spiro.cpp File Reference

C implementation of third-order polynomial spirals. More...

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Namespaces
namespace	Spiro

Functions
void	Spiro::spiro_run (const spiro_cp *src, int src_len, SPCurve &curve)
void	Spiro::spiro_run (const spiro_cp *src, int src_len, Geom::Path &path)
static void	Spiro::integrate_spiro (const double ks[4], double xy[2])
static double	Spiro::compute_ends (const double ks[4], double ends[2][4], double seg_ch)
static void	Spiro::compute_pderivs (const spiro_seg *s, double ends[2][4], double derivs[4][2][4], int jinc)
static double	Spiro::mod_2pi (double th)
static spiro_seg *	Spiro::setup_path (const spiro_cp *src, int n)
static void	Spiro::bandec11 (bandmat *m, int *perm, int n)
static void	Spiro::banbks11 (const bandmat *m, const int *perm, double *v, int n)
static int	Spiro::compute_jinc (char ty0, char ty1)
static int	Spiro::count_vec (const spiro_seg *s, int nseg)
static void	Spiro::add_mat_line (bandmat *m, double *v, double derivs[4], double x, double y, int j, int jj, int jinc, int nmat)
static double	Spiro::spiro_iter (spiro_seg *s, bandmat *m, int *perm, double *v, const int n)
static int	Spiro::solve_spiro (spiro_seg *s, const int nseg)
static void	Spiro::spiro_seg_to_otherpath (const double ks[4], double x0, double y0, double x1, double y1, ConverterBase &bc, int depth, bool close_last)
spiro_seg *	Spiro::run_spiro (const spiro_cp *src, int n)
void	Spiro::free_spiro (spiro_seg *s)
void	Spiro::spiro_to_otherpath (const spiro_seg *s, int n, ConverterBase &bc)
double	Spiro::get_knot_th (const spiro_seg *s, int i)
static double	get_time (void)
int	test_integ (void)
void	print_seg (const double ks[4], double x0, double y0, double x1, double y1)
void	print_segs (const spiro_seg *segs, int nsegs)
int	test_curve (void)
int	main (int argc, char **argv)

Variables
int	Spiro::n = 4

Detailed Description

C implementation of third-order polynomial spirals.

Definition in file spiro.cpp.

Function Documentation

get_time()

static double get_time ( void  )

static

Definition at line 959 of file spiro.cpp.

Referenced by test_integ().

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 1118 of file spiro.cpp.

References test_curve().

print_seg()

void print_seg	(	const double	ks[4],
		double	x0,
		double	y0,
		double	x1,
		double	y1
	)

Definition at line 1005 of file spiro.cpp.

References bend(), Spiro::integrate_spiro(), print_seg(), and scale.

Referenced by print_seg(), and print_segs().

print_segs()

void print_segs	(	const spiro_seg *	segs,
		int	nsegs
	)

Definition at line 1065 of file spiro.cpp.

References print_seg().

Referenced by test_curve().

test_curve()

int test_curve

(

void

)

Definition at line 1085 of file spiro.cpp.

References Spiro::n, print_segs(), Spiro::setup_path(), and Spiro::solve_spiro().

Referenced by SPHatchPath::bounds(), main(), TEST(), TEST_F(), and TEST_F().

test_integ()

int test_integ

(

void

)

Definition at line 970 of file spiro.cpp.

References get_time(), Spiro::integrate_spiro(), Spiro::n, and ORDER.