X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=ETL%2Ftest%2Fspline.cpp;fp=ETL%2Ftest%2Fspline.cpp;h=eaae237dfa3772a79eb4fe33e2c38387d1cc4606;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/ETL/test/spline.cpp b/ETL/test/spline.cpp
new file mode 100644
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+++ b/ETL/test/spline.cpp
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+/*! ========================================================================
+** Extended Template and Library Test Suite
+** Spline Curve Test
+** $Id$
+**
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+** General Public License for more details.
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#include <ETL/spline>
+#include <ETL/angle>
+#include <ETL/clock>
+#include <ETL/calculus>
+#include <stdio.h>
+
+/* === M A C R O S ========================================================= */
+
+using namespace etl;
+
+/* === C L A S S E S ======================================================= */
+
+
+/* === P R O C E D U R E S ================================================= */
+
+int bspline_basic_test(void)
+{
+	int ret=0;
+	float f;
+
+	bspline<float> BSpline;
+	etl::clock timer;
+	double t;
+
+	*BSpline.cpoints().insert(BSpline.cpoints().end())=0;
+	*BSpline.cpoints().insert(BSpline.cpoints().end())=-1;
+	*BSpline.cpoints().insert(BSpline.cpoints().end())=0;
+	*BSpline.cpoints().insert(BSpline.cpoints().end())=1;
+	*BSpline.cpoints().insert(BSpline.cpoints().end())=0;
+
+	BSpline.set_m(4);
+	BSpline.reset_knots();
+
+	integral<bspline<float> > inte(BSpline);
+
+
+	/*
+	for(f=0.0;f<1.001;f+=0.05)
+		fprintf(stderr,"BSpline(%f)= %f\n",f,BSpline(f));
+	*/
+
+	fprintf(stderr,"integral of BSpline() on [0,1] = %f\n",inte(0,1.0));
+
+
+	for(f=0.0f,timer.reset();f<1.001f;f+=0.000005f)
+	{
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+		t+=BSpline(f)+BSpline(f+0.1f);
+	}
+	t=timer();
+
+	fprintf(stderr,"BSpline time=%f milliseconds\n",t*1000);
+	return ret;
+}
+
+/* === E N T R Y P O I N T ================================================= */
+
+int main()
+{
+	int error=0;
+
+	error+=bspline_basic_test();
+
+	return error;
+}
+