lw_seg_length()

double lw_seg_length	(	const POINT2D *	A1,
		const POINT2D *	A2
	)

Returns the length of a linear segment.

Definition at line 75 of file lwalgorithm.c.

{
        return sqrt((A1->x-A2->x)*(A1->x-A2->x)+(A1->y-A2->y)*(A1->y-A2->y));
}

References POINT2D::x, and POINT2D::y.