ytAdjGraph.h

/*
  math/ytAdjGraph.{h,c} : Adjacent Matrix Graph
  Copyright (C) 2018, Yoshinori Tamada <tamada  A T  ytlab.jp>
  All rights reserved.
 
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
 
  * Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 
  * 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.
 
  * Neither the name of Kyoto University nor the names of its 
    contributors may be used to endorse or promote products derived 
    from this software without specific prior written permission.
 
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef __YTLIB_ADJ_GRAPH_H
#define __YTLIB_ADJ_GRAPH_H
 
#include "ytGraph.h"
 
typedef struct {
#ifdef DOXY
private:
#endif
  ytGraph super;
  int nodes;
  char * matrix; /* (u,v) edge is stored in matrix[u + v * nodes]. */
  int * work; /* for returning a parent list. */
} ytAdjGraph;
 
ytAdjGraph * ytAdjGraph_new(int nodes);
void ytAdjGraph_delete(ytAdjGraph * this);
int ytAdjGraph_numNodes(const ytAdjGraph * this);
int ytAdjGraph_numEdges(const ytAdjGraph * this);
int ytAdjGraph_checkEdge(const ytAdjGraph * this, int src, int dst);
int ytAdjGraph_degree(const ytAdjGraph * this, int j);
int ytAdjGraph_numParents(const ytAdjGraph * this, int j);
int ytAdjGraph_numChildren(const ytAdjGraph * this, int j);
void ytAdjGraph_addEdge(ytAdjGraph * this, int src, int dst);
const int * ytAdjGraph_getParents(const ytAdjGraph * this, int j);
void ytAdjGraph_removeEdge(ytAdjGraph * this, int src, int dst);
void ytAdjGraph_clear(ytAdjGraph * this);
void ytAdjGraph_print(const ytAdjGraph * this, FILE * fp);
ytGraphEdgeIter * ytAdjGraph_edgeIter(const ytAdjGraph * this);
void ytAdjGraph_edgeIterNext(const ytAdjGraph * this, ytGraphEdgeIter * iter);
 
#ifdef USE_MPI
void ytAdjGraph_MPI_BcastI(ytObject ** pg, int root, MPI_Comm comm);
#endif
 
#endif /* __YTLIB_ADJ_GRAPH_H */