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a945c346 | 1 | // Copyright (C) 2009-2024 Free Software Foundation, Inc. |
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2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
02ebbe2f | 18 | // { dg-require-effective-target dfp } |
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19 | |
20 | // ISO/IEC TR 24733 3.2.2.5 Increment and decrement operators (decimal32). | |
21 | // ISO/IEC TR 24733 3.2.3.5 Increment and decrement operators (decimal64). | |
22 | // ISO/IEC TR 24733 3.2.4.5 Increment and decrement operators (decimal128). | |
23 | ||
24 | // Access member functions directly. | |
25 | ||
26 | #include <decimal/decimal> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | // Use extension to replace implicit long long conversion with function call. | |
30 | #define LONGLONG(X) decimal_to_long_long(X) | |
31 | ||
32 | using namespace std::decimal; | |
33 | ||
34 | void | |
35 | incdec32 (void) | |
36 | { | |
37 | int ival; | |
ef859c9d | 38 | decimal32 a(11), b, c; |
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39 | |
40 | // Verify that we get the expected value of b after assignment. | |
41 | b = a; | |
42 | ival = LONGLONG (b); VERIFY (ival == 11); | |
43 | ||
44 | // Check that the increment and decrement operators change the value | |
45 | // of the original class. | |
46 | b = a; | |
47 | b.operator++(); | |
48 | ival = LONGLONG (b); VERIFY (ival == 12); | |
49 | ||
50 | b = a; | |
51 | b.operator++(1); | |
52 | ival = LONGLONG (b); VERIFY (ival == 12); | |
53 | ||
54 | b = a; | |
55 | b.operator--(); | |
56 | ival = LONGLONG (b); VERIFY (ival == 10); | |
57 | ||
58 | b = a; | |
59 | b.operator--(1); | |
60 | ival = LONGLONG (b); VERIFY (ival == 10); | |
61 | ||
62 | // Check that the increment and decrement operators return the | |
63 | // correct value. | |
64 | b = a; | |
65 | c = b.operator++(); | |
66 | ival = LONGLONG (c); VERIFY (ival == 12); | |
67 | ||
68 | b = a; | |
69 | c = b.operator++(1); | |
70 | ival = LONGLONG (c); VERIFY (ival == 11); | |
71 | ||
72 | b = a; | |
73 | c = b.operator--(); | |
74 | ival = LONGLONG (c); VERIFY (ival == 10); | |
75 | ||
76 | b = a; | |
77 | c = b.operator--(1); | |
78 | ival = LONGLONG (c); VERIFY (ival == 11); | |
79 | } | |
80 | ||
81 | void | |
82 | incdec64 (void) | |
83 | { | |
84 | int ival; | |
ef859c9d | 85 | decimal64 a(11), b, c; |
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86 | |
87 | // Verify that we get the expected value of b after assignment. | |
88 | b = a; | |
89 | ival = LONGLONG (b); VERIFY (ival == 11); | |
90 | ||
91 | // Check that the increment and decrement operators change the value | |
92 | // of the original class. | |
93 | b = a; | |
94 | b.operator++(); | |
95 | ival = LONGLONG (b); VERIFY (ival == 12); | |
96 | ||
97 | b = a; | |
98 | b.operator++(1); | |
99 | ival = LONGLONG (b); VERIFY (ival == 12); | |
100 | ||
101 | b = a; | |
102 | b.operator--(); | |
103 | ival = LONGLONG (b); VERIFY (ival == 10); | |
104 | ||
105 | b = a; | |
106 | b.operator--(1); | |
107 | ival = LONGLONG (b); VERIFY (ival == 10); | |
108 | ||
109 | // Check that the increment and decrement operators return the | |
110 | // correct value. | |
111 | b = a; | |
112 | c = b.operator++(); | |
113 | ival = LONGLONG (c); VERIFY (ival == 12); | |
114 | ||
115 | b = a; | |
116 | c = b.operator++(1); | |
117 | ival = LONGLONG (c); VERIFY (ival == 11); | |
118 | ||
119 | b = a; | |
120 | c = b.operator--(); | |
121 | ival = LONGLONG (c); VERIFY (ival == 10); | |
122 | ||
123 | b = a; | |
124 | c = b.operator--(1); | |
125 | ival = LONGLONG (c); VERIFY (ival == 11); | |
126 | } | |
127 | ||
128 | void | |
129 | incdec128 (void) | |
130 | { | |
131 | int ival; | |
ef859c9d | 132 | decimal128 a(11), b, c; |
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133 | |
134 | // Verify that we get the expected value of b after assignment. | |
135 | b = a; | |
136 | ival = LONGLONG (b); VERIFY (ival == 11); | |
137 | ||
138 | // Check that the increment and decrement operators change the value | |
139 | // of the original class. | |
140 | b = a; | |
141 | b.operator++(); | |
142 | ival = LONGLONG (b); VERIFY (ival == 12); | |
143 | ||
144 | b = a; | |
145 | b.operator++(1); | |
146 | ival = LONGLONG (b); VERIFY (ival == 12); | |
147 | ||
148 | b = a; | |
149 | b.operator--(); | |
150 | ival = LONGLONG (b); VERIFY (ival == 10); | |
151 | ||
152 | b = a; | |
153 | b.operator--(1); | |
154 | ival = LONGLONG (b); VERIFY (ival == 10); | |
155 | ||
156 | // Check that the increment and decrement operators return the | |
157 | // correct value. | |
158 | b = a; | |
159 | c = b.operator++(); | |
160 | ival = LONGLONG (c); VERIFY (ival == 12); | |
161 | ||
162 | b = a; | |
163 | c = b.operator++(1); | |
164 | ival = LONGLONG (c); VERIFY (ival == 11); | |
165 | ||
166 | b = a; | |
167 | c = b.operator--(); | |
168 | ival = LONGLONG (c); VERIFY (ival == 10); | |
169 | ||
170 | b = a; | |
171 | c = b.operator--(1); | |
172 | ival = LONGLONG (c); VERIFY (ival == 11); | |
173 | } | |
174 | ||
175 | int | |
176 | main () | |
177 | { | |
178 | incdec32 (); | |
179 | incdec64 (); | |
180 | incdec128 (); | |
181 | } |