OLD | NEW |
| (Empty) |
1 /* Test MPN_INCR_U and MPN_DECR_U. | |
2 | |
3 Copyright 2001, 2002 Free Software Foundation, Inc. | |
4 | |
5 This file is part of the GNU MP Library. | |
6 | |
7 The GNU MP Library is free software; you can redistribute it and/or modify | |
8 it under the terms of the GNU Lesser General Public License as published by | |
9 the Free Software Foundation; either version 3 of the License, or (at your | |
10 option) any later version. | |
11 | |
12 The GNU MP Library is distributed in the hope that it will be useful, but | |
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | |
15 License for more details. | |
16 | |
17 You should have received a copy of the GNU Lesser General Public License | |
18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ | |
19 | |
20 #include <stdio.h> | |
21 #include <stdlib.h> | |
22 | |
23 #include "gmp.h" | |
24 #include "gmp-impl.h" | |
25 #include "tests.h" | |
26 | |
27 | |
28 /* The i386 MPN_INCR_U and MPN_DECR_U have special cases for "n" being a | |
29 compile-time constant 1, so that's exercised explicitly. */ | |
30 | |
31 | |
32 #define M GMP_NUMB_MAX | |
33 #define SIZE ((mp_size_t) 10) | |
34 | |
35 | |
36 void | |
37 check_one (const char *name, int i, | |
38 mp_srcptr src, mp_limb_t n, | |
39 mp_srcptr got, mp_srcptr want, mp_size_t size) | |
40 { | |
41 if (! refmpn_equal_anynail (got, want, size)) | |
42 { | |
43 printf ("Wrong at %s i=%d\n", name, i); | |
44 mpn_trace (" src", src, size); | |
45 mpn_trace (" n", &n, (mp_size_t) 1); | |
46 mpn_trace (" got", got, size); | |
47 mpn_trace (" want", want, size); | |
48 abort (); | |
49 } | |
50 } | |
51 | |
52 | |
53 void | |
54 check_incr_data (void) | |
55 { | |
56 static const struct { | |
57 mp_limb_t n; | |
58 const mp_limb_t src[SIZE]; | |
59 const mp_limb_t want[SIZE]; | |
60 } data[] = { | |
61 { 1, { 0 }, { 1 } }, | |
62 { 1, { 123 }, { 124 } }, | |
63 { 2, { 0 }, { 2 } }, | |
64 { 2, { 123 }, { 125 } }, | |
65 { M, { 0 }, { M } }, | |
66 | |
67 { 1, { M, 0 }, { 0, 1 } }, | |
68 { 1, { M, 123 }, { 0, 124 } }, | |
69 { 2, { M, 0 }, { 1, 1 } }, | |
70 { 2, { M, 123 }, { 1, 124 } }, | |
71 { M, { M, 0 }, { M-1, 1 } }, | |
72 { M, { M, 123 }, { M-1, 124 } }, | |
73 | |
74 { 1, { M, M, 0 }, { 0, 0, 1 } }, | |
75 { 1, { M, M, 123 }, { 0, 0, 124 } }, | |
76 { 2, { M, M, 0 }, { 1, 0, 1 } }, | |
77 { 2, { M, M, 123 }, { 1, 0, 124 } }, | |
78 { M, { M, M, 0 }, { M-1, 0, 1 } }, | |
79 { M, { M, M, 123 }, { M-1, 0, 124 } }, | |
80 | |
81 { 1, { M, M, M, 0 }, { 0, 0, 0, 1 } }, | |
82 { 1, { M, M, M, 123 }, { 0, 0, 0, 124 } }, | |
83 { 2, { M, M, M, 0 }, { 1, 0, 0, 1 } }, | |
84 { 2, { M, M, M, 123 }, { 1, 0, 0, 124 } }, | |
85 { M, { M, M, M, 0 }, { M-1, 0, 0, 1 } }, | |
86 { M, { M, M, M, 123 }, { M-1, 0, 0, 124 } }, | |
87 | |
88 { 1, { M, M, M, M, 0 }, { 0, 0, 0, 0, 1 } }, | |
89 { 1, { M, M, M, M, 123 }, { 0, 0, 0, 0, 124 } }, | |
90 { 2, { M, M, M, M, 0 }, { 1, 0, 0, 0, 1 } }, | |
91 { 2, { M, M, M, M, 123 }, { 1, 0, 0, 0, 124 } }, | |
92 { M, { M, M, M, M, 0 }, { M-1, 0, 0, 0, 1 } }, | |
93 { M, { M, M, M, M, 123 }, { M-1, 0, 0, 0, 124 | |
94 #if defined (__hpux) && ! defined (__GNUC__) | |
95 /* Some versions (at least HP92453-01 B.11.11.23709.GP) of the | |
96 HP C compilers fail to zero-fill aggregates as the ISO C standard | |
97 requires (cf 6.5.7 Initialization). Compensate here: */ | |
98 , 0, 0, 0, 0, 0 | |
99 #endif | |
100 } } | |
101 }; | |
102 | |
103 mp_limb_t got[SIZE]; | |
104 int i; | |
105 | |
106 for (i = 0; i < numberof (data); i++) | |
107 { | |
108 refmpn_copyi (got, data[i].src, SIZE); | |
109 MPN_INCR_U (got, SIZE, data[i].n); | |
