Differential D16766 Diff 46191 kmymoney/plugins/views/reports/core/cashflowlist.h

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kmymoney/plugins/views/reports/core/cashflowlist.h

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		1		/*
		2		* Copyright 2007 Sascha Pfau <MrPeacock@gmail.com>
		3		* Copyright 2018 Ralf Habacker <ralf.habacker@freenet.de>
		4		*
		5		* This program is free software; you can redistribute it and/or
		6		* modify it under the terms of the GNU General Public License as
		7		* published by the Free Software Foundation; either version 2 of
		8		* the License, or (at your option) any later version.
		9		*
		10		* This program is distributed in the hope that it will be useful,
		11		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		12		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		13		* GNU General Public License for more details.
		14		*
		15		* You should have received a copy of the GNU General Public License
		16		* along with this program. If not, see <http://www.gnu.org/licenses/>.
		17		*/
		18
		19		/*
		20		* This file contains code from the func_xirr and related methods of
		21		* financial.cpp from KOffice by Sascha Pfau. Sascha agreed to relicense
		22		* those methods under GPLv2 or later.
		23		*/
		24
		25		#ifndef CASHFLOWLIST_H
		26		#define CASHFLOWLIST_H
		27
		28		#include "mymoneymoney.h"
		29
		30		#include <QDate>
		31		#include <QList>
		32
		33		class CashFlowListItem
		34		{
		35		public:
		36		CashFlowListItem() {}
		37		CashFlowListItem(const QDate& _date, const MyMoneyMoney& _value): m_date(_date), m_value(_value) {}
		38		bool operator<(const CashFlowListItem& _second) const {
		39		return m_date < _second.m_date;
		40		}
		41		bool operator<=(const CashFlowListItem& _second) const {
		42		return m_date <= _second.m_date;
		43		}
		44		bool operator>(const CashFlowListItem& _second) const {
		45		return m_date > _second.m_date;
		46		}
		47		const QDate& date() const {
		48		return m_date;
		49		}
		50		const MyMoneyMoney& value() const {
		51		return m_value;
		52		}
		53
		54		private:
		55		QDate m_date;
		56		MyMoneyMoney m_value;
		57		};
		58
		59		/**
		60		* Cash flow analysis tools for investment reports
		61		*/
		62		class CashFlowList: public QList<CashFlowListItem>
		63		{
		64		public:
		65		CashFlowList() {}
		66		double XIRR(double rate = 0.1) const;
		67		MyMoneyMoney total() const;
		68		void dumpDebug() const;
		69
		70		private:
		71		double xirrResult(double rate) const;
		72		double xirrResultDerive(double rate) const;
		73		};
		74
		75		#endif // CASHFLOWLIST_H