sgraph.c File Reference

#include "config.h"
#include <cgraph/alloc.h>
#include <limits.h>
#include <ortho/sgraph.h>
#include <ortho/fPQ.h>

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Macros
#define	UNSEEN   INT_MIN

Functions
void	gsave (sgraph *G)
void	reset (sgraph *G)
void	initSEdges (sgraph *g, int maxdeg)
sgraph *	createSGraph (int nnodes)
snode *	createSNode (sgraph *g)
static void	addEdgeToNode (snode *np, int idx)
sedge *	createSEdge (sgraph *g, snode *v1, snode *v2, double wt)
void	freeSGraph (sgraph *g)
static snode *	adjacentNode (sgraph *g, sedge *e, snode *n)
int	shortPath (sgraph *g, snode *from, snode *to)

Macro Definition Documentation

UNSEEN

#define UNSEEN   INT_MIN

Definition at line 131 of file sgraph.c.

Function Documentation

addEdgeToNode()

static void addEdgeToNode ( snode *  np, int  idx  )

static

Definition at line 77 of file sgraph.c.

References snode::adj_edge_list, and snode::n_adj.

Referenced by createSEdge().

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adjacentNode()

static snode * adjacentNode ( sgraph *  g, sedge *  e, snode *  n  )

static

Definition at line 134 of file sgraph.c.

References snode::index, sgraph::nodes, sedge::v1, and sedge::v2.

Referenced by shortPath().

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createSEdge()

sedge * createSEdge	(	sgraph *	g,
		snode *	v1,
		snode *	v2,
		double	wt
	)

Definition at line 84 of file sgraph.c.

References addEdgeToNode(), sedge::cnt, sgraph::edges, snode::index, sgraph::nedges, sedge::v1, sedge::v2, and sedge::weight.

Referenced by addLoop(), addNodeEdges(), and createSEdges().

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createSGraph()

sgraph * createSGraph

(

int

nnodes

)

Definition at line 57 of file sgraph.c.

References gv_alloc(), gv_calloc(), sgraph::nnodes, and sgraph::nodes.

Referenced by mkMazeGraph().

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createSNode()

snode * createSNode

(

sgraph *

g

)

Definition at line 68 of file sgraph.c.

References snode::index, sgraph::nnodes, and sgraph::nodes.

Referenced by findSVert().

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freeSGraph()

void freeSGraph

(

sgraph *

g

)

Definition at line 102 of file sgraph.c.

References snode::adj_edge_list, sgraph::edges, free(), and sgraph::nodes.

Referenced by freeMaze().

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gsave()

void gsave

(

sgraph *

G

)

Definition at line 19 of file sgraph.c.

References G.

Referenced by mkMazeGraph().

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initSEdges()

void initSEdges	(	sgraph *	g,
		int	maxdeg
	)

Definition at line 41 of file sgraph.c.

References snode::adj_edge_list, sgraph::edges, gv_calloc(), sgraph::nnodes, and sgraph::nodes.

Referenced by mkMazeGraph().

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reset()

void reset

(

sgraph *

G

)

Definition at line 29 of file sgraph.c.

References G.

Referenced by fdp_tLayout(), flat_edges(), and orthoEdges().

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shortPath()

int shortPath	(	sgraph *	g,
		snode *	from,
		snode *	to
	)

Definition at line 143 of file sgraph.c.

References snode::adj_edge_list, adjacentNode(), E_WT, sgraph::edges, snode::index, snode::n_adj, N_DAD, N_EDGE, N_VAL, sgraph::nnodes, sgraph::nodes, NULL, PQ_insert(), PQinit(), PQremove(), PQupdate(), and UNSEEN.

Referenced by orthoEdges().

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