3 * $Id: mpint.c,v 1.4 2004/04/08 01:36:15 mdw Exp $
5 * Conversion between MPs and standard C integers
7 * (c) 1999 Straylight/Edgeware
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of Catacomb.
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.
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.
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,
30 /*----- Header files ------------------------------------------------------*/
34 /*----- Main code ---------------------------------------------------------*/
36 /* --- Conversion from C integers --- */
38 #define FROM(name, type) \
39 mp *mp_from##name(mp *d, type i) { \
40 MP_FROMINT(d, type, i); \
45 FROM(ushort, unsigned short)
50 FROM(ulong, unsigned long)
54 /* --- Conversion to C integers --- */
56 #define TO(name, type, max) \
57 type mp_to##name(const mp *m) \
60 MP_TOINT(m, type, max, i); \
64 TO(short, short, SHRT_MAX)
65 TO(ushort, unsigned short, USHRT_MAX)
67 TO(uint, unsigned, UINT_MAX)
68 TO(uint32, uint32, 0xffffffff)
69 TO(long, long, LONG_MAX)
70 TO(ulong, unsigned long, ULONG_MAX)
74 /*----- Test rig ----------------------------------------------------------*/
78 #include <mLib/testrig.h>
80 static int fromuint(dstr *v)
82 unsigned long i = *(unsigned long *)v[0].buf;
83 mp *m = *(mp **)v[1].buf;
84 mp *d = mp_fromuint(MP_NEW, i);
88 fputs("\n*** fromint failed.\n", stderr);
89 fprintf(stderr, "i = %lu", i);
90 fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10);
91 fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10);
98 assert(mparena_count(MPARENA_GLOBAL) == 0);
102 static int fromint(dstr *v)
104 long i = *(long *)v[0].buf;
105 mp *m = *(mp **)v[1].buf;
106 mp *d = mp_fromint(MP_NEW, i);
110 fputs("\n*** fromint failed.\n", stderr);
111 fprintf(stderr, "i = %li", i);
112 fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10);
113 fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10);
120 assert(mparena_count(MPARENA_GLOBAL) == 0);
124 static int touint(dstr *v)
126 mp *m = *(mp **)v[0].buf;
127 unsigned long i = *(unsigned long *)v[1].buf;
128 unsigned j = mp_touint(m);
132 fputs("\n*** touint failed.\n", stderr);
133 fputs("m = ", stderr); mp_writefile(m, stderr, 10);
134 fprintf(stderr, "\nexpect = %lu; result = %u\n", i, j);
139 assert(mparena_count(MPARENA_GLOBAL) == 0);
143 static int toint(dstr *v)
145 mp *m = *(mp **)v[0].buf;
146 long i = *(long *)v[1].buf;
151 fputs("\n*** toint failed.\n", stderr);
152 fputs("m = ", stderr); mp_writefile(m, stderr, 10);
153 fprintf(stderr, "\nexpect = %li; result = %i\n", i, j);
158 assert(mparena_count(MPARENA_GLOBAL) == 0);
162 static test_chunk tests[] = {
163 { "fromuint", fromuint, { &type_ulong, &type_mp, 0 } },
164 { "fromint", fromint, { &type_long, &type_mp, 0 } },
165 { "touint", touint, { &type_mp, &type_ulong, 0 } },
166 { "toint", toint, { &type_mp, &type_long, 0 } },
170 int main(int argc, char *argv[])
173 test_run(argc, argv, tests, SRCDIR "/tests/mpint");
179 /*----- That's all, folks -------------------------------------------------*/