stress.h File Reference

#include <util/api.h>
#include <neatogen/defs.h>

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Macros
#define	tolerance_cg   1e-3
#define	DFLT_ITERATIONS   200
#define	DFLT_TOLERANCE   1e-4
#define	num_pivots_stress   40
#define	opt_smart_init   0x4
#define	opt_exp_flag   0x3

Functions
PRIVATE int	stress_majorization_kD_mkernel (vtx_data *graph, int n, double **coords, node_t **nodes, int dim, int opts, int model, int maxi)
	at present, if any nodes have pos set, smart_ini is false
PRIVATE float *	compute_apsp_packed (vtx_data *graph, int n)
	assumes integral weights > 0
PRIVATE float *	compute_apsp_artificial_weights_packed (vtx_data *graph, int n)
PRIVATE float *	circuitModel (vtx_data *graph, int nG)
PRIVATE float *	mdsModel (vtx_data *graph, int nG)
	update matrix with actual edge lengths
PRIVATE int	initLayout (int n, int dim, double **coords, node_t **nodes)

Macro Definition Documentation

DFLT_ITERATIONS

#define DFLT_ITERATIONS   200

Definition at line 23 of file stress.h.

DFLT_TOLERANCE

#define DFLT_TOLERANCE   1e-4

Definition at line 25 of file stress.h.

num_pivots_stress

#define num_pivots_stress   40

Definition at line 28 of file stress.h.

opt_exp_flag

#define opt_exp_flag   0x3

Definition at line 31 of file stress.h.

opt_smart_init

#define opt_smart_init   0x4

Definition at line 30 of file stress.h.

tolerance_cg

#define tolerance_cg   1e-3

Definition at line 21 of file stress.h.

Function Documentation

circuitModel()

PRIVATE float * circuitModel	(	vtx_data *	graph,
		int	nG
	)

Definition at line 167 of file stress.c.

References free(), free_array(), graph(), gv_calloc(), new_array(), NULL, and solveCircuit().

Referenced by stress_majorization_kD_mkernel().

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compute_apsp_artificial_weights_packed()

PRIVATE float * compute_apsp_artificial_weights_packed	(	vtx_data *	graph,
		int	n
	)

Definition at line 712 of file stress.c.

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

Referenced by stress_majorization_kD_mkernel().

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compute_apsp_packed()

PRIVATE float * compute_apsp_packed	(	vtx_data *	graph,
		int	n
	)

Definition at line 694 of file stress.c.

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

Referenced by compute_apsp_artificial_weights_packed(), and stress_majorization_kD_mkernel().

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initLayout()

PRIVATE int initLayout	(	int	n,
		int	dim,
		double **	coords,
		node_t **	nodes
	)

Definition at line 129 of file stress.c.

References dim, drand48(), hasPos, isFixed, ND_pos, and orthog1().

Referenced by stress_majorization_kD_mkernel().

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mdsModel()

PRIVATE float * mdsModel	(	vtx_data *	graph,
		int	nG
	)

Definition at line 663 of file stress.c.

References compute_weighted_apsp_packed(), delta, graph(), NULL, and Verbose.

Referenced by stress_majorization_kD_mkernel().

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stress_majorization_kD_mkernel()

PRIVATE int stress_majorization_kD_mkernel	(	vtx_data *	graph,
		int	n,
		double **	coords,
		node_t **	nodes,
		int	dim,
		int	opts,
		int	model,
		int	maxi
	)

Definition at line 793 of file stress.c.

References agerr(), AGPREV, agwarningf(), circuitModel(), compute_apsp_artificial_weights_packed(), compute_apsp_packed(), compute_stressf(), compute_weighted_apsp_packed(), conjugate_gradient_mkernel(), copy_vectorf(), DegType, dim, drand48(), elapsed_sec(), Epsilon, free(), graph(), gv_calloc(), initLayout(), invert_sqrt_vec(), invert_vec(), isFixed, len(), mdsModel(), MODEL_CIRCUIT, MODEL_MDS, MODEL_SUBSET, NULL, num_pivots_stress, opt_exp_flag, opt_smart_init, opts, orthog1(), right_mult_with_vector_ff(), set_vector_valf(), sparse_stress_subspace_majorization_kD(), sqrt_vecf(), square_vec(), start_timer(), tolerance_cg, vectors_inner_productf(), and Verbose.

Referenced by majorization().

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