dglib/graph.c File Reference

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include "type.h"
#include "tree.h"
#include "graph.h"
#include "graph_v1.h"
#include "graph_v2.h"
#include "helpers.h"

Include dependency graph for dglib/graph.c:

Go to the source code of this file.

Macros
#define	DGL_V2   1
#define	__CIO_BEGIN   0
#define	__CIO_W_HEADER   1
#define	__CIO_W_NODEBUFFER   2
#define	__CIO_W_EDGEBUFFER   3
#define	__CIO_R_HEADER   4
#define	__CIO_R_NODEBUFFER   5
#define	__CIO_R_EDGEBUFFER   6
#define	__CIO_END   7
#define	MIN(x, y)   (((x)<(y))?x:y)

Functions
void	dglResetStats (dglGraph_s *pgraph)
int	dglInitialize (dglGraph_s *pGraph, dglByte_t Version, dglInt32_t NodeAttrSize, dglInt32_t EdgeAttrSize, dglInt32_t *pOpaqueSet)
int	dglRelease (dglGraph_s *pGraph)
int	dglUnflatten (dglGraph_s *pGraph)
int	dglFlatten (dglGraph_s *pGraph)
dglInt32_t *	dglGetNode (dglGraph_s *pGraph, dglInt32_t nNodeId)
dglInt32_t *	dglNodeGet_OutEdgeset (dglGraph_s *pGraph, dglInt32_t *pnNode)
dglInt32_t *	dglNodeGet_InEdgeset (dglGraph_s *pGraph, dglInt32_t *pnNode)
dglInt32_t	dglNodeGet_Id (dglGraph_s *pGraph, dglInt32_t *pnNode)
dglInt32_t	dglNodeGet_Status (dglGraph_s *pGraph, dglInt32_t *pnNode)
dglInt32_t *	dglNodeGet_Attr (dglGraph_s *pGraph, dglInt32_t *pnNode)
void	dglNodeSet_Attr (dglGraph_s *pGraph, dglInt32_t *pnNode, dglInt32_t *pnAttr)
int	dglNodeGet_InDegree (dglGraph_s *pGraph, dglInt32_t *pnNode)
int	dglNodeGet_OutDegree (dglGraph_s *pGraph, dglInt32_t *pnNode)
int	dglNodeGet_Valence (dglGraph_s *pGraph, dglInt32_t *pnNode)
dglInt32_t	dglEdgesetGet_EdgeCount (dglGraph_s *pGraph, dglInt32_t *pnEdgeset)
dglInt32_t	dglEdgeGet_Cost (dglGraph_s *pGraph, dglInt32_t *pnEdge)
dglInt32_t	dglEdgeGet_Id (dglGraph_s *pGraph, dglInt32_t *pnEdge)
dglInt32_t *	dglEdgeGet_Head (dglGraph_s *pGraph, dglInt32_t *pnEdge)
dglInt32_t *	dglEdgeGet_Tail (dglGraph_s *pGraph, dglInt32_t *pnEdge)
dglInt32_t *	dglEdgeGet_Attr (dglGraph_s *pGraph, dglInt32_t *pnEdge)
int	dglEdgeSet_Attr (dglGraph_s *pGraph, dglInt32_t *pnAttr, dglInt32_t *pnEdge)
dglInt32_t *	dglGetEdge (dglGraph_s *pGraph, dglInt32_t nEdgeId)
int	dglDelEdge (dglGraph_s *pGraph, dglInt32_t nEdgeId)
int	dglAddEdge (dglGraph_s *pGraph, dglInt32_t nHead, dglInt32_t nTail, dglInt32_t nCost, dglInt32_t nEdge)
int	dglAddEdgeX (dglGraph_s *pGraph, dglInt32_t nHead, dglInt32_t nTail, dglInt32_t nCost, dglInt32_t nEdge, void *pvHeadAttr, void *pvTailAttr, void *pvEdgeAttr, dglInt32_t nFlags)
int	dglAddNode (dglGraph_s *pGraph, dglInt32_t nNodeId, void *pvNodeAttr, dglInt32_t nFlags)
int	dglDelNode (dglGraph_s *pGraph, dglInt32_t nNodeId)
int	dglWrite (dglGraph_s *pGraph, int fd)
int	dglRead (dglGraph_s *pGraph, int fd)
int	dglShortestPath (dglGraph_s *pGraph, dglSPReport_s **ppReport, dglInt32_t nStart, dglInt32_t nDestination, dglSPClip_fn fnClip, void *pvClipArg, dglSPCache_s *pCache)
int	dglShortestDistance (dglGraph_s *pGraph, dglInt32_t *pnDistance, dglInt32_t nStart, dglInt32_t nDestination, dglSPClip_fn fnClip, void *pvClipArg, dglSPCache_s *pCache)
