv,
                                  rocblas_float_complex* C,
                                  const rocblas_int ldc)
  {
      return rocsolver_orm2r_unm2r_impl<rocblas_float_complex>(handle, side, trans, m, n, k, A, lda,
                                                               ipiv, C, ldc);
  }
  
  rocblas_status rocsolver_zunm2r(rocblas_handle handle,
                                  const rocblas_side side,
                                  const rocblas_operation trans,
                                  const rocblas_int m,
                                  const rocblas_int n,
                                  const rocblas_int k,
                                  rocblas_double_complex* A,
                                  const rocblas_int lda,
                                  rocblas_double_complex* ipiv,
                                  rocblas_double_complex* C,
                                  const rocblas_int ldc)
  {
      return rocsolver_orm2r_unm2r_impl<rocblas_double_complex>(handle, side, trans, m, n, k, A, lda,
                                                                ipiv, C, ldc);
  }
  
  } // extern C
  