/*
 * Copyright (C) 2010 - DIGITEO - Sylvestre Ledru
 *
 * This file is released under the 3-clause BSD license. See COPYING-BSD.
 *
 */

import org.scilab.modules.javasci.Scilab;
import org.scilab.modules.types.ScilabType;
import org.scilab.modules.types.ScilabDouble;

class Example1 {

    public static void main(String[] args) {
        try {

            Scilab sci = new Scilab();

            if (sci.open()) {
                /* Send a Scilab instruction */
                sci.exec("foo = [ 2, 4, 6; 4, 0, 10; 6, 10, 12 ];");

                /* Retrieve the variable foo */
                ScilabType foo = sci.get("foo");

                /* Display the variable */
                System.out.println("Representation of  : " + foo);

                /* Get the data and retrieve the 2,2 value */
                double[][] aReal = ((ScilabDouble)foo).getRealPart();
                System.out.println("foo[1,1] = " + aReal[1][1]);

                /* Change the value of 2,2 */
                aReal[1][1] = Math.PI;

                /* Create a new variable */
                ScilabDouble bar = new ScilabDouble(aReal);

                /* Send it to Scilab */
                sci.put("bar", bar);

                /* Display it through Scilab */
                sci.exec("disp(bar)");

                sci.close();
            } else {
                System.out.println("Could not start Scilab ");
            }


            /* Can be improved by other exceptions: AlreadyRunningException,
             * InitializationException, UndefinedVariableException,
             * UnknownTypeException, etc
             */
        } catch (org.scilab.modules.javasci.JavasciException e) {
            System.err.println("An exception occurred: " + e.getLocalizedMessage());
        }

    }
}