Example: Previous Coupon Date Before the Settlement Date

using System;
using Imsl.Finance;

public class couppcdEx1
{
    public static void  Main(String[] args)
    {
        DateTime settlement = DateTime.Parse("11/11/86");
        DateTime maturity = DateTime.Parse("3/1/99");
        Bond.Frequency freq = Bond.Frequency.SemiAnnual;
        DayCountBasis dcb = DayCountBasis.BasisActual365;
        DateTime couppcd = Bond.Couppcd(settlement, maturity, freq, 
                                        dcb);
        Console.Out.WriteLine("The previous coupon date before the " + 
                              "settlement \ndate is " + 
                              couppcd.ToLongDateString());
    }
}

Output

The previous coupon date before the settlement 
date is Monday, September 01, 1986