int	dglDepthSpanning (dglGraph_s *pgraphInput, dglGraph_s *pgraphOutput, dglInt32_t nVertexNode, dglSpanClip_fn fnClip, void *pvClipArg)
int	dglDepthComponents (dglGraph_s *pgraphInput, dglGraph_s *pgraphComponents, int cgraphComponents, dglSpanClip_fn fnClip, void *pvClipArg)
int	dglMinimumSpanning (dglGraph_s *pgraphInput, dglGraph_s *pgraphOutput, dglInt32_t nVertexNode, dglSpanClip_fn fnClip, void *pvClipArg)
void	dglFreeSPReport (dglGraph_s *pgraph, dglSPReport_s *pSPReport)
int	dglInitializeSPCache (dglGraph_s *pGraph, dglSPCache_s *pCache)
void	dglReleaseSPCache (dglGraph_s *pGraph, dglSPCache_s *pCache)
int	dglErrno (dglGraph_s *pgraph)
char *	dglStrerror (dglGraph_s *pgraph)
int	dglGet_Version (dglGraph_s *pgraph)
void	dglSet_Version (dglGraph_s *pgraph, int nVersion)
int	dglGet_Endianess (dglGraph_s *pgraph)
int	dglGet_NodeAttrSize (dglGraph_s *pgraph)
int	dglGet_EdgeAttrSize (dglGraph_s *pgraph)
int	dglGet_NodeCount (dglGraph_s *pgraph)
int	dglGet_HeadNodeCount (dglGraph_s *pgraph)
int	dglGet_TailNodeCount (dglGraph_s *pgraph)
int	dglGet_AloneNodeCount (dglGraph_s *pgraph)
int	dglGet_EdgeCount (dglGraph_s *pgraph)
int	dglGet_State (dglGraph_s *pgraph)
dglInt32_t *	dglGet_Opaque (dglGraph_s *pgraph)
void	dglSet_Opaque (dglGraph_s *pgraph, dglInt32_t *pOpaque)
int	dglGet_NodeSize (dglGraph_s *pgraph)
int	dglGet_EdgeSize (dglGraph_s *pgraph)
dglInt64_t	dglGet_Cost (dglGraph_s *pgraph)
void	dglSet_Cost (dglGraph_s *pgraph, dglInt64_t nnCost)
dglInt32_t	dglGet_Family (dglGraph_s *pgraph)
void	dglSet_Family (dglGraph_s *pgraph, dglInt32_t nFamily)
dglInt32_t	dglGet_Options (dglGraph_s *pgraph)
void	dglSet_Options (dglGraph_s *pgraph, dglInt32_t nOptions)
dglEdgePrioritizer_s *	dglGet_EdgePrioritizer (dglGraph_s *pGraph)
dglNodePrioritizer_s *	dglGet_NodePrioritizer (dglGraph_s *pGraph)
int	dglNode_T_Initialize (dglNodeTraverser_s *pT, dglGraph_s *pGraph)
void	dglNode_T_Release (dglNodeTraverser_s *pT)
dglInt32_t *	dglNode_T_First (dglNodeTraverser_s *pT)
dglInt32_t *	dglNode_T_Next (dglNodeTraverser_s *pT)
dglInt32_t *	dglNode_T_Find (dglNodeTraverser_s *pT, dglInt32_t nNodeId)
int	dglEdge_T_Initialize (dglEdgeTraverser_s *pT, dglGraph_s *pGraph, dglEdgePrioritizer_s *pEdgePrioritizer)
void	dglEdge_T_Release (dglEdgeTraverser_s *pT)
dglInt32_t *	dglEdge_T_First (dglEdgeTraverser_s *pT)
dglInt32_t *	dglEdge_T_Next (dglEdgeTraverser_s *pT)
int	dglEdgeset_T_Initialize (dglEdgesetTraverser_s *pT, dglGraph_s *pGraph, dglInt32_t *pnEdgeset)
void	dglEdgeset_T_Release (dglEdgesetTraverser_s *pT)
dglInt32_t *	dglEdgeset_T_First (dglEdgesetTraverser_s *pT)
dglInt32_t *	dglEdgeset_T_Next (dglEdgesetTraverser_s *pT)
int	dglIOContextInitialize (dglGraph_s *pG, dglIOContext_s *pIO)
void	dglIOContextRelease (dglIOContext_s *pIO)
int	dglWriteChunk (dglIOContext_s *pIO, dglWriteChunk_fn pfn, void *pv)
int	dglReadChunk (dglIOContext_s *pIO, dglByte_t *pbChunk, int cbChunk)

