QuadTree.h File Reference

#include <stdio.h>

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Data Structures
struct	node_data_struct
struct	QuadTree_struct

Typedefs
typedef struct node_data_struct *	node_data
typedef struct QuadTree_struct *	QuadTree

Functions
QuadTree	QuadTree_new (int dim, double *center, double width, int max_level)
void	QuadTree_delete (QuadTree q)
QuadTree	QuadTree_add (QuadTree q, double *coord, double weight, int id)
void	QuadTree_print (FILE *fp, QuadTree q)
QuadTree	QuadTree_new_from_point_list (int dim, int n, int max_level, double *coord)
double	point_distance (double *p1, double *p2, int dim)
void	QuadTree_get_supernodes (QuadTree qt, double bh, double *pt, int nodeid, int *nsuper, int *nsupermax, double **center, double **supernode_wgts, double **distances, double *counts)
void	QuadTree_get_repulsive_force (QuadTree qt, double *force, double *x, double bh, double p, double KP, double *counts)
void	QuadTree_get_nearest (QuadTree qt, double *x, double *ymin, int *imin, double *min)
QuadTree	QuadTree_new_in_quadrant (int dim, double *center, double width, int max_level, int i)

Typedef Documentation

node_data

typedef struct node_data_struct* node_data

Definition at line 19 of file QuadTree.h.

QuadTree

typedef struct QuadTree_struct* QuadTree

Definition at line 29 of file QuadTree.h.

Function Documentation

point_distance()

double point_distance	(	double *	p1,
		double *	p2,
		int	dim
	)

Definition at line 153 of file general.c.

References dim, and dist().

Referenced by QuadTree_get_nearest_internal(), QuadTree_get_supernodes_internal(), and QuadTree_repulsive_force_interact().

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QuadTree_add()

QuadTree QuadTree_add	(	QuadTree	q,
		double *	coord,
		double	weight,
		int	id
	)

Definition at line 515 of file QuadTree.c.

References coord(), and QuadTree_add_internal().

Referenced by QuadTree_new_from_point_list().

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QuadTree_delete()

void QuadTree_delete

(

QuadTree

q

)

Definition at line 375 of file QuadTree.c.

References QuadTree_struct::average, QuadTree_struct::center, QuadTree_struct::data, dim, QuadTree_struct::dim, free(), QuadTree_struct::l, node_data_struct::next, node_data_delete(), QuadTree_struct::qts, and QuadTree_delete().

Referenced by furtherest_point(), node_distinct_coloring(), QuadTree_delete(), spring_electrical_embedding(), spring_electrical_embedding_fast(), and spring_electrical_spring_embedding().

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QuadTree_get_nearest()

void QuadTree_get_nearest	(	QuadTree	qt,
		double *	x,
		double *	ymin,
		int *	imin,
		double *	min
	)

Definition at line 682 of file QuadTree.c.

References imin(), QuadTree_get_nearest_internal(), and ymin.

Referenced by make_map_internal(), and node_distinct_coloring_internal2().

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QuadTree_get_repulsive_force()

void QuadTree_get_repulsive_force	(	QuadTree	qt,
		double *	force,
		double *	x,
		double	bh,
		double	p,
		double	KP,
		double *	counts
	)

Definition at line 281 of file QuadTree.c.

References bh, dim, QuadTree_struct::dim, QuadTree_struct::n, QuadTree_repulsive_force_accumulate(), and QuadTree_repulsive_force_interact().

Referenced by spring_electrical_embedding_fast().

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QuadTree_get_supernodes()

void QuadTree_get_supernodes	(	QuadTree	qt,
		double	bh,
		double *	pt,
		int	nodeid,
		int *	nsuper,
		int *	nsupermax,
		double **	center,
		double **	supernode_wgts,
		double **	distances,
		double *	counts
	)

Definition at line 93 of file QuadTree.c.

References bh, center(), dim, QuadTree_struct::dim, gv_calloc(), and QuadTree_get_supernodes_internal().

Referenced by spring_electrical_embedding(), and spring_electrical_spring_embedding().

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QuadTree_new()

QuadTree QuadTree_new	(	int	dim,
		double *	center,
		double	width,
		int	max_level
	)

Definition at line 357 of file QuadTree.c.

References QuadTree_struct::average, QuadTree_struct::center, center(), QuadTree_struct::data, dim, QuadTree_struct::dim, gv_alloc(), gv_calloc(), QuadTree_struct::l, QuadTree_struct::max_level, QuadTree_struct::n, NULL, QuadTree_struct::qts, QuadTree_struct::total_weight, and QuadTree_struct::width.

Referenced by furtherest_point(), QuadTree_new_from_point_list(), and QuadTree_new_in_quadrant().

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QuadTree_new_from_point_list()

QuadTree QuadTree_new_from_point_list	(	int	dim,
		int	n,
		int	max_level,
		double *	coord
	)

Definition at line 309 of file QuadTree.c.

References center(), coord(), dim, free(), gv_calloc(), NULL, QuadTree_add(), QuadTree_new(), xmax, and xmin.

Referenced by lab_gamut_quadtree(), make_map_internal(), node_distinct_coloring(), spring_electrical_embedding(), spring_electrical_embedding_fast(), and spring_electrical_spring_embedding().

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QuadTree_new_in_quadrant()

QuadTree QuadTree_new_in_quadrant	(	int	dim,
		double *	center,
		double	width,
		int	max_level,
		int	i
	)

Definition at line 413 of file QuadTree.c.

References QuadTree_struct::center, center(), dim, and QuadTree_new().

Referenced by furtherest_point(), and QuadTree_add_internal().

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QuadTree_print()

void QuadTree_print	(	FILE *	fp,
		QuadTree	q
	)

Definition at line 615 of file QuadTree.c.

References QuadTree_struct::dim, and QuadTree_print_internal().

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