FLA_Trsv_external_gpu.c File Reference

(r12600)

Functions
FLA_Error	FLA_Trsv_external_gpu (FLA_Uplo uplo, FLA_Trans trans, FLA_Diag diag, FLA_Obj A, void *A_gpu, FLA_Obj x, void *x_gpu)

---

Function Documentation

FLA_Error FLA_Trsv_external_gpu	(	FLA_Uplo	uplo,
		FLA_Trans	trans,
		FLA_Diag	diag,
		FLA_Obj	A,
		void *	A_gpu,
		FLA_Obj	x,
		void *	x_gpu
	)

References FLA_Check_error_level(), FLA_Obj_datatype(), FLA_Obj_has_zero_dim(), FLA_Obj_length(), FLA_Param_map_flame_to_netlib_diag(), FLA_Param_map_flame_to_netlib_trans(), FLA_Param_map_flame_to_netlib_uplo(), and FLA_Trsv_check().

Referenced by FLASH_Queue_exec_task_gpu().

{
  FLA_Datatype datatype;
  int          m_A;
  int          ldim_A;
  int          inc_x;
  char         blas_uplo;
  char         blas_trans;
  char         blas_diag;

  if ( FLA_Check_error_level() == FLA_FULL_ERROR_CHECKING ) 
    FLA_Trsv_check( uplo, trans, diag, A, x );

  if ( FLA_Obj_has_zero_dim( A ) ) return FLA_SUCCESS;

  datatype = FLA_Obj_datatype( A );

  m_A      = FLA_Obj_length( A );
  ldim_A   = FLA_Obj_length( A );

  inc_x    = 1;

  FLA_Param_map_flame_to_netlib_uplo( uplo, &blas_uplo );
  FLA_Param_map_flame_to_netlib_trans( trans, &blas_trans );
  FLA_Param_map_flame_to_netlib_diag( diag, &blas_diag );


  switch( datatype ){

  case FLA_FLOAT:
  {
    cublasStrsv( blas_uplo,
                 blas_trans,
                 blas_diag,
                 m_A,
                 ( float * ) A_gpu, ldim_A,
                 ( float * ) x_gpu, inc_x );

    break;
  }

  case FLA_DOUBLE:
  {
    cublasDtrsv( blas_uplo,
                 blas_trans,
                 blas_diag,
                 m_A,
                 ( double * ) A_gpu, ldim_A,
                 ( double * ) x_gpu, inc_x );

    break;
  }

  case FLA_COMPLEX:
  {
    cublasCtrsv( blas_uplo,
                 blas_trans,
                 blas_diag,
                 m_A,
                 ( cuComplex * ) A_gpu, ldim_A,
                 ( cuComplex * ) x_gpu, inc_x );

    break;
  }

  case FLA_DOUBLE_COMPLEX:
  {
    cublasZtrsv( blas_uplo,
                 blas_trans,
                 blas_diag,
                 m_A,
                 ( cuDoubleComplex * ) A_gpu, ldim_A,
                 ( cuDoubleComplex * ) x_gpu, inc_x );

    break;
  }

  }

  return FLA_SUCCESS;
}