m_circle.c File Reference

Low-level mathmatical functions for circles. More...

#include <config.h>
#include <math.h>
#include <stdio.h>
#include "libgeda_priv.h"

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Functions
double	m_circle_shortest_distance (CIRCLE *circle, int x, int y, int solid)
	Calculates the distance between the given point and the closest point on the perimeter or interior of the circle.

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Detailed Description

Definition in file m_circle.c.

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Function Documentation

double m_circle_shortest_distance	(	CIRCLE *	circle,
		int	x,
		int	y,
		int	solid
	)

Parameters:

[in]	circle	The circle.
[in]	x	The x coordinate of the given point.
[in]	y	The y coordinate of the given point.
[in]	solid	TRUE if the circle should be treated as solid, FALSE if the circle should be treated as hollow.

Returns:

The shortest distance from the circle to the point. With a solid shape, this function returns a distance of zero for interior points. With an invalid parameter, this function returns G_MAXDOUBLE.

Definition at line 49 of file m_circle.c.