kkutils.c File Reference

#include <cgraph/alloc.h>
#include <cgraph/sort.h>
#include <neatogen/bfs.h>
#include <neatogen/dijkstra.h>
#include <neatogen/kkutils.h>
#include <stdlib.h>
#include <math.h>

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Functions
size_t	common_neighbors (vtx_data *graph, int u, int *v_vector)
void	fill_neighbors_vec_unweighted (vtx_data *graph, int vtx, int *vtx_vec)
void	empty_neighbors_vec (vtx_data *graph, int vtx, int *vtx_vec)
static DistType **	compute_apsp_dijkstra (vtx_data *graph, int n)
static DistType **	compute_apsp_simple (vtx_data *graph, int n)
DistType **	compute_apsp (vtx_data *graph, int n)
DistType **	compute_apsp_artificial_weights (vtx_data *graph, int n)
double	distance_kD (double **coords, int dim, int i, int j)
static int	fcmpf (const void *a, const void *b, void *context)
void	quicksort_placef (float *place, int *ordering, int first, int last)
static int	cmp (const void *a, const void *b, void *context)
void	quicksort_place (double *place, int *ordering, int size)
void	compute_new_weights (vtx_data *graph, int n)
void	restore_old_weights (vtx_data *graph, int n, float *old_weights)

Function Documentation

cmp()

static int cmp ( const void *  a, const void *  b, void *  context  )

static

Definition at line 147 of file kkutils.c.

Referenced by quicksort_place().

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common_neighbors()

size_t common_neighbors	(	vtx_data *	graph,
		int	u,
		int *	v_vector
	)

Definition at line 19 of file kkutils.c.

References graph(), and neighbor.

Referenced by compute_apsp_artificial_weights_packed(), and compute_new_weights().

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compute_apsp()

DistType ** compute_apsp	(	vtx_data *	graph,
		int	n
	)

Definition at line 85 of file kkutils.c.

References compute_apsp_dijkstra(), compute_apsp_simple(), and graph().

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compute_apsp_artificial_weights()

DistType ** compute_apsp_artificial_weights	(	vtx_data *	graph,
		int	n
	)

Definition at line 93 of file kkutils.c.

References compute_apsp_dijkstra(), compute_new_weights(), graph(), and restore_old_weights().

Referenced by subset_model().

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compute_apsp_dijkstra()

static DistType ** compute_apsp_dijkstra ( vtx_data *  graph, int  n  )

static

Definition at line 53 of file kkutils.c.

References dijkstra(), graph(), and gv_calloc().

Referenced by compute_apsp(), and compute_apsp_artificial_weights().

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compute_apsp_simple()

static DistType ** compute_apsp_simple ( vtx_data *  graph, int  n  )

static

Definition at line 68 of file kkutils.c.

References bfs(), graph(), and gv_calloc().

Referenced by compute_apsp().

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compute_new_weights()

void compute_new_weights	(	vtx_data *	graph,
		int	n
	)

Definition at line 165 of file kkutils.c.

References common_neighbors(), empty_neighbors_vec(), fill_neighbors_vec_unweighted(), free(), graph(), gv_calloc(), nedges, and neighbor.

Referenced by compute_apsp_artificial_weights(), embed_graph(), and sparse_stress_subspace_majorization_kD().

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distance_kD()

double distance_kD	(	double **	coords,
		int	dim,
		int	i,
		int	j
	)

Definition at line 113 of file kkutils.c.

Referenced by sparse_stress_subspace_majorization_kD().

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empty_neighbors_vec()

void empty_neighbors_vec	(	vtx_data *	graph,
		int	vtx,
		int *	vtx_vec
	)

Definition at line 41 of file kkutils.c.

References graph().

Referenced by compute_apsp_artificial_weights_packed(), and compute_new_weights().

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fcmpf()

static int fcmpf ( const void *  a, const void *  b, void *  context  )

static

Definition at line 125 of file kkutils.c.

Referenced by quicksort_placef().

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fill_neighbors_vec_unweighted()

void fill_neighbors_vec_unweighted	(	vtx_data *	graph,
		int	vtx,
		int *	vtx_vec
	)

Definition at line 32 of file kkutils.c.

References graph().

Referenced by compute_apsp_artificial_weights_packed(), and compute_new_weights().

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quicksort_place()

void quicksort_place	(	double *	place,
		int *	ordering,
		int	size
	)

Definition at line 161 of file kkutils.c.

References cmp(), and gv_sort().

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quicksort_placef()

void quicksort_placef	(	float *	place,
		int *	ordering,
		int	first,
		int	last
	)

Definition at line 140 of file kkutils.c.

References fcmpf(), gv_sort(), and last.

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restore_old_weights()

void restore_old_weights	(	vtx_data *	graph,
		int	n,
		float *	old_weights
	)

Definition at line 196 of file kkutils.c.

References free(), graph(), and NULL.

Referenced by compute_apsp_artificial_weights(), embed_graph(), and sparse_stress_subspace_majorization_kD().

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