Macro Definition Documentation

#define __CIO_BEGIN   0

Definition at line 1554 of file dglib/graph.c.

Referenced by dglIOContextInitialize(), dglReadChunk(), and dglWriteChunk().

#define __CIO_END   7

Definition at line 1561 of file dglib/graph.c.

Referenced by dglReadChunk(), and dglWriteChunk().

#define __CIO_R_EDGEBUFFER   6

Definition at line 1560 of file dglib/graph.c.

Referenced by dglReadChunk().

#define __CIO_R_HEADER   4

Definition at line 1558 of file dglib/graph.c.

Referenced by dglReadChunk().

#define __CIO_R_NODEBUFFER   5

Definition at line 1559 of file dglib/graph.c.

Referenced by dglReadChunk().

#define __CIO_W_EDGEBUFFER   3

Definition at line 1557 of file dglib/graph.c.

Referenced by dglWriteChunk().

#define __CIO_W_HEADER   1

Definition at line 1555 of file dglib/graph.c.

Referenced by dglWriteChunk().

#define __CIO_W_NODEBUFFER   2

Definition at line 1556 of file dglib/graph.c.

Referenced by dglWriteChunk().

#define DGL_V2   1

Definition at line 31 of file dglib/graph.c.

#define MIN	(		x,
			y
	)		(((x)<(y))?x:y)

Definition at line 1691 of file dglib/graph.c.

Referenced by dglReadChunk().

Function Documentation

int dglAddEdge	(	dglGraph_s *	pGraph,
		dglInt32_t	nHead,
		dglInt32_t	nTail,
		dglInt32_t	nCost,
		dglInt32_t	nEdge
	)

Definition at line 610 of file dglib/graph.c.

References dgl_add_edge_V1(), dgl_add_edge_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by NetA_split_vertices(), Vect_graph_add_edge(), and Vect_net_build_graph().

int dglAddEdgeX	(	dglGraph_s *	pGraph,
		dglInt32_t	nHead,
		dglInt32_t	nTail,
		dglInt32_t	nCost,
		dglInt32_t	nEdge,
		void *	pvHeadAttr,
		void *	pvTailAttr,
		void *	pvEdgeAttr,
		dglInt32_t	nFlags
	)

Definition at line 647 of file dglib/graph.c.

References dgl_add_edge_V1(), dgl_add_edge_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, and _dglGraph::Version.

int dglAddNode	(	dglGraph_s *	pGraph,
		dglInt32_t	nNodeId,
		void *	pvNodeAttr,
		dglInt32_t	nFlags
	)

Definition at line 688 of file dglib/graph.c.

References dgl_add_node_V1(), dgl_add_node_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, and _dglGraph::Version.

int dglDelEdge	(	dglGraph_s *	pGraph,
		dglInt32_t	nEdgeId
	)

Definition at line 593 of file dglib/graph.c.

References dgl_del_edge_V1(), dgl_del_edge_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, and _dglGraph::Version.

int dglDelNode	(	dglGraph_s *	pGraph,
		dglInt32_t	nNodeId
	)

Definition at line 711 of file dglib/graph.c.

References dgl_del_node_V1(), dgl_del_node_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, and _dglGraph::Version.

int dglDepthComponents	(	dglGraph_s *	pgraphInput,
		dglGraph_s *	pgraphComponents,
		int	cgraphComponents,
		dglSpanClip_fn	fnClip,
		void *	pvClipArg
	)

Definition at line 914 of file dglib/graph.c.

References avl_create, avl_destroy, avl_find, dgl_depthfirst_spanning_V1(), dgl_depthfirst_spanning_V2(), DGL_ERR_BadVersion, DGL_ERR_MemoryExhausted, DGL_ERR_UnexpectedNullPointer, DGL_NODE_ID_v1, DGL_NODE_ID_v2, DGL_NODE_STATUS_v1, DGL_NODE_STATUS_v2, DGL_NS_HEAD, dglGet_EdgeAttrSize(), dglGet_EdgeCount(), dglGet_NodeAttrSize(), dglGet_Opaque(), dglGet_Version(), dglInitialize(), dglNode_T_First(), dglNode_T_Initialize(), dglNode_T_Next(), dglNode_T_Release(), dglTreeGetAllocator(), dglTreeNodeCancel(), dglTreeNodeCompare(), _dglGraph::iErrno, _dglTreeNode::nKey, NULL, and _dglGraph::Version.

int dglDepthSpanning	(	dglGraph_s *	pgraphInput,
		dglGraph_s *	pgraphOutput,
		dglInt32_t	nVertexNode,
		dglSpanClip_fn	fnClip,
		void *	pvClipArg
	)

Definition at line 849 of file dglib/graph.c.

References avl_create, avl_destroy, dgl_depthfirst_spanning_V1(), dgl_depthfirst_spanning_V2(), DGL_ERR_BadVersion, DGL_ERR_MemoryExhausted, dglGet_EdgeAttrSize(), dglGet_EdgeCount(), dglGet_NodeAttrSize(), dglGet_Opaque(), dglGet_Version(), dglInitialize(), dglRelease(), dglTreeGetAllocator(), dglTreeNodeCancel(), dglTreeNodeCompare(), _dglGraph::iErrno, NULL, and _dglGraph::Version.

dglInt32_t* dglEdge_T_First

(

dglEdgeTraverser_s *

pT

)

Definition at line 1468 of file dglib/graph.c.

References dgl_edge_t_first_V1(), dgl_edge_t_first_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, NULL, dglEdgeTraverser_s::pGraph, and _dglGraph::Version.

int dglEdge_T_Initialize	(	dglEdgeTraverser_s *	pT,
		dglGraph_s *	pGraph,
		dglEdgePrioritizer_s *	pEdgePrioritizer
	)

Definition at line 1435 of file dglib/graph.c.

