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1 | /* -*-c-*- |
2 | * |
22bab86c |
3 | * $Id: mpint.c,v 1.3 2000/10/08 12:11:22 mdw Exp $ |
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4 | * |
5 | * Conversion between MPs and standard C integers |
6 | * |
7 | * (c) 1999 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
14 | * Catacomb is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
18 | * |
19 | * Catacomb is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU Library General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: mpint.c,v $ |
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33 | * Revision 1.3 2000/10/08 12:11:22 mdw |
34 | * Use @MP_EQ@ instead of @MP_CMP@. |
35 | * |
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36 | * Revision 1.2 1999/12/10 23:22:53 mdw |
37 | * Support for uint32. |
38 | * |
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39 | * Revision 1.1 1999/11/25 11:38:31 mdw |
40 | * Support for conversions between MPs and C integers. |
41 | * |
42 | */ |
43 | |
44 | /*----- Header files ------------------------------------------------------*/ |
45 | |
46 | #include "mpint.h" |
47 | |
48 | /*----- Main code ---------------------------------------------------------*/ |
49 | |
50 | /* --- Conversion from C integers --- */ |
51 | |
52 | #define FROM(name, type) \ |
53 | mp *mp_from##name(mp *d, type i) { \ |
54 | MP_FROMINT(d, type, i); \ |
55 | return (d); \ |
56 | } |
57 | |
58 | FROM(short, short) |
59 | FROM(ushort, unsigned short) |
60 | FROM(int, int) |
61 | FROM(uint, unsigned) |
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62 | FROM(uint32, uint32) |
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63 | FROM(long, long) |
64 | FROM(ulong, unsigned long) |
65 | |
66 | #undef FROM |
67 | |
68 | /* --- Conversion to C integers --- */ |
69 | |
70 | #define TO(name, type, max) \ |
71 | type mp_to##name(const mp *m) \ |
72 | { \ |
73 | type i; \ |
74 | MP_TOINT(m, type, max, i); \ |
75 | return (i); \ |
76 | } |
77 | |
78 | TO(short, short, SHRT_MAX) |
79 | TO(ushort, unsigned short, USHRT_MAX) |
80 | TO(int, int, INT_MAX) |
81 | TO(uint, unsigned, UINT_MAX) |
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82 | TO(uint32, uint32, 0xffffffff) |
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83 | TO(long, long, LONG_MAX) |
84 | TO(ulong, unsigned long, ULONG_MAX) |
85 | |
86 | #undef TO |
87 | |
88 | /*----- Test rig ----------------------------------------------------------*/ |
89 | |
90 | #ifdef TEST_RIG |
91 | |
92 | #include <mLib/testrig.h> |
93 | |
94 | static int fromuint(dstr *v) |
95 | { |
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96 | unsigned long i = *(unsigned long *)v[0].buf; |
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97 | mp *m = *(mp **)v[1].buf; |
98 | mp *d = mp_fromuint(MP_NEW, i); |
99 | int ok = 1; |
100 | |
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101 | if (!MP_EQ(d, m)) { |
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102 | fputs("\n*** fromint failed.\n", stderr); |
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103 | fprintf(stderr, "i = %lu", i); |
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104 | fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10); |
105 | fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10); |
106 | fputc('\n', stderr); |
107 | ok = 0; |
108 | } |
109 | |
110 | mp_drop(m); |
111 | mp_drop(d); |
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112 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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113 | return (ok); |
114 | } |
115 | |
116 | static int fromint(dstr *v) |
117 | { |
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118 | long i = *(long *)v[0].buf; |
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119 | mp *m = *(mp **)v[1].buf; |
120 | mp *d = mp_fromint(MP_NEW, i); |
121 | int ok = 1; |
122 | |
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123 | if (!MP_EQ(d, m)) { |
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124 | fputs("\n*** fromint failed.\n", stderr); |
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125 | fprintf(stderr, "i = %li", i); |
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126 | fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10); |
127 | fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10); |
128 | fputc('\n', stderr); |
129 | ok = 0; |
130 | } |
131 | |
132 | mp_drop(m); |
133 | mp_drop(d); |
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134 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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135 | return (ok); |
136 | } |
137 | |
138 | static int touint(dstr *v) |
139 | { |
140 | mp *m = *(mp **)v[0].buf; |
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141 | unsigned long i = *(unsigned long *)v[1].buf; |
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142 | unsigned j = mp_touint(m); |
143 | int ok = 1; |
144 | |
145 | if (i != j) { |
146 | fputs("\n*** touint failed.\n", stderr); |
147 | fputs("m = ", stderr); mp_writefile(m, stderr, 10); |
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148 | fprintf(stderr, "\nexpect = %lu; result = %u\n", i, j); |
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149 | ok = 0; |
150 | } |
151 | |
152 | mp_drop(m); |
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153 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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154 | return (ok); |
155 | } |
156 | |
157 | static int toint(dstr *v) |
158 | { |
159 | mp *m = *(mp **)v[0].buf; |
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160 | long i = *(long *)v[1].buf; |
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161 | int j = mp_toint(m); |
162 | int ok = 1; |
163 | |
164 | if (i != j) { |
165 | fputs("\n*** toint failed.\n", stderr); |
166 | fputs("m = ", stderr); mp_writefile(m, stderr, 10); |
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167 | fprintf(stderr, "\nexpect = %li; result = %i\n", i, j); |
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168 | ok = 0; |
169 | } |
170 | |
171 | mp_drop(m); |
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172 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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173 | return (ok); |
174 | } |
175 | |
176 | static test_chunk tests[] = { |
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177 | { "fromuint", fromuint, { &type_ulong, &type_mp, 0 } }, |
178 | { "fromint", fromint, { &type_long, &type_mp, 0 } }, |
179 | { "touint", touint, { &type_mp, &type_ulong, 0 } }, |
180 | { "toint", toint, { &type_mp, &type_long, 0 } }, |
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181 | { 0, 0, { 0 } } |
182 | }; |
183 | |
184 | int main(int argc, char *argv[]) |
185 | { |
186 | sub_init(); |
187 | test_run(argc, argv, tests, SRCDIR "/tests/mpint"); |
188 | return (0); |
189 | } |
190 | |
191 | #endif |
192 | |
193 | /*----- That's all, folks -------------------------------------------------*/ |