110 check_one ("check_incr (general)", i, | |
111 data[i].src, data[i].n, | |
112 got, data[i].want, SIZE); | |
113 | |
114 if (data[i].n == 1) | |
115 { | |
116 refmpn_copyi (got, data[i].src, SIZE); | |
117 MPN_INCR_U (got, SIZE, CNST_LIMB(1)); | |
118 check_one ("check_incr (const 1)", i, | |
119 data[i].src, data[i].n, | |
120 got, data[i].want, SIZE); | |
121 } | |
122 } | |
123 } | |
124 | |
125 void | |
126 check_decr_data (void) | |
127 { | |
128 static const struct { | |
129 mp_limb_t n; | |
130 const mp_limb_t src[SIZE]; | |
131 const mp_limb_t want[SIZE]; | |
132 } data[] = { | |
133 { 1, { 1 }, { 0 } }, | |
134 { 1, { 123 }, { 122 } }, | |
135 { 1, { M }, { M-1 } }, | |
136 { 2, { 2 }, { 0 } }, | |
137 { 2, { 123 }, { 121 } }, | |
138 { M, { M }, { 0 } }, | |
139 { M-1, { M }, { 1 } }, | |
140 | |
141 { 1, { 0, 1 }, { M, 0 } }, | |
142 { 1, { 0, 123 }, { M, 122 } }, | |
143 { 1, { 0, M }, { M, M-1 } }, | |
144 { 2, { 0, 123 }, { M-1, 122 } }, | |
145 { 2, { 1, 123 }, { M, 122 } }, | |
146 { M, { 0, 123 }, { 1, 122 } }, | |
147 { M, { M-1, M }, { M, M-1 } }, | |
148 | |
149 { 1, { 0, 0, 1 }, { M, M, 0 } }, | |
150 { 1, { 0, 0, 123 }, { M, M, 122 } }, | |
151 { 1, { 0, 0, M }, { M, M, M-1 } }, | |
152 { 2, { 0, 0, 123 }, { M-1, M, 122 } }, | |
153 { 2, { 1, 0, 123 }, { M, M, 122 } }, | |
154 { M, { 0, 0, 123 }, { 1, M, 122 } }, | |
155 { M, { M-1, 0, M }, { M, M, M-1 } }, | |
156 | |
157 { 1, { 0, 0, 0, 1 }, { M, M, M, 0 } }, | |
158 { 1, { 0, 0, 0, 123 }, { M, M, M, 122 } }, | |
159 { 1, { 0, 0, 0, M }, { M, M, M, M-1 } }, | |
160 { 2, { 0, 0, 0, 123 }, { M-1, M, M, 122 } }, | |
161 { 2, { 1, 0, 0, 123 }, { M, M, M, 122 } }, | |
162 { M, { 0, 0, 0, 123 }, { 1, M, M, 122 } }, | |
163 { M, { M-1, 0, 0, M }, { M, M, M, M-1 } }, | |
164 | |
165 { 1, { 0, 0, 0, 0, 1 }, { M, M, M, M, 0 } }, | |
166 { 1, { 0, 0, 0, 0, 123 }, { M, M, M, M, 122 } }, | |
167 { 1, { 0, 0, 0, 0, M }, { M, M, M, M, M-1 } }, | |
168 { 2, { 0, 0, 0, 0, 123 }, { M-1, M, M, M, 122 } }, | |
169 { 2, { 1, 0, 0, 0, 123 }, { M, M, M, M, 122 } }, | |
170 { M, { 0, 0, 0, 0, 123 }, { 1, M, M, M, 122 } }, | |
171 { M, { M-1, 0, 0, 0, M }, { M, M, M, M, M-1 } }, | |
172 | |
173 { 1, { 0, 0, 0, 0, 0, 1 }, { M, M, M, M, M, 0 } }, | |
174 { 1, { 0, 0, 0, 0, 0, 123 }, { M, M, M, M, M, 122 } }, | |
175 { 1, { 0, 0, 0, 0, 0, M }, { M, M, M, M, M, M-1 } }, | |
176 { 2, { 0, 0, 0, 0, 0, 123 }, { M-1, M, M, M, M, 122 } }, | |
177 { 2, { 1, 0, 0, 0, 0, 123 }, { M, M, M, M, M, 122 } }, | |
178 { M, { 0, 0, 0, 0, 0, 123 }, { 1, M, M, M, M, 122 } }, | |
179 { M, { M-1, 0, 0, 0, 0, M }, { M, M, M, M, M, M-1 | |
180 #if defined (__hpux) && ! defined (__GNUC__) | |
181 /* For explanation of this garbage, see previous function. */ | |
182 , 0, 0, 0, 0 | |
183 #endif | |
184 } } | |
185 }; | |
186 | |
187 mp_limb_t got[SIZE]; | |
188 int i; | |
189 | |
190 for (i = 0; i < numberof (data); i++) | |
191 { | |
192 refmpn_copyi (got, data[i].src, SIZE); | |
193 MPN_DECR_U (got, SIZE, data[i].n); | |
194 check_one ("check_decr_data", i, | |
195 data[i].src, data[i].n, | |
196 got, data[i].want, SIZE); | |
197 | |
198 if (data[i].n == 1) | |
199 { | |
200 refmpn_copyi (got, data[i].src, SIZE); | |
201 MPN_DECR_U (got, SIZE, CNST_LIMB(1)); | |
202 check_one ("check_decr (const 1)", i, | |
203 data[i].src, data[i].n, | |
204 got, data[i].want, SIZE); | |
205 } | |
206 } | |
207 } | |
208 | |
209 | |
210 int | |
211 main (void) | |
212 { | |
213 tests_start (); | |
214 mp_trace_base = -16; | |
215 | |
216 check_incr_data (); | |
217 check_decr_data (); | |
218 | |
219 tests_end (); | |
220 exit (0); | |
221 } | |
OLD | NEW |