References dgl_edge_t_initialize_V1(), dgl_edge_t_initialize_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, and _dglGraph::Version.

dglInt32_t* dglEdge_T_Next

(

dglEdgeTraverser_s *

pT

)

Definition at line 1483 of file dglib/graph.c.

References dgl_edge_t_next_V1(), dgl_edge_t_next_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, NULL, dglEdgeTraverser_s::pGraph, and _dglGraph::Version.

void dglEdge_T_Release

(

dglEdgeTraverser_s *

pT

)

Definition at line 1452 of file dglib/graph.c.

References dgl_edge_t_release_V1(), dgl_edge_t_release_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, dglEdgeTraverser_s::pGraph, and _dglGraph::Version.

dglInt32_t* dglEdgeGet_Attr	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnEdge
	)

Definition at line 530 of file dglib/graph.c.

References DGL_EDGE_ATTR_PTR_v1, DGL_EDGE_ATTR_PTR_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, _dglGraph::iErrno, NULL, and _dglGraph::Version.

dglInt32_t dglEdgeGet_Cost	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnEdge
	)

Definition at line 418 of file dglib/graph.c.

References DGL_EDGE_COST_v1, DGL_EDGE_COST_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, _dglGraph::iErrno, and _dglGraph::Version.

Referenced by NetA_allpairs(), NetA_betweenness_closeness(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), Vect_graph_shortest_path(), and Vect_net_shortest_path().

dglInt32_t* dglEdgeGet_Head	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnEdge
	)

Definition at line 458 of file dglib/graph.c.

References DGL_EDGE_HEADNODE_OFFSET_v1, DGL_EDGE_HEADNODE_OFFSET_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, dgl_get_node_V1(), dgl_get_node_V2(), DGL_GS_FLAT, DGL_NODEBUFFER_SHIFT_v1, DGL_NODEBUFFER_SHIFT_v2, _dglGraph::Flags, _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by NetA_find_path(), NetA_flow(), and NetA_spanning_tree().

dglInt32_t dglEdgeGet_Id	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnEdge
	)

Definition at line 438 of file dglib/graph.c.

References DGL_EDGE_ID_v1, DGL_EDGE_ID_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, _dglGraph::iErrno, and _dglGraph::Version.

Referenced by NetA_allpairs(), NetA_compute_bridges(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_strongly_connected_components(), Vect_graph_shortest_path(), and Vect_net_shortest_path().

dglInt32_t* dglEdgeGet_Tail	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnEdge
	)

Definition at line 494 of file dglib/graph.c.

References DGL_EDGE_TAILNODE_OFFSET_v1, DGL_EDGE_TAILNODE_OFFSET_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, dgl_get_node_V1(), dgl_get_node_V2(), DGL_GS_FLAT, DGL_NODEBUFFER_SHIFT_v1, DGL_NODEBUFFER_SHIFT_v2, _dglGraph::Flags, _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

int dglEdgeSet_Attr	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnAttr,
		dglInt32_t *	pnEdge
	)

Definition at line 550 of file dglib/graph.c.

References DGL_EDGE_ATTR_PTR_v1, DGL_EDGE_ATTR_PTR_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, _dglGraph::EdgeAttrSize, _dglGraph::iErrno, and _dglGraph::Version.

dglInt32_t* dglEdgeset_T_First

(

dglEdgesetTraverser_s *

pT

)

Definition at line 1519 of file dglib/graph.c.

References dgl_edgeset_t_first_V1(), dgl_edgeset_t_first_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, NULL, dglEdgesetTraverser_s::pGraph, and _dglGraph::Version.

Referenced by NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

int dglEdgeset_T_Initialize	(	dglEdgesetTraverser_s *	pT,
		dglGraph_s *	pGraph,
		dglInt32_t *	pnEdgeset
	)

Definition at line 1499 of file dglib/graph.c.

References dgl_edgeset_t_initialize_V1(), dgl_edgeset_t_initialize_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, and _dglGraph::Version.

Referenced by NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

dglInt32_t* dglEdgeset_T_Next

(

dglEdgesetTraverser_s *

pT

)

Definition at line 1534 of file dglib/graph.c.

References dgl_edgeset_t_next_V1(), dgl_edgeset_t_next_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, NULL, dglEdgesetTraverser_s::pGraph, and _dglGraph::Version.

Referenced by NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

void dglEdgeset_T_Release

(

dglEdgesetTraverser_s *

pT

)

Definition at line 1515 of file dglib/graph.c.

Referenced by NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

dglInt32_t dglEdgesetGet_EdgeCount	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnEdgeset
	)

Definition at line 397 of file dglib/graph.c.

References DGL_EDGESET_EDGECOUNT_v1, DGL_EDGESET_EDGECOUNT_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, _dglGraph::iErrno, and _dglGraph::Version.

int dglErrno

(

dglGraph_s *

pgraph

)

Definition at line 1155 of file dglib/graph.c.

References _dglGraph::iErrno.

int dglFlatten

(

dglGraph_s *

pGraph

)

Definition at line 139 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_flatten_V1(), dgl_flatten_V2(), _dglGraph::iErrno, and _dglGraph::Version.

