/* Sumloop Applet

@Author: Christopher Hylands, based on Prime.java by Tom Parks

@Version:@(#)SumloopApplet.java	1.3 02/05/98

@Copyright (c) 1998 The Regents of the University of California.
All rights reserved.

Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the
above copyright notice and the following two paragraphs appear in all
copies of this software.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.

                                                PT_COPYRIGHT_VERSION_2
                                                COPYRIGHTENDKEY
*/
import java.applet.Applet;
import java.awt.*;
import ptplot.*;

//////////////////////////////////////////////////////////////////////////
//// sumloopApplet
/** 
 * Applet interface to Kernighan and Wyk's sumloop class.
 */

public class SumloopApplet extends TextPlotApplet {

    /** Add a point to the plot.  This method is called by JavaScript. */
    public void addPoint(int dataset, double x, double y, boolean connected) {
        timeplot.addPoint(dataset, x, y, connected);
    }

    /** Initialize the plot */
    public void init() {
        timeplot = new Plot();
        timeplot.setYLog(true);
        timeplot.setXRange(125000,1000000);
        timeplot.setYRange(-2,2);
        timeplot.setTitle("Sumloop");
        timeplot.setNumSets(2);
        timeplot.setXLabel("n");
        timeplot.setYLabel("seconds");
        timeplot.setMarksStyle("various");
        timeplot.addLegend(0, "JavaScript");
        timeplot.addLegend(1, "Java Applet");
        super.init();
    }

    /** Return a string describing this applet. */
    public String getAppletInfo() {
        return "SumloopApplet: Applet interface to Kernighan & Wyk's " +
            "sumloop timing tests\n" +
            "By: Christopher Hylands, cxh@eecs.berkeley.edu\n" +
            "@(#)SumloopApplet.java	1.3 02/05/98";
    }

    /**
      * Run the all the tests.
      * This method is called when the button is pressed.
      */ 
    public void runTest () {
	_frame.setCursor(Frame.WAIT_CURSOR);
        int loops = 0;
	try
	{
	    loops = Integer.parseInt(_loopField.getText());
	} catch (NumberFormatException e) {}
        output.appendText("loop: "+loops);

        _connected = false;
        runOneTest(loops, 125000);
        runOneTest(loops, 250000);
        runOneTest(loops, 500000);
        runOneTest(loops, 1000000);
        _connected = false;

	_frame.setCursor(Frame.DEFAULT_CURSOR);
    }

    /** Run one test, plot the data */ 	
    public void runOneTest  (int loops, int n) {
        String argv[] = new String[1];
        argv[0] = String.valueOf(n);
        String results;
        for(int i = 0; i<loops; i++) {
            sumloop sumloop = new sumloop();
            results = sumloop.runsumloop(argv);
            output.appendText("# " + results + "\n");
            // Get the middle field
            double time = Double.valueOf(results.substring(
                    results.indexOf(' ')+1,
                    results.lastIndexOf(' '))).doubleValue()/1000.0;
            timeplot.addPoint(1,n,time,_connected);
            if (_connected == false)
                _connected = true;
            output.appendText(n + " " + time + "\n");
        }
    }

    
    boolean _connected = false;
}