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1 | /* -*-c-*- |
2 | * |
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3 | * Conversion between MPs and standard C integers |
4 | * |
5 | * (c) 1999 Straylight/Edgeware |
6 | */ |
7 | |
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8 | /*----- Licensing notice --------------------------------------------------* |
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9 | * |
10 | * This file is part of Catacomb. |
11 | * |
12 | * Catacomb is free software; you can redistribute it and/or modify |
13 | * it under the terms of the GNU Library General Public License as |
14 | * published by the Free Software Foundation; either version 2 of the |
15 | * License, or (at your option) any later version. |
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16 | * |
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17 | * Catacomb is distributed in the hope that it will be useful, |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | * GNU Library General Public License for more details. |
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21 | * |
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22 | * You should have received a copy of the GNU Library General Public |
23 | * License along with Catacomb; if not, write to the Free |
24 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
25 | * MA 02111-1307, USA. |
26 | */ |
27 | |
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28 | /*----- Header files ------------------------------------------------------*/ |
29 | |
30 | #include "mpint.h" |
31 | |
32 | /*----- Main code ---------------------------------------------------------*/ |
33 | |
34 | /* --- Conversion from C integers --- */ |
35 | |
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36 | #define FROM(name, type, max) \ |
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37 | mp *mp_from##name(mp *d, type i) { \ |
38 | MP_FROMINT(d, type, i); \ |
39 | return (d); \ |
40 | } |
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41 | MPINT_CONVERSIONS(FROM) |
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42 | |
43 | /* --- Conversion to C integers --- */ |
44 | |
45 | #define TO(name, type, max) \ |
46 | type mp_to##name(const mp *m) \ |
47 | { \ |
48 | type i; \ |
49 | MP_TOINT(m, type, max, i); \ |
50 | return (i); \ |
51 | } |
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52 | MPINT_CONVERSIONS(TO) |
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53 | |
54 | #undef TO |
55 | |
56 | /*----- Test rig ----------------------------------------------------------*/ |
57 | |
58 | #ifdef TEST_RIG |
59 | |
141c1284 |
60 | #include <mLib/macros.h> |
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61 | #include <mLib/testrig.h> |
62 | |
63 | static int fromuint(dstr *v) |
64 | { |
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65 | unsigned long i = *(unsigned long *)v[0].buf; |
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66 | mp *m = *(mp **)v[1].buf; |
67 | mp *d = mp_fromuint(MP_NEW, i); |
68 | int ok = 1; |
69 | |
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70 | if (!MP_EQ(d, m)) { |
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71 | fputs("\n*** fromint failed.\n", stderr); |
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72 | fprintf(stderr, "i = %lu", i); |
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73 | fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10); |
74 | fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10); |
75 | fputc('\n', stderr); |
76 | ok = 0; |
77 | } |
78 | |
79 | mp_drop(m); |
80 | mp_drop(d); |
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81 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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82 | return (ok); |
83 | } |
84 | |
85 | static int fromint(dstr *v) |
86 | { |
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87 | long i = *(long *)v[0].buf; |
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88 | mp *m = *(mp **)v[1].buf; |
89 | mp *d = mp_fromint(MP_NEW, i); |
90 | int ok = 1; |
91 | |
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92 | if (!MP_EQ(d, m)) { |
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93 | fputs("\n*** fromint failed.\n", stderr); |
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94 | fprintf(stderr, "i = %li", i); |
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95 | fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10); |
96 | fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10); |
97 | fputc('\n', stderr); |
98 | ok = 0; |
99 | } |
100 | |
101 | mp_drop(m); |
102 | mp_drop(d); |
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103 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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104 | return (ok); |
105 | } |
106 | |
107 | static int touint(dstr *v) |
108 | { |
109 | mp *m = *(mp **)v[0].buf; |
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110 | unsigned long i = *(unsigned long *)v[1].buf; |
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111 | unsigned j = mp_touint(m); |
112 | int ok = 1; |
113 | |
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114 | if ((unsigned)i != j) { |
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115 | fputs("\n*** touint failed.\n", stderr); |
116 | fputs("m = ", stderr); mp_writefile(m, stderr, 10); |
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117 | fprintf(stderr, "\nexpect = %lu; result = %u\n", i, j); |
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118 | ok = 0; |
119 | } |
120 | |
121 | mp_drop(m); |
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122 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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123 | return (ok); |
124 | } |
125 | |
126 | static int toint(dstr *v) |
127 | { |
128 | mp *m = *(mp **)v[0].buf; |
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129 | long i = *(long *)v[1].buf; |
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130 | int j = mp_toint(m); |
131 | int ok = 1; |
132 | |
133 | if (i != j) { |
134 | fputs("\n*** toint failed.\n", stderr); |
135 | fputs("m = ", stderr); mp_writefile(m, stderr, 10); |
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136 | fprintf(stderr, "\nexpect = %li; result = %i\n", i, j); |
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137 | ok = 0; |
138 | } |
139 | |
140 | mp_drop(m); |
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141 | assert(mparena_count(MPARENA_GLOBAL) == 0); |
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142 | return (ok); |
143 | } |
144 | |
145 | static test_chunk tests[] = { |
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146 | { "fromuint", fromuint, { &type_ulong, &type_mp, 0 } }, |
147 | { "fromint", fromint, { &type_long, &type_mp, 0 } }, |
148 | { "touint", touint, { &type_mp, &type_ulong, 0 } }, |
149 | { "toint", toint, { &type_mp, &type_long, 0 } }, |
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150 | { 0, 0, { 0 } } |
151 | }; |
152 | |
153 | int main(int argc, char *argv[]) |
154 | { |
155 | sub_init(); |
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156 | test_run(argc, argv, tests, SRCDIR "/t/mpint"); |
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157 | return (0); |
158 | } |
159 | |
160 | #endif |
161 | |
162 | /*----- That's all, folks -------------------------------------------------*/ |