** $Id$
**
** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
/* === S T A R T =========================================================== */
-#ifndef __ETL_BEZIER_H
-#define __ETL_BEZIER_H
+#ifndef __ETL__BEZIER_H
+#define __ETL__BEZIER_H
/* === H E A D E R S ======================================================= */
#include "_curve_func.h"
-#include <ETL/fixed>
+#include <cmath> // for ldexp
+// #include <ETL/fixed> // not used
/* === M A C R O S ========================================================= */
bezier<V,T>::operator[](1),
bezier<V,T>::operator[](2),
bezier<V,T>::operator[](3)};
- float t = NearestPointOnCurve(x, array);
- return t > 0.999999 ? 0.999999 : t < 0.000001 ? 0.000001 : t;
+ return NearestPointOnCurve(x, array);
}
else
{
distance_type find_distance(time_type r, time_type s, int steps=7)const
{
const time_type inc((s-r)/steps);
+ if (!inc) return 0;
distance_type ret(0);
value_type last(operator()(r));
/*
* NearestPointOnCurve :
* Compute the parameter value of the point on a Bezier
- * curve segment closest to some arbtitrary, user-input point.
+ * curve segment closest to some arbitrary, user-input point.
* Return the point on the curve at that parameter value.
*
* value_type& P; The user-supplied point