Referenced by NetA_split_vertices(), Vect_graph_build(), and Vect_net_build_graph().

void dglFreeSPReport	(	dglGraph_s *	pgraph,
		dglSPReport_s *	pSPReport
	)

Definition at line 1106 of file dglib/graph.c.

References _dglSPReport::cArc, free(), _dglSPReport::pArc, and _dglSPArc::pnEdge.

Referenced by Vect_graph_shortest_path(), and Vect_net_shortest_path().

int dglGet_AloneNodeCount

(

dglGraph_s *

pgraph

)

Definition at line 1256 of file dglib/graph.c.

References _dglGraph::cAlone.

dglInt64_t dglGet_Cost

(

dglGraph_s *

pgraph

)

Definition at line 1311 of file dglib/graph.c.

References _dglGraph::nnCost.

int dglGet_EdgeAttrSize

(

dglGraph_s *

pgraph

)

Definition at line 1236 of file dglib/graph.c.

References _dglGraph::EdgeAttrSize.

Referenced by dglDepthComponents(), dglDepthSpanning(), and dglMinimumSpanning().

int dglGet_EdgeCount

(

dglGraph_s *

pgraph

)

Definition at line 1261 of file dglib/graph.c.

References _dglGraph::cEdge.

Referenced by dglDepthComponents(), dglDepthSpanning(), dglMinimumSpanning(), NetA_flow(), and NetA_spanning_tree().

dglEdgePrioritizer_s* dglGet_EdgePrioritizer

(

dglGraph_s *

pGraph

)

Definition at line 1341 of file dglib/graph.c.

References _dglGraph::edgePrioritizer.

int dglGet_EdgeSize

(

dglGraph_s *

pgraph

)

Definition at line 1296 of file dglib/graph.c.

References DGL_EDGE_SIZEOF_v1, DGL_EDGE_SIZEOF_v2, DGL_ERR_BadVersion, _dglGraph::iErrno, _dglGraph::NodeAttrSize, and _dglGraph::Version.

int dglGet_Endianess

(

dglGraph_s *

pgraph

)

Definition at line 1226 of file dglib/graph.c.

References _dglGraph::Endian.

dglInt32_t dglGet_Family

(

dglGraph_s *

pgraph

)

Definition at line 1321 of file dglib/graph.c.

References _dglGraph::nFamily.

int dglGet_HeadNodeCount

(

dglGraph_s *

pgraph

)

Definition at line 1246 of file dglib/graph.c.

References _dglGraph::cHead.

int dglGet_NodeAttrSize

(

dglGraph_s *

pgraph

)

Definition at line 1231 of file dglib/graph.c.

References _dglGraph::NodeAttrSize.

Referenced by dglDepthComponents(), dglDepthSpanning(), and dglMinimumSpanning().

int dglGet_NodeCount

(

dglGraph_s *

pgraph

)

Definition at line 1241 of file dglib/graph.c.

References _dglGraph::cNode.

Referenced by NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_degree_centrality(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

dglNodePrioritizer_s* dglGet_NodePrioritizer

(

dglGraph_s *

pGraph

)

Definition at line 1346 of file dglib/graph.c.

References _dglGraph::nodePrioritizer.

int dglGet_NodeSize

(

dglGraph_s *

pgraph

)

Definition at line 1281 of file dglib/graph.c.

References DGL_ERR_BadVersion, DGL_NODE_SIZEOF_v1, DGL_NODE_SIZEOF_v2, _dglGraph::iErrno, _dglGraph::NodeAttrSize, and _dglGraph::Version.

dglInt32_t* dglGet_Opaque

(

dglGraph_s *

pgraph

)

Definition at line 1271 of file dglib/graph.c.

References _dglGraph::aOpaqueSet.

Referenced by dglDepthComponents(), dglDepthSpanning(), and dglMinimumSpanning().

dglInt32_t dglGet_Options

(

dglGraph_s *

pgraph

)

Definition at line 1331 of file dglib/graph.c.

References _dglGraph::nOptions.

int dglGet_State

(

dglGraph_s *

pgraph

)

Definition at line 1266 of file dglib/graph.c.

References _dglGraph::Flags.

int dglGet_TailNodeCount

(

dglGraph_s *

pgraph

)

Definition at line 1251 of file dglib/graph.c.

References _dglGraph::cTail.

int dglGet_Version

(

dglGraph_s *

pgraph

)

Definition at line 1217 of file dglib/graph.c.

References _dglGraph::Version.

