1/*
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3 *
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5 * benchmark specification maintained by the TPC.
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9 * and trademark rights therein.
10 *
11 * No Warranty
12 *
13 * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
14 * CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
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17 * INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
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25 * ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
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28 * INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
29 * OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
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31 * ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
32 *
33 * Contributors
34 * - Sergey Vasilevskiy
35 */
36
37/******************************************************************************
38 * Description: Money type that keeps all calculations in integer
39 * number of cents. Needed for consistency of initial
40 * database population.
41 ******************************************************************************/
42
43#ifndef MONEY_H
44#define MONEY_H
45
46#include "EGenStandardTypes.h"
47
48namespace TPCE {
49
50class CMoney {
51 INT64 m_iAmountInCents; // dollar amount * 100
52
53 // Define binary operators when CMoney is the right operand
54 //
55 friend CMoney operator*(int l_i, CMoney r_m);
56 friend CMoney operator*(double l_f, CMoney r_m);
57 friend double operator/(double l_f, CMoney r_m);
58
59public:
60 // Default constructor - initialize to $0
61 //
62 CMoney() : m_iAmountInCents(0) {
63 }
64
65 // Initialize from another CMoney
66 //
67 CMoney(CMoney *m) : m_iAmountInCents(m->m_iAmountInCents) {
68 }
69
70 // Initialize CMoney from double
71 //
72 CMoney(double fAmount)
73 : m_iAmountInCents((INT64)(100.0 * fAmount + 0.5)) // round floating-point number correctly
74 {
75 }
76
77 // Return amount in integer dollars and fractional cents e.g. $123.99
78 //
79 double DollarAmount() {
80 return m_iAmountInCents / 100.0;
81 }
82
83 // Return amount in integer cents e.g. 12399
84 INT64 CentsAmount() {
85 return m_iAmountInCents;
86 }
87
88 // Define arithmetic operations on CMoney and CMoney
89 //
90 CMoney operator+(const CMoney &m) {
91 CMoney ret(this);
92
93 ret.m_iAmountInCents += m.m_iAmountInCents;
94
95 return ret;
96 }
97
98 CMoney &operator+=(const CMoney &m) {
99 m_iAmountInCents += m.m_iAmountInCents;
100
101 return *this;
102 }
103
104 CMoney operator-(const CMoney &m) {
105 CMoney ret(this);
106
107 ret.m_iAmountInCents -= m.m_iAmountInCents;
108
109 return ret;
110 }
111
112 CMoney &operator-=(const CMoney &m) {
113 m_iAmountInCents -= m.m_iAmountInCents;
114
115 return *this;
116 }
117
118 CMoney operator*(const CMoney &m) {
119 CMoney ret(this);
120
121 ret.m_iAmountInCents *= m.m_iAmountInCents;
122
123 return ret;
124 }
125
126 CMoney operator/(const CMoney &m) {
127 CMoney ret(this);
128
129 ret.m_iAmountInCents /= m.m_iAmountInCents;
130
131 return ret;
132 }
133
134 // Define arithmetic operations on CMoney and int
135 //
136 CMoney operator*(int i) {
137 CMoney ret(this);
138
139 ret.m_iAmountInCents *= i;
140
141 return ret;
142 }
143
144 // Define arithmetic operations on CMoney and double
145 //
146 CMoney operator+(double f) {
147 CMoney ret(this);
148
149 ret.m_iAmountInCents += (INT64)(100.0 * f + 0.5);
150
151 return ret;
152 }
153
154 CMoney operator-(double f) {
155 CMoney ret(this);
156
157 ret.m_iAmountInCents -= (INT64)(100.0 * f + 0.5);
158
159 return ret;
160 }
161
162 CMoney &operator-=(double f) {
163 m_iAmountInCents -= (INT64)(100.0 * f + 0.5);
164
165 return *this;
166 }
167
168 CMoney operator*(double f) {
169 CMoney ret(this);
170
171 // Do a trick for correct rounding. Can't use ceil or floor functions
172 // because they do not round properly (e.g. down when < 0.5, up when >=
173 // 0.5).
174 //
175 if (ret.m_iAmountInCents > 0) {
176 ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents * f + 0.5);
177 } else {
178 ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents * f - 0.5);
179 }
180
181 return ret;
182 }
183
184 CMoney operator/(double f) {
185 CMoney ret(this);
186
187 if (ret.m_iAmountInCents > 0) {
188 ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents / f + 0.5);
189 } else {
190 ret.m_iAmountInCents = (INT64)(ret.m_iAmountInCents / f - 0.5);
191 }
192
193 return ret;
194 }
195
196 // Assignment of a double (presumed fractional dollar amount e.g. in the
197 // form $123.89)
198 //
199 CMoney &operator=(double f) {
200 m_iAmountInCents = (INT64)(100.0 * f + 0.5);
201
202 return *this;
203 }
204
205 // Comparison operators
206 //
207 bool operator==(const CMoney &m) {
208 return m_iAmountInCents == m.m_iAmountInCents;
209 }
210
211 bool operator>(const CMoney &m) {
212 return m_iAmountInCents > m.m_iAmountInCents;
213 }
214 bool operator>=(const CMoney &m) {
215 return m_iAmountInCents >= m.m_iAmountInCents;
216 }
217
218 bool operator<(const CMoney &m) {
219 return m_iAmountInCents < m.m_iAmountInCents;
220 }
221 bool operator<=(const CMoney &m) {
222 return m_iAmountInCents <= m.m_iAmountInCents;
223 }
224};
225
226} // namespace TPCE
227
228#endif // #ifndef MONEY_H
229