/usr/include/trilinos/Zoltan2_Model.hpp is in libtrilinos-zoltan2-dev 12.10.1-3.
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//
// ***********************************************************************
//
// Zoltan2: A package of combinatorial algorithms for scientific computing
// Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
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//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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//
// Questions? Contact Karen Devine (kddevin@sandia.gov)
// Erik Boman (egboman@sandia.gov)
// Siva Rajamanickam (srajama@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
/*! \file Zoltan2_Model.hpp
\brief Defines the Model interface.
*/
#ifndef _ZOLTAN2_MODEL_HPP_
#define _ZOLTAN2_MODEL_HPP_
#include <Zoltan2_Standards.hpp>
#include <bitset>
namespace Zoltan2 {
/*! \brief An identifier for the general type of model.
*/
enum ModelType
{
HypergraphModelType,
GraphModelType,
CoordinateModelType,
IdentifierModelType,
MAX_NUM_MODEL_TYPES
};
/*! \brief Flags are set by a Problem to tell a Model what transformations
* it may need to do on the user's input.
*/
enum ModelFlags{
// General flags
GENERATE_CONSECUTIVE_IDS, /*!< \brief algorithm requires consecutive ids */
// Graph model flags
BUILD_LOCAL_GRAPH, /*!< \brief model represents graph within only one rank*/
SYMMETRIZE_INPUT_TRANSPOSE, /*!< \brief model must symmetrize input */
SYMMETRIZE_INPUT_BIPARTITE, /*!< \brief model must symmetrize input */
VERTICES_ARE_MATRIX_ROWS, /*!< \brief use matrix rows as graph vertices */
VERTICES_ARE_MATRIX_COLUMNS,/*!< \brief use columns as graph vertices */
VERTICES_ARE_MATRIX_NONZEROS, /*!< \brief use nonzeros as graph vertices */
VERTICES_ARE_MESH_NODES, /*!< \brief use mesh nodes as vertices */
VERTICES_ARE_MESH_ELEMENTS, /*!< \brief use mesh elements as vertices */
REMOVE_SELF_EDGES, /*!< \brief algorithm requires no self edges */
BUILD_SUBSET_GRAPH, /*!< \brief ignore invalid neighbors */
NUM_MODEL_FLAGS
};
typedef std::bitset<NUM_MODEL_FLAGS> modelFlag_t;
/*! \brief The base class for all model classes.
The Model is the computational model created by a Problem based on
the user's input data and parameters. Graphs, hypergraph, and
collections of geometric coordinates are examples of computational
models.
The Problem passes the Model to an algorithm.
The algorithm queries the Model for input to its calculation.
\todo Add HypergraphModel, CoordinateModel
*/
template <typename Adapter>
class Model
{
public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef typename Adapter::lno_t lno_t;
typedef typename Adapter::gno_t gno_t;
typedef typename Adapter::scalar_t scalar_t;
typedef typename Adapter::user_t user_t;
typedef typename Adapter::userCoord_t userCoord_t;
#endif
/*! Destructor
*/
virtual ~Model() {};
/*! Constructor
*/
Model() {}
/*! \brief Return the local number of objects.
*
* Return the local number of objects, which may be
* vertices, matrix rows, identifiers, coordinates,
* or mesh nodes or elements.
*/
virtual size_t getLocalNumObjects() const = 0;
/*! \brief Return the global number of objects.
*
* Return the global number of objects, which may be
* vertices, matrix rows, identifiers, coordinates,
* or mesh nodes or elements.
*/
virtual global_size_t getGlobalNumObjects() const = 0;
protected:
private:
};
} // namespace Zoltan2
#endif
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