GRASS GIS 8 Programmer's Manual  8.4.0dev(2024)-112dd97adf
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 (const struct line_pnts *Points)

Function Documentation

◆ pg_addedge()

◆ pg_create()

struct planar_graph* pg_create ( const struct line_pnts Points)

Definition at line 444 of file dgraph.c.

◆ pg_create_struct()

struct planar_graph* pg_create_struct ( int  n,
int  e 

◆ pg_destroy_struct()

void pg_destroy_struct ( struct planar_graph pg)

◆ pg_existsedge()

int pg_existsedge ( struct planar_graph pg,
int  v1,
int  v2 

Definition at line 376 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().