package com.imsl.test.example.finance;

import com.imsl.finance.*;
import java.text.*;
import java.util.*;

/**
 * <p>
 * Computes the convexity of a 10 year bond. </p>
 * The convexity of a 10 year bond which pays interest semiannually is returned
 * in this example.
 *
 * @see <a href="BondConvexityEx1.java">Code</a>
 * @see <a href="doc-files/BondConvexityEx1.out">Output</a>
 */

public class BondConvexityEx1 {

    static final DateFormat dateFormat
            = DateFormat.getDateInstance(DateFormat.SHORT, Locale.US);

    static private GregorianCalendar parse(String s) throws ParseException {
        GregorianCalendar cal = new GregorianCalendar();
        cal.setTime(dateFormat.parse(s));
        return cal;
    }

    public static void main(String args[]) throws ParseException {
        GregorianCalendar settlement = parse("7/1/90");
        GregorianCalendar maturity = parse("7/1/00");
        double coupon = .075;
        double yield = .09;
        int freq = Bond.SEMIANNUAL;
        DayCountBasis dcb = DayCountBasis.BasisActual365;
        double convexity = Bond.convexity(settlement, maturity, coupon,
                yield, freq, dcb);
        System.out.println("The convexity of the bond with semiannual "
                + "interest payments is " + convexity);
    }
}