Missed off <ctype.h>\!
[u/mdw/catacomb] / mpint.c
CommitLineData
70b904c5 1/* -*-c-*-
2 *
22bab86c 3 * $Id: mpint.c,v 1.3 2000/10/08 12:11:22 mdw Exp $
70b904c5 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 $
22bab86c 33 * Revision 1.3 2000/10/08 12:11:22 mdw
34 * Use @MP_EQ@ instead of @MP_CMP@.
35 *
92c2a290 36 * Revision 1.2 1999/12/10 23:22:53 mdw
37 * Support for uint32.
38 *
70b904c5 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
58FROM(short, short)
59FROM(ushort, unsigned short)
60FROM(int, int)
61FROM(uint, unsigned)
92c2a290 62FROM(uint32, uint32)
70b904c5 63FROM(long, long)
64FROM(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
78TO(short, short, SHRT_MAX)
79TO(ushort, unsigned short, USHRT_MAX)
80TO(int, int, INT_MAX)
81TO(uint, unsigned, UINT_MAX)
92c2a290 82TO(uint32, uint32, 0xffffffff)
70b904c5 83TO(long, long, LONG_MAX)
84TO(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
94static int fromuint(dstr *v)
95{
92c2a290 96 unsigned long i = *(unsigned long *)v[0].buf;
70b904c5 97 mp *m = *(mp **)v[1].buf;
98 mp *d = mp_fromuint(MP_NEW, i);
99 int ok = 1;
100
22bab86c 101 if (!MP_EQ(d, m)) {
70b904c5 102 fputs("\n*** fromint failed.\n", stderr);
92c2a290 103 fprintf(stderr, "i = %lu", i);
70b904c5 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);
92c2a290 112 assert(mparena_count(MPARENA_GLOBAL) == 0);
70b904c5 113 return (ok);
114}
115
116static int fromint(dstr *v)
117{
92c2a290 118 long i = *(long *)v[0].buf;
70b904c5 119 mp *m = *(mp **)v[1].buf;
120 mp *d = mp_fromint(MP_NEW, i);
121 int ok = 1;
122
22bab86c 123 if (!MP_EQ(d, m)) {
70b904c5 124 fputs("\n*** fromint failed.\n", stderr);
92c2a290 125 fprintf(stderr, "i = %li", i);
70b904c5 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);
92c2a290 134 assert(mparena_count(MPARENA_GLOBAL) == 0);
70b904c5 135 return (ok);
136}
137
138static int touint(dstr *v)
139{
140 mp *m = *(mp **)v[0].buf;
92c2a290 141 unsigned long i = *(unsigned long *)v[1].buf;
70b904c5 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);
92c2a290 148 fprintf(stderr, "\nexpect = %lu; result = %u\n", i, j);
70b904c5 149 ok = 0;
150 }
151
152 mp_drop(m);
92c2a290 153 assert(mparena_count(MPARENA_GLOBAL) == 0);
70b904c5 154 return (ok);
155}
156
157static int toint(dstr *v)
158{
159 mp *m = *(mp **)v[0].buf;
92c2a290 160 long i = *(long *)v[1].buf;
70b904c5 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);
92c2a290 167 fprintf(stderr, "\nexpect = %li; result = %i\n", i, j);
70b904c5 168 ok = 0;
169 }
170
171 mp_drop(m);
92c2a290 172 assert(mparena_count(MPARENA_GLOBAL) == 0);
70b904c5 173 return (ok);
174}
175
176static test_chunk tests[] = {
92c2a290 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 } },
70b904c5 181 { 0, 0, { 0 } }
182};
183
184int 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 -------------------------------------------------*/