/*
 * This code is generated by BioUML FrameWork 
 * for BIOMD0000000141.xml diagram  at 2008.03.20 15:09:19
 */
import biouml.plugins.simulation.ae.NewtonSolver;
import biouml.plugins.simulation.java.JavaBaseModel;
import ru.biosoft.math.MathRoutines;

public class BIOMD0000000141 extends JavaBaseModel
{

/*
 * Write rules to calculate equation parameters
 */
    private void __internalVarInitFunc_0(double time, double[] x)
    {
        i = flag*0.075*(time - 30);
    }


/*
 * Write rules to calculate equation parameters excluding internal variables.
 */

    public void Init()
    {
        initialValues = getInitialValues();
/*
 * Initialize variables
 */
        Vthresh = 30.0; // initial value of Vthresh
        a = 0.02; // initial value of a
        b = -0.1; // initial value of b
        c = -55.0; // initial value of c
        d = 6.0; // initial value of d
    }

    /*
     * Model variables initial values
     */
    protected double Vthresh;
    protected double a;
    protected double b;
    protected double c;
    protected double d;
    protected double flag;
    protected double i;
    protected double time;

    public double[] extendResult(double time,double [] x)
    {
        this.time = time;

        __internalVarInitFunc_0(time, x);

        double[] y = new double[4];
        y[0] = flag;
        y[1] = i;
        y[2] = x[0];
        y[3] = x[1];
        return y;
    }
    public double[] getInitialValues()
    {
        double [] x = new double[2];
        this.time = 0.0;
        x[0] = 6.0; // - u
        x[1] = -60.0; // - v

        __internalVarInitFunc_0(time, x);

        return x;
    }

/*
 * code for algebraic rules calculations
 */

/*
 * end of code for algebraic rules calculations
 */

    protected void calculateRates(double time, double[] x)
    {

        __internalVarInitFunc_0(time, x);

    }

        /*
         * calculate dy/dt for 'BIOMD0000000141.xml' model
         */
    public void __internalDyDt_0(double time, double [] x, double[] result)
    {
        result[0] = +a*(b*x[1] - x[0]);
        result[1] = +0.04*Math.pow(x[1], 2) + 4.1*x[1] + 108 - x[0] + i;
    }
    protected double [] calculateResult(double time, double[] x)
    {
        double[] result = new double[2];
        __internalDyDt_0(time, x, result);
        return result;
    }
    public double[] dy_dt(double time, double[] x)
    {
        this.time = time;
        calculateRates( time,x );

        return calculateResult( time,x );
    }

    public double[] checkEvent(double time, double[] x)
    {
        this.time = time;

        __internalVarInitFunc_0(time, x);

        double [] flags = new double[2];
        flags[0] = (x[1] > Vthresh) ? +1 : -1; //event_0000001
        flags[1] = (time > 30) ? +1 : -1; //event_0000002
        return flags;
    }

    public void processEvent(int __internalVar12060041596250, double time, double[] x)
    {
        this.time = time;
        if ( __internalVar12060041596250 == 0) //event_0000001
        {
            x[1] = c;
            x[0] = x[0] + d;
        } else if ( __internalVar12060041596250 == 1) //event_0000002
        {
            flag = 1;
        }
    }

} // class ...