#include "embedsom.h"
#include <algorithm>
#include <cfloat>
#include <cmath>
#include <vector>

Include dependency graph for embedsom.cpp:

Classes
struct	distfs::sqeucl

struct	dist_id

Namespaces
namespace	distfs

Functions
static float	sqrf (float n)

static void	heap_down (dist_id *heap, size_t start, size_t lim)

template<class distf >
static void	knn (const float point, const float hidim_lm, size_t n_landmarks, size_t dim, size_t topnn, vector< dist_id > &dists)

template<int embed_dim>
static void	add_gravity (const float lodim_lm, float score, float mtx)

template<int embed_dim>
static float	dotp_ec (const float a, const float b)

template<int embed_dim>
static void	add_approximation (float score_i, float score_j, const float ilm, const float jlm, float scalar_proj, float adjust, float *mtx)

template<int embed_dim>
static void	solve_lin_eq (const float mtx, float embedding)

template<class distf >
static void	sorted_dists_to_scores (vector< dist_id > &dists, const size_t topn, const size_t topnn, const float boost)

template<class distf , int embed_dim>
static void	embedsom_point (const size_t n_landmarks, const size_t dim, const float boost, const size_t topn, const float adjust, const float point, const float hidim_lm, const float lodim_lm, float embedding, vector< dist_id > &dists)

void	embedsom (size_t n, size_t n_landmarks, size_t dim, float boost, size_t topn, float adjust, const float points, const float hidim_lm, const float lodim_lm, float embedding)

Variables
static const float	min_boost = 1e-5

static const float	max_avoidance = 10

static const float	zero_avoidance = 1e-10

static const float	koho_gravity = 1e-5

Function Documentation

◆ add_approximation()

template<int embed_dim>

static void add_approximation	(	float	score_i,
		float	score_j,
		const float *	ilm,
		const float *	jlm,
		float	scalar_proj,
		float	adjust,
		float *	mtx
	)

static

Definition at line 244 of file embedsom.cpp.

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◆ add_gravity()

template<int embed_dim>

static void add_gravity	(	const float *	lodim_lm,
		float	score,
		float *	mtx
	)

static

Definition at line 213 of file embedsom.cpp.

◆ dotp_ec()

template<int embed_dim>

static float dotp_ec	(	const float *	a,
		const float *	b
	)

inlinestatic

Definition at line 234 of file embedsom.cpp.

◆ embedsom()

void embedsom	(	size_t	n,
		size_t	n_landmarks,
		size_t	dim,
		float	boost,
		size_t	topn,
		float	adjust,
		const float *	points,
		const float *	hidim_lm,
		const float *	lodim_lm,
		float *	embedding
	)

Definition at line 422 of file embedsom.cpp.

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◆ embedsom_point()

template<class distf , int embed_dim>

static void embedsom_point	(	const size_t	n_landmarks,
		const size_t	dim,
		const float	boost,
		const size_t	topn,
		const float	adjust,
		const float *	point,
		const float *	hidim_lm,
		const float *	lodim_lm,
		float *	embedding,
		vector< dist_id > &	dists
	)

static

Definition at line 357 of file embedsom.cpp.

◆ heap_down()

static void heap_down	(	dist_id *	heap,
		size_t	start,
		size_t	lim
	)

static

Definition at line 140 of file embedsom.cpp.

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◆ knn()

template<class distf >

static void knn	(	const float *	point,
		const float *	hidim_lm,
		size_t	n_landmarks,
		size_t	dim,
		size_t	topnn,
		vector< dist_id > &	dists
	)

static

Definition at line 171 of file embedsom.cpp.

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◆ solve_lin_eq()

template<int embed_dim>

static void solve_lin_eq	(	const float *	mtx,
		float *	embedding
	)

static

Definition at line 291 of file embedsom.cpp.

◆ sorted_dists_to_scores()

template<class distf >

static void sorted_dists_to_scores	(	vector< dist_id > &	dists,
		const size_t	topn,
		const size_t	topnn,
		const float	boost
	)

static

Definition at line 323 of file embedsom.cpp.

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◆ sqrf()

static float sqrf ( float n )

inlinestatic

Definition at line 34 of file embedsom.cpp.

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Variable Documentation

◆ koho_gravity

const float koho_gravity = 1e-5

static

Definition at line 128 of file embedsom.cpp.

◆ max_avoidance

const float max_avoidance = 10

static

Definition at line 122 of file embedsom.cpp.

◆ min_boost

const float min_boost = 1e-5

static

Definition at line 119 of file embedsom.cpp.

◆ zero_avoidance

const float zero_avoidance = 1e-10

static

Definition at line 125 of file embedsom.cpp.

Classes

Namespaces

Functions

Variables

Function Documentation

◆ add_approximation()

◆ add_gravity()

◆ dotp_ec()

◆ embedsom()

◆ embedsom_point()

◆ heap_down()

◆ knn()

◆ solve_lin_eq()

◆ sorted_dists_to_scores()

◆ sqrf()

Variable Documentation

◆ koho_gravity

◆ max_avoidance

◆ min_boost

◆ zero_avoidance