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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
Copyright (C) 2000, 2001, 2002, 2003 RiskMap srl
Copyright (C) 2017 Francois Botha
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it
under the terms of the QuantLib license. You should have received a
copy of the license along with this program; if not, please email
<quantlib-dev@lists.sf.net>. The license is also available online at
<http://quantlib.org/license.shtml>.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
#include <ql/time/calendars/botswana.hpp>
namespace QuantLib {
Botswana::Botswana() {
// all calendar instances share the same implementation instance
static ext::shared_ptr<Calendar::Impl> impl(new Botswana::Impl);
impl_ = impl;
}
bool Botswana::Impl::isBusinessDay(const Date& date) const {
Weekday w = date.weekday();
Day d = date.dayOfMonth(), dd = date.dayOfYear();
Month m = date.month();
Year y = date.year();
Day em = easterMonday(y);
if (isWeekend(w)
// New Year's Day (possibly moved to Monday or Tuesday)
|| ((d == 1 || (d == 2 && w == Monday) || (d == 3 && w == Tuesday))
&& m == January)
// Good Friday
|| (dd == em - 3)
// Easter Monday
|| (dd == em)
// Labour Day, May 1st (possibly moved to Monday)
|| ((d == 1 || (d == 2 && w == Monday))
&& m == May)
// Ascension
|| (dd == em + 38)
// Sir Seretse Khama Day, July 1st (possibly moved to Monday)
|| ((d == 1 || (d == 2 && w == Monday))
&& m == July)
// Presidents' Day (third Monday of July)
|| ((d >= 15 && d <= 21) && w == Monday && m == July)
// Independence Day, September 30th (possibly moved to Monday)
|| ((d == 30 && m == September) ||
(d == 1 && w == Monday && m == October))
// Botswana Day, October 1st (possibly moved to Monday or Tuesday)
|| ((d == 1 || (d == 2 && w == Monday) || (d == 3 && w == Tuesday))
&& m == October)
// Christmas
|| (d == 25 && m == December)
// Boxing Day (possibly moved to Monday)
|| ((d == 26 || (d == 27 && w == Monday))
&& m == December)
)
return false; // NOLINT(readability-simplify-boolean-expr)
return true;
}
}
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