general.c File Reference

#include <math.h>
#include <stdbool.h>
#include <stddef.h>
#include <sparse/general.h>
#include <errno.h>
#include <util/alloc.h>

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Functions
double	drand (void)
int	irand (int n)
int *	random_permutation (int n)
double *	vector_subtract_to (int n, double *x, double *y)
double	vector_product (int n, double *x, double *y)
double *	vector_saxpy (int n, double *x, double *y, double beta)
double *	vector_saxpy2 (int n, double *x, double *y, double beta)
void	vector_float_take (int n, float *v, int m, int *p, float **u)
static int	comp_ascend (const void *s1, const void *s2)
static int	comp_ascend_int (const void *s1, const void *s2)
void	vector_ordering (int n, double *v, int **p)
void	vector_sort_int (int n, int *v)
double	distance_cropped (double *x, int dim, int i, int j)
double	distance (double *x, int dim, int i, int j)
double	point_distance (double *p1, double *p2, int dim)
char *	strip_dir (char *s)

Function Documentation

comp_ascend()

static int comp_ascend ( const void *  s1, const void *  s2  )

static

Definition at line 91 of file general.c.

References s1().

Referenced by vector_ordering().

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comp_ascend_int()

static int comp_ascend_int ( const void *  s1, const void *  s2  )

static

Definition at line 103 of file general.c.

References s1().

Referenced by vector_sort_int().

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distance()

double distance	(	double *	x,
		int	dim,
		int	i,
		int	j
	)

Definition at line 145 of file general.c.

References dim, and dist().

Referenced by beautify_leaves(), dist_from_foci(), distance_cropped(), distance_to_group(), furtherest_point(), furtherest_point_in_list(), get_stress(), ideal_distance_matrix(), makeDotGraph(), SparseStressMajorizationSmoother_new(), spring_electrical_embedding(), spring_electrical_embedding_fast(), spring_electrical_embedding_slow(), spring_electrical_spring_embedding(), SpringSmoother_new(), StressMajorizationSmoother2_new(), StressMajorizationSmoother_smooth(), and TriangleSmoother_new().

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distance_cropped()

double distance_cropped	(	double *	x,
		int	dim,
		int	i,
		int	j
	)

Definition at line 140 of file general.c.

References dim, dist(), distance(), and MINDIST.

Referenced by get_edge_label_matrix(), improve_contiguity(), QuadTree_repulsive_force_interact(), spring_electrical_embedding(), spring_electrical_embedding_slow(), spring_electrical_spring_embedding(), StressMajorizationSmoother2_new(), and TriangleSmoother_new().

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drand()

double drand

(

void

)

Definition at line 22 of file general.c.

irand()

int irand

(

int

n

)

Definition at line 26 of file general.c.

Referenced by node_distinct_coloring_internal(), and random_permutation().

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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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random_permutation()

int * random_permutation

(

int

n

)

Definition at line 33 of file general.c.

References gv_calloc(), irand(), len(), and NULL.

Referenced by maximal_independent_edge_set_heavest_edge_pernode_supernodes_first().

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strip_dir()

char * strip_dir

(

char *

s

)

Definition at line 161 of file general.c.

Referenced by makeDotGraph().

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vector_float_take()

void vector_float_take	(	int	n,
		float *	v,
		int	m,
		int *	p,
		float **	u
	)

Definition at line 78 of file general.c.

References gv_calloc().

Referenced by map_optimal_coloring().

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vector_ordering()

void vector_ordering	(	int	n,
		double *	v,
		int **	p
	)

Definition at line 115 of file general.c.

References comp_ascend(), free(), and gv_calloc().

Referenced by country_graph_coloring().

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vector_product()

double vector_product	(	int	n,
		double *	x,
		double *	y
	)

Definition at line 57 of file general.c.

Referenced by conjugate_gradient(), power_method(), and StressMajorizationSmoother_smooth().

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vector_saxpy()

double * vector_saxpy	(	int	n,
		double *	x,
		double *	y,
		double	beta
	)

Definition at line 64 of file general.c.

Referenced by conjugate_gradient().

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vector_saxpy2()

double * vector_saxpy2	(	int	n,
		double *	x,
		double *	y,
		double	beta
	)

Definition at line 71 of file general.c.

Referenced by conjugate_gradient().

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vector_sort_int()

void vector_sort_int	(	int	n,
		int *	v
	)

Definition at line 136 of file general.c.

References comp_ascend_int().

Referenced by ink().

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vector_subtract_to()

double * vector_subtract_to	(	int	n,
		double *	x,
		double *	y
	)

Definition at line 51 of file general.c.

Referenced by conjugate_gradient().

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