belgium.cpp

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/*
 Copyright (C) 2020 Quaternion Risk Management Ltd
 All rights reserved.
 
 This file is part of ORE, a free-software/open-source library
 for transparent pricing and risk analysis - http://opensourcerisk.org
 
 ORE is free software: you can redistribute it and/or modify it
 under the terms of the Modified BSD License.  You should have received a
 copy of the license along with this program.
 The license is also available online at <http://opensourcerisk.org>
 
 This program is distributed on the basis that it will form a useful
 contribution to risk analytics and model standardisation, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 FITNESS FOR A PARTICULAR PURPOSE. See the license for more details.
*/
 
#include <qle/calendars/belgium.hpp>
 
using namespace QuantLib;
 
namespace QuantExt {
 
Belgium::Belgium(Market market) {
    // all calendar instances share the same implementation instance
    static QuantLib::ext::shared_ptr<Calendar::Impl> impl(new Belgium::SettlementImpl);
    impl_ = impl;
}
 
bool Belgium::SettlementImpl::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 Years Day
        || (d == 1 && m == January)
        // Easter Monday
        || (dd == em)
        // Labour Day
        || (d == 1 && m == May)
        // Ascension Thursday
        || (dd == em + 38)
        // Pentecost Monday
        || (dd == em + 49)
        // Independence Day
        || (d == 21 && m == July)
        // Assumption Day
        || (d == 15 && m == August)
        // All Saints
        || (d == 1 && m == November)
        // Armistice Day
        || (d == 11 && m == November)
        // Christmas
        || (d == 25 && m == December))
        return false;
    return true;
}
 
} // namespace QuantExt