/* * Legal Notice * * This document and associated source code (the "Work") is a part of a * benchmark specification maintained by the TPC. * * The TPC reserves all right, title, and interest to the Work as provided * under U.S. and international laws, including without limitation all patent * and trademark rights therein. * * No Warranty * * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION * CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE * AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER * WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY, * INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES, * DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR * PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF * WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE. * ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT, * QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT * WITH REGARD TO THE WORK. * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO * ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE * COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS * OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT, * INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY, * OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT * RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD * ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. * * Contributors * - Sergey Vasilevskiy */ /****************************************************************************** * Description: Money type that keeps all calculations in integer * number of cents. Needed for consistency of initial * database population. ******************************************************************************/ #ifndef MONEY_H #define MONEY_H #include "EGenStandardTypes.h" namespace TPCE { class CMoney { INT64 m_iAmountInCents; // dollar amount * 100 // Define binary operators when CMoney is the right operand // friend CMoney operator*(int l_i, CMoney r_m); friend CMoney operator*(double l_f, CMoney r_m); friend double operator/(double l_f, CMoney r_m); public: // Default constructor - initialize to $0 // CMoney() : m_iAmountInCents(0) { } // Initialize from another CMoney // CMoney(CMoney *m) : m_iAmountInCents(m->m_iAmountInCents) { } // Initialize CMoney from double // CMoney(double fAmount) : m_iAmountInCents((INT64)(100.0 * fAmount + 0.5)) // round floating-point number correctly { } // Return amount in integer dollars and fractional cents e.g. $123.99 // double DollarAmount() { return m_iAmountInCents / 100.0; } // Return amount in integer cents e.g. 12399 INT64 CentsAmount() { return m_iAmountInCents; } // Define arithmetic operations on CMoney and CMoney // CMoney operator+(const CMoney &m) { CMoney ret(this); ret.m_iAmountInCents += m.m_iAmountInCents; return ret; } CMoney &operator+=(const CMoney &m) { m_iAmountInCents += m.m_iAmountInCents; return *this; } CMoney operator-(const CMoney &m) { CMoney ret(this); ret.m_iAmountInCents -= m.m_iAmountInCents; return ret; } CMoney &operator-=(const CMoney &m) { m_iAmountInCents -= m.m_iAmountInCents; return *this; } CMoney operator*(const CMoney &m) { CMoney ret(this); ret.m_iAmountInCents *= m.m_iAmountInCents; return ret; } CMoney operator/(const CMoney &m) { CMoney ret(this); ret.m_iAmountInCents /= m.m_iAmountInCents; return ret; } // Define arithmetic operations on CMoney and int // CMoney operator*(int i) { CMoney ret(this); ret.m_iAmountInCents *= i; return ret; } // Define arithmetic operations on CMoney and double // CMoney operator+(double f) { CMoney ret(this); ret.m_iAmountInCents += (INT64)(100.0 * f + 0.5); return ret; } CMoney operator-(double f) { CMoney ret(this); ret.m_iAmountInCents -= (INT64)(100.0 * f + 0.5); return ret; } CMoney &operator-=(double f) { m_iAmountInCents -= (INT64)(100.0 * f + 0.5); return *this; } CMoney operator*(double f) { CMoney ret(this); // Do a trick for correct rounding. Can't use ceil or floor functions // because they do not round properly (e.g. down when < 0.5, up when >= // 0.5). // if (ret.m_iAmountInCents > 0) { ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents * f + 0.5); } else { ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents * f - 0.5); } return ret; } CMoney operator/(double f) { CMoney ret(this); if (ret.m_iAmountInCents > 0) { ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents / f + 0.5); } else { ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents / f - 0.5); } return ret; } // Assignment of a double (presumed fractional dollar amount e.g. in the // form $123.89) // CMoney &operator=(double f) { m_iAmountInCents = (INT64)(100.0 * f + 0.5); return *this; } // Comparison operators // bool operator==(const CMoney &m) { return m_iAmountInCents == m.m_iAmountInCents; } bool operator>(const CMoney &m) { return m_iAmountInCents > m.m_iAmountInCents; } bool operator>=(const CMoney &m) { return m_iAmountInCents >= m.m_iAmountInCents; } bool operator<(const CMoney &m) { return m_iAmountInCents < m.m_iAmountInCents; } bool operator<=(const CMoney &m) { return m_iAmountInCents <= m.m_iAmountInCents; } }; } // namespace TPCE #endif // #ifndef MONEY_H