Referenced by dglDepthComponents(), dglDepthSpanning(), and dglMinimumSpanning().

dglInt32_t* dglGetEdge	(	dglGraph_s *	pGraph,
		dglInt32_t	nEdgeId
	)

Definition at line 576 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_get_edge_V1(), dgl_get_edge_V2(), _dglGraph::iErrno, NULL, and _dglGraph::Version.

dglInt32_t* dglGetNode	(	dglGraph_s *	pGraph,
		dglInt32_t	nNodeId
	)

Definition at line 155 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_get_node_V1(), dgl_get_node_V2(), _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by DGL_SPAN_DEPTHFIRST_SPANNING_FUNC(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_degree_centrality(), NetA_distance_from_points(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_strongly_connected_components(), NetA_weakly_connected_components(), Vect_graph_set_node_costs(), and Vect_net_build_graph().

int dglInitialize	(	dglGraph_s *	pGraph,
		dglByte_t	Version,
		dglInt32_t	NodeAttrSize,
		dglInt32_t	EdgeAttrSize,
		dglInt32_t *	pOpaqueSet
	)

Definition at line 53 of file dglib/graph.c.

References _dglGraph::aOpaqueSet, DGL_ENDIAN_BIG, DGL_ENDIAN_LITTLE, DGL_ERR_BadArgument, DGL_ERR_VersionNotSupported, dgl_initialize_V1(), dgl_initialize_V2(), _dglGraph::EdgeAttrSize, _dglGraph::Endian, _dglGraph::iErrno, _dglGraph::NodeAttrSize, NULL, and _dglGraph::Version.

Referenced by dgl_read_V1(), dgl_read_V2(), dglDepthComponents(), dglDepthSpanning(), dglMinimumSpanning(), NetA_split_vertices(), Vect_graph_init(), and Vect_net_build_graph().

int dglInitializeSPCache	(	dglGraph_s *	pGraph,
		dglSPCache_s *	pCache
	)

Definition at line 1122 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_sp_cache_initialize_V1(), dgl_sp_cache_initialize_V2(), _dglGraph::iErrno, and _dglGraph::Version.

Referenced by Vect_net_build_graph().

int dglIOContextInitialize	(	dglGraph_s *	pG,
		dglIOContext_s *	pIO
	)

Definition at line 1563 of file dglib/graph.c.

References __CIO_BEGIN, dglIOContext_s::cb, dglIOContext_s::ib, dglIOContext_s::nState, NULL, dglIOContext_s::pb, and dglIOContext_s::pG.

void dglIOContextRelease

(

dglIOContext_s *

pIO

)

Definition at line 1573 of file dglib/graph.c.

int dglMinimumSpanning	(	dglGraph_s *	pgraphInput,
		dglGraph_s *	pgraphOutput,
		dglInt32_t	nVertexNode,
		dglSpanClip_fn	fnClip,
		void *	pvClipArg
	)

Definition at line 1060 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_minimum_spanning_V1(), dgl_minimum_spanning_V2(), dglGet_EdgeAttrSize(), dglGet_EdgeCount(), dglGet_NodeAttrSize(), dglGet_Opaque(), dglGet_Version(), dglInitialize(), dglRelease(), _dglGraph::iErrno, and _dglGraph::Version.

dglInt32_t* dglNode_T_Find	(	dglNodeTraverser_s *	pT,
		dglInt32_t	nNodeId
	)

Definition at line 1417 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_node_t_find_V1(), dgl_node_t_find_V2(), _dglGraph::iErrno, NULL, dglNodeTraverser_s::pGraph, and _dglGraph::Version.

dglInt32_t* dglNode_T_First

(

dglNodeTraverser_s *

pT

)

Definition at line 1387 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_node_t_first_V1(), dgl_node_t_first_V2(), _dglGraph::iErrno, NULL, dglNodeTraverser_s::pGraph, and _dglGraph::Version.

Referenced by dglDepthComponents(), NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_eigenvector_centrality(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

int dglNode_T_Initialize	(	dglNodeTraverser_s *	pT,
		dglGraph_s *	pGraph
	)

Definition at line 1356 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_node_t_initialize_V1(), dgl_node_t_initialize_V2(), _dglGraph::iErrno, and _dglGraph::Version.

Referenced by dglDepthComponents(), NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_eigenvector_centrality(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

dglInt32_t* dglNode_T_Next

(

dglNodeTraverser_s *

pT

)

Definition at line 1402 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_node_t_next_V1(), dgl_node_t_next_V2(), _dglGraph::iErrno, NULL, dglNodeTraverser_s::pGraph, and _dglGraph::Version.

Referenced by dglDepthComponents(), NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_eigenvector_centrality(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

void dglNode_T_Release

(

dglNodeTraverser_s *

pT

)

Definition at line 1371 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_node_t_release_V1(), dgl_node_t_release_V2(), _dglGraph::iErrno, dglNodeTraverser_s::pGraph, and _dglGraph::Version.

Referenced by dglDepthComponents(), NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_eigenvector_centrality(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

dglInt32_t* dglNodeGet_Attr	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 255 of file dglib/graph.c.

References DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, DGL_NODE_ATTR_PTR_v1, DGL_NODE_ATTR_PTR_v2, _dglGraph::iErrno, NULL, and _dglGraph::Version.

dglInt32_t dglNodeGet_Id	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 213 of file dglib/graph.c.

References DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, DGL_NODE_ID_v1, DGL_NODE_ID_v2, _dglGraph::iErrno, and _dglGraph::Version.

Referenced by NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

int dglNodeGet_InDegree	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 297 of file dglib/graph.c.

