GRASS Programmer's Manual  6.5.svn(2014)-r66266
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dgraph.h File Reference
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Data Structures

struct  pg_edge
struct  pg_vertex
struct  planar_graph


struct planar_graphpg_create_struct (int n, int e)
void pg_destroy_struct (struct planar_graph *pg)
int pg_existsedge (struct planar_graph *pg, int v1, int v2)
void pg_addedge (struct planar_graph *pg, int v1, int v2)
struct planar_graphpg_create (struct line_pnts *Points)

Function Documentation

struct planar_graph* pg_create_struct ( int  n,
int  e 
void pg_destroy_struct ( struct planar_graph pg)
int pg_existsedge ( struct planar_graph pg,
int  v1,
int  v2 

Definition at line 373 of file dgraph.c.

References pg_vertex::ecount, pg_vertex::edges, planar_graph::v, pg_edge::v1, and pg_edge::v2.

Referenced by pg_addedge().