bnd_circle.c File Reference

Set of functions to calculate a bounding circle around a certain set of points. More...

#include "config.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <float.h>
#include "geometry.h"
#include "utils_core.h"
#include "yac_types.h"
#include "ensure_array_size.h"

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Functions
static double	get_sin_vector_angle (double a[3], double b[3])
static void	yac_get_cell_bounding_circle_unstruct_triangle (double a[3], double b[3], double c[3], struct bounding_circle *bnd_circle)
static void	yac_get_cell_bounding_circle_unstruct_quad (double a[3], double b[3], double c[3], double d[3], struct bounding_circle *bnd_circle)
static void	yac_get_cell_bounding_circle_unstruct_penta (double a[3], double b[3], double c[3], double d[3], double e[3], struct bounding_circle *bnd_circle)
static void	yac_get_cell_bounding_circle_unstruct_hexa (double a[3], double b[3], double c[3], double d[3], double e[3], double f[3], struct bounding_circle *bnd_circle)
static void	yac_get_cell_bounding_circle_reg_quad (struct yac_grid_cell quad, struct bounding_circle *bnd_circle)
static void	yac_get_cell_bounding_circle_unstruct (size_t num_corners, double(*restrict coordinates_xyz)[3], struct bounding_circle *bnd_circle)
static struct sin_cos_angle	compute_edge_inc_angle (double *restrict a, double *restrict b, double *restrict middle_point)
void	yac_get_cell_bounding_circle (struct yac_grid_cell cell, struct bounding_circle *bnd_circle)
int	yac_extents_overlap (struct bounding_circle *extent_a, struct bounding_circle *extent_b)

Detailed Description

Set of functions to calculate a bounding circle around a certain set of points.

Definition in file bnd_circle.c.

Function Documentation

compute_edge_inc_angle()

static struct sin_cos_angle compute_edge_inc_angle ( double *restrict a, double *restrict b, double *restrict middle_point )

inlinestatic

Definition at line 410 of file bnd_circle.c.

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get_sin_vector_angle()

static double get_sin_vector_angle ( double a[3], double b[3] )

inlinestatic

Definition at line 25 of file bnd_circle.c.

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yac_extents_overlap()

int yac_extents_overlap	(	struct bounding_circle *	extent_a,
		struct bounding_circle *	extent_b )

checks whether two extents overlap

Parameters

[in]	extent_a	bounding circle
[in]	extent_b	bounding circle

Returns

0 if the bounding circles do not overlap

Definition at line 533 of file bnd_circle.c.

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yac_get_cell_bounding_circle()

void yac_get_cell_bounding_circle	(	struct yac_grid_cell	cell,
		struct bounding_circle *	bnd_circle )

gets the bounding circle for a grid cell

Parameters

[in]	cell	grid cell (coordinates have to be in radian)
[out]	bnd_circle	bounding circle of the grid cell

Definition at line 422 of file bnd_circle.c.

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yac_get_cell_bounding_circle_reg_quad()

static void yac_get_cell_bounding_circle_reg_quad ( struct yac_grid_cell quad, struct bounding_circle * bnd_circle )

static

Definition at line 318 of file bnd_circle.c.

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yac_get_cell_bounding_circle_unstruct()

static void yac_get_cell_bounding_circle_unstruct ( size_t num_corners, double(*) coordinates_xyz[3], struct bounding_circle * bnd_circle )

static

Definition at line 354 of file bnd_circle.c.

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yac_get_cell_bounding_circle_unstruct_hexa()

static void yac_get_cell_bounding_circle_unstruct_hexa ( double a[3], double b[3], double c[3], double d[3], double e[3], double f[3], struct bounding_circle * bnd_circle )

static

Definition at line 233 of file bnd_circle.c.

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yac_get_cell_bounding_circle_unstruct_penta()

static void yac_get_cell_bounding_circle_unstruct_penta ( double a[3], double b[3], double c[3], double d[3], double e[3], struct bounding_circle * bnd_circle )

static

Definition at line 158 of file bnd_circle.c.

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yac_get_cell_bounding_circle_unstruct_quad()

static void yac_get_cell_bounding_circle_unstruct_quad ( double a[3], double b[3], double c[3], double d[3], struct bounding_circle * bnd_circle )

static

Definition at line 91 of file bnd_circle.c.

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yac_get_cell_bounding_circle_unstruct_triangle()

static void yac_get_cell_bounding_circle_unstruct_triangle ( double a[3], double b[3], double c[3], struct bounding_circle * bnd_circle )

static

Definition at line 38 of file bnd_circle.c.

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