References DGL_EDGESET_EDGECOUNT_v2, DGL_ERR_BadVersion, DGL_ERR_NotSupported, DGL_ERR_UnexpectedNullPointer, DGL_NODE_STATUS_v2, DGL_NS_ALONE, dglNodeGet_InEdgeset(), dglNodeGet_Valence(), _dglGraph::iErrno, and _dglGraph::Version.

dglInt32_t* dglNodeGet_InEdgeset	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 188 of file dglib/graph.c.

References DGL_ERR_BadVersion, DGL_ERR_NotSupported, dgl_getnode_inedgeset_V2(), _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by dglNodeGet_InDegree(), and dglNodeGet_Valence().

int dglNodeGet_OutDegree	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 329 of file dglib/graph.c.

References DGL_EDGESET_EDGECOUNT_v1, DGL_EDGESET_EDGECOUNT_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, DGL_NODE_STATUS_v1, DGL_NODE_STATUS_v2, DGL_NS_ALONE, dglNodeGet_OutEdgeset(), dglNodeGet_Valence(), _dglGraph::iErrno, and _dglGraph::Version.

Referenced by NetA_degree_centrality().

dglInt32_t* dglNodeGet_OutEdgeset	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 170 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_getnode_outedgeset_V1(), dgl_getnode_outedgeset_V2(), _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by dglNodeGet_OutDegree(), dglNodeGet_Valence(), NetA_allpairs(), NetA_articulation_points(), NetA_betweenness_closeness(), NetA_compute_bridges(), NetA_distance_from_points(), NetA_eigenvector_centrality(), NetA_find_path(), NetA_flow(), NetA_min_cut(), NetA_spanning_tree(), NetA_split_vertices(), NetA_strongly_connected_components(), and NetA_weakly_connected_components().

dglInt32_t dglNodeGet_Status	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 234 of file dglib/graph.c.

References DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, DGL_NODE_STATUS_v1, DGL_NODE_STATUS_v2, _dglGraph::iErrno, and _dglGraph::Version.

int dglNodeGet_Valence	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode
	)

Definition at line 363 of file dglib/graph.c.

References DGL_EDGESET_EDGECOUNT_v2, DGL_ERR_BadVersion, DGL_ERR_UnexpectedNullPointer, DGL_NODE_STATUS_v2, DGL_NS_ALONE, dglNodeGet_InEdgeset(), dglNodeGet_OutEdgeset(), _dglGraph::iErrno, and _dglGraph::Version.

Referenced by dglNodeGet_InDegree(), and dglNodeGet_OutDegree().

void dglNodeSet_Attr	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnNode,
		dglInt32_t *	pnAttr
	)

Definition at line 275 of file dglib/graph.c.

References DGL_NODE_ATTR_PTR_v1, DGL_NODE_ATTR_PTR_v2, _dglGraph::NodeAttrSize, and _dglGraph::Version.

Referenced by Vect_graph_set_node_costs(), and Vect_net_build_graph().

int dglRead	(	dglGraph_s *	pGraph,
		int	fd
	)

Definition at line 755 of file dglib/graph.c.

References DGL_ERR_Read, DGL_ERR_VersionNotSupported, dgl_read_V1(), dgl_read_V2(), and _dglGraph::iErrno.

int dglReadChunk	(	dglIOContext_s *	pIO,
		dglByte_t *	pbChunk,
		int	cbChunk
	)

Definition at line 1694 of file dglib/graph.c.

References __CIO_BEGIN, __CIO_END, __CIO_R_EDGEBUFFER, __CIO_R_HEADER, __CIO_R_NODEBUFFER, dglIOContext_s::ab, _dglGraph::aOpaqueSet, _dglGraph::cAlone, dglIOContext_s::cb, _dglGraph::cEdge, _dglGraph::cHead, _dglGraph::cNode, _dglGraph::cTail, DGL_ENDIAN_BIG, DGL_ENDIAN_LITTLE, DGL_GS_FLAT, dgl_swapInt32Bytes(), dgl_swapInt64Bytes(), _dglGraph::EdgeAttrSize, _dglGraph::Endian, _dglGraph::Flags, dglIOContext_s::fSwap, dglIOContext_s::ib, _dglGraph::iEdgeBuffer, _dglGraph::iNodeBuffer, malloc(), MIN, _dglGraph::nFamily, _dglGraph::nnCost, _dglGraph::NodeAttrSize, _dglGraph::nOptions, dglIOContext_s::nState, NULL, dglIOContext_s::pb, _dglGraph::pEdgeBuffer, dglIOContext_s::pG, _dglGraph::pNodeBuffer, and _dglGraph::Version.

int dglRelease

(

dglGraph_s *

pGraph

)

Definition at line 108 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_release_V1(), dgl_release_V2(), _dglGraph::iErrno, and _dglGraph::Version.

