/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 Copyright (C) 2005 StatPro Italia srl

 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

 <https://www.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/utilities/dataformatters.hpp>

#include <ostream>

namespace QuantLib::detail {

        std::ostream& operator<<(std::ostream& out,

                                 const ordinal_holder& holder) {

            Size n = holder.n;

            out << n;

            if (n == Size(11) || n == Size(12) || n == Size(13)) {

                out << "th";

            } else {

                switch (n % 10) {

                  case 1:  out << "st";  break;

                  case 2:  out << "nd";  break;

                  case 3:  out << "rd";  break;

                  default: out << "th";

                }

            }

            return out;

        }

        std::ostream& operator<<(std::ostream& out,

                                 const percent_holder& holder) {

            std::ios::fmtflags flags = out.flags();

            Size width = (Size)out.width();

            if (width > 2)

                out.width(width-2); // eat space used by percent sign

            out << std::fixed;

            if (holder.value == Null<Real>())

                out << "null";

            else

                out << holder.value * 100.0 << " %";

            out.flags(flags);

            return out;

        }

    }