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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: mpint.c,v 1.2 1999/12/10 23:22:53 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 1.2 1999/12/10 23:22:53 mdw |
34 | * Support for uint32. |
35 | * |
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36 | * Revision 1.1 1999/11/25 11:38:31 mdw |
37 | * Support for conversions between MPs and C integers. |
38 | * |
39 | */ |
40 | |
41 | /*----- Header files ------------------------------------------------------*/ |
42 | |
43 | #include "mpint.h" |
44 | |
45 | /*----- Main code ---------------------------------------------------------*/ |
46 | |
47 | /* --- Conversion from C integers --- */ |
48 | |
49 | #define FROM(name, type) \ |
50 | mp *mp_from##name(mp *d, type i) { \ |
51 | MP_FROMINT(d, type, i); \ |
52 | return (d); \ |
53 | } |
54 | |
55 | FROM(short, short) |
56 | FROM(ushort, unsigned short) |
57 | FROM(int, int) |
58 | FROM(uint, unsigned) |
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59 | FROM(uint32, uint32) |
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60 | FROM(long, long) |
61 | FROM(ulong, unsigned long) |
62 | |
63 | #undef FROM |
64 | |
65 | /* --- Conversion to C integers --- */ |
66 | |
67 | #define TO(name, type, max) \ |
68 | type mp_to##name(const mp *m) \ |
69 | { \ |
70 | type i; \ |
71 | MP_TOINT(m, type, max, i); \ |
72 | return (i); \ |
73 | } |
74 | |
75 | TO(short, short, SHRT_MAX) |
76 | TO(ushort, unsigned short, USHRT_MAX) |
77 | TO(int, int, INT_MAX) |
78 | TO(uint, unsigned, UINT_MAX) |
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79 | TO(uint32, uint32, 0xffffffff) |
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80 | TO(long, long, LONG_MAX) |
81 | TO(ulong, unsigned long, ULONG_MAX) |
82 | |
83 | #undef TO |
84 | |
85 | /*----- Test rig ----------------------------------------------------------*/ |
86 | |
87 | #ifdef TEST_RIG |
88 | |
89 | #include <mLib/testrig.h> |
90 | |
91 | static int fromuint(dstr *v) |
92 | { |
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93 | unsigned long i = *(unsigned long *)v[0].buf; |
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94 | mp *m = *(mp **)v[1].buf; |
95 | mp *d = mp_fromuint(MP_NEW, i); |
96 | int ok = 1; |
97 | |
98 | if (MP_CMP(d, !=, m)) { |
99 | fputs("\n*** fromint failed.\n", stderr); |
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100 | fprintf(stderr, "i = %lu", i); |
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101 | fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10); |
102 | fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10); |
103 | fputc('\n', stderr); |
104 | ok = 0; |
105 | } |
106 | |
107 | mp_drop(m); |
108 | mp_drop(d); |
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109 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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110 | return (ok); |
111 | } |
112 | |
113 | static int fromint(dstr *v) |
114 | { |
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115 | long i = *(long *)v[0].buf; |
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116 | mp *m = *(mp **)v[1].buf; |
117 | mp *d = mp_fromint(MP_NEW, i); |
118 | int ok = 1; |
119 | |
120 | if (MP_CMP(d, !=, m)) { |
121 | fputs("\n*** fromint failed.\n", stderr); |
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122 | fprintf(stderr, "i = %li", i); |
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123 | fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10); |
124 | fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10); |
125 | fputc('\n', stderr); |
126 | ok = 0; |
127 | } |
128 | |
129 | mp_drop(m); |
130 | mp_drop(d); |
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131 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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132 | return (ok); |
133 | } |
134 | |
135 | static int touint(dstr *v) |
136 | { |
137 | mp *m = *(mp **)v[0].buf; |
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138 | unsigned long i = *(unsigned long *)v[1].buf; |
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139 | unsigned j = mp_touint(m); |
140 | int ok = 1; |
141 | |
142 | if (i != j) { |
143 | fputs("\n*** touint failed.\n", stderr); |
144 | fputs("m = ", stderr); mp_writefile(m, stderr, 10); |
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145 | fprintf(stderr, "\nexpect = %lu; result = %u\n", i, j); |
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146 | ok = 0; |
147 | } |
148 | |
149 | mp_drop(m); |
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150 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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151 | return (ok); |
152 | } |
153 | |
154 | static int toint(dstr *v) |
155 | { |
156 | mp *m = *(mp **)v[0].buf; |
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157 | long i = *(long *)v[1].buf; |
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158 | int j = mp_toint(m); |
159 | int ok = 1; |
160 | |
161 | if (i != j) { |
162 | fputs("\n*** toint failed.\n", stderr); |
163 | fputs("m = ", stderr); mp_writefile(m, stderr, 10); |
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164 | fprintf(stderr, "\nexpect = %li; result = %i\n", i, j); |
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165 | ok = 0; |
166 | } |
167 | |
168 | mp_drop(m); |
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169 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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170 | return (ok); |
171 | } |
172 | |
173 | static test_chunk tests[] = { |
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174 | { "fromuint", fromuint, { &type_ulong, &type_mp, 0 } }, |
175 | { "fromint", fromint, { &type_long, &type_mp, 0 } }, |
176 | { "touint", touint, { &type_mp, &type_ulong, 0 } }, |
177 | { "toint", toint, { &type_mp, &type_long, 0 } }, |
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178 | { 0, 0, { 0 } } |
179 | }; |
180 | |
181 | int main(int argc, char *argv[]) |
182 | { |
183 | sub_init(); |
184 | test_run(argc, argv, tests, SRCDIR "/tests/mpint"); |
185 | return (0); |
186 | } |
187 | |
188 | #endif |
189 | |
190 | /*----- That's all, folks -------------------------------------------------*/ |