Referenced by dglDepthSpanning(), and dglMinimumSpanning().

void dglReleaseSPCache	(	dglGraph_s *	pGraph,
		dglSPCache_s *	pCache
	)

Definition at line 1137 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_sp_cache_release_V1(), dgl_sp_cache_release_V2(), _dglGraph::iErrno, and _dglGraph::Version.

void dglResetStats

(

dglGraph_s *

pgraph

)

Definition at line 43 of file dglib/graph.c.

void dglSet_Cost	(	dglGraph_s *	pgraph,
		dglInt64_t	nnCost
	)

Definition at line 1316 of file dglib/graph.c.

References _dglGraph::nnCost.

void dglSet_Family	(	dglGraph_s *	pgraph,
		dglInt32_t	nFamily
	)

Definition at line 1326 of file dglib/graph.c.

References _dglGraph::nFamily.

void dglSet_Opaque	(	dglGraph_s *	pgraph,
		dglInt32_t *	pOpaque
	)

Definition at line 1276 of file dglib/graph.c.

References _dglGraph::aOpaqueSet.

void dglSet_Options	(	dglGraph_s *	pgraph,
		dglInt32_t	nOptions
	)

Definition at line 1336 of file dglib/graph.c.

References _dglGraph::nOptions.

void dglSet_Version	(	dglGraph_s *	pgraph,
		int	nVersion
	)

Definition at line 1221 of file dglib/graph.c.

References _dglGraph::Version.

int dglShortestDistance	(	dglGraph_s *	pGraph,
		dglInt32_t *	pnDistance,
		dglInt32_t	nStart,
		dglInt32_t	nDestination,
		dglSPClip_fn	fnClip,
		void *	pvClipArg,
		dglSPCache_s *	pCache
	)

Definition at line 817 of file dglib/graph.c.

References dgl_dijkstra_V1(), dgl_dijkstra_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by Vect_graph_shortest_path(), and Vect_net_shortest_path().

int dglShortestPath	(	dglGraph_s *	pGraph,
		dglSPReport_s **	ppReport,
		dglInt32_t	nStart,
		dglInt32_t	nDestination,
		dglSPClip_fn	fnClip,
		void *	pvClipArg,
		dglSPCache_s *	pCache
	)

Definition at line 785 of file dglib/graph.c.

References dgl_dijkstra_V1(), dgl_dijkstra_V2(), DGL_ERR_BadVersion, _dglGraph::iErrno, NULL, and _dglGraph::Version.

Referenced by Vect_graph_shortest_path(), and Vect_net_shortest_path().

char* dglStrerror

(

dglGraph_s *

pgraph

)

Definition at line 1160 of file dglib/graph.c.

References DGL_ERR_BadArgument, DGL_ERR_BadEdge, DGL_ERR_BadNodeType, DGL_ERR_BadOnFlatGraph, DGL_ERR_BadOnTreeGraph, DGL_ERR_BadVersion, DGL_ERR_EdgeAlreadyExist, DGL_ERR_EdgeNotFound, DGL_ERR_HeadNodeNotFound, DGL_ERR_HeapError, DGL_ERR_MemoryExhausted, DGL_ERR_NodeAlreadyExist, DGL_ERR_NodeIsAComponent, DGL_ERR_NodeNotFound, DGL_ERR_NotSupported, DGL_ERR_Read, DGL_ERR_TailNodeNotFound, DGL_ERR_TreeSearchError, DGL_ERR_UndefinedMethod, DGL_ERR_UnexpectedNullPointer, DGL_ERR_UnknownByteOrder, DGL_ERR_VersionNotSupported, DGL_ERR_Write, and _dglGraph::iErrno.

Referenced by Vect_graph_shortest_path(), and Vect_net_shortest_path().

int dglUnflatten

(

dglGraph_s *

pGraph

)

Definition at line 123 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_unflatten_V1(), dgl_unflatten_V2(), _dglGraph::iErrno, and _dglGraph::Version.

int dglWrite	(	dglGraph_s *	pGraph,
		int	fd
	)

Definition at line 733 of file dglib/graph.c.

References DGL_ERR_BadVersion, dgl_write_V1(), dgl_write_V2(), _dglGraph::iErrno, and _dglGraph::Version.

int dglWriteChunk	(	dglIOContext_s *	pIO,
		dglWriteChunk_fn	pfn,
		void *	pv
	)

Definition at line 1577 of file dglib/graph.c.

References __CIO_BEGIN, __CIO_END, __CIO_W_EDGEBUFFER, __CIO_W_HEADER, __CIO_W_NODEBUFFER, dglIOContext_s::ab, _dglGraph::aOpaqueSet, _dglGraph::cAlone, dglIOContext_s::cb, _dglGraph::cEdge, _dglGraph::cHead, _dglGraph::cNode, _dglGraph::cTail, _dglGraph::EdgeAttrSize, _dglGraph::Endian, dglIOContext_s::ib, _dglGraph::iEdgeBuffer, _dglGraph::iNodeBuffer, _dglGraph::nFamily, _dglGraph::nnCost, _dglGraph::NodeAttrSize, _dglGraph::nOptions, dglIOContext_s::nState, NULL, dglIOContext_s::pb, _dglGraph::pEdgeBuffer, dglIOContext_s::pG, _dglGraph::pNodeBuffer, and _dglGraph::Version.