3 * Conversion between MPs and standard C integers
5 * (c) 1999 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
10 * This file is part of Catacomb.
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.
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.
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,
28 /*----- Header files ------------------------------------------------------*/
32 /*----- Main code ---------------------------------------------------------*/
34 /* --- Conversion from C integers --- */
36 #define FROM(name, type, max) \
37 mp *mp_from##name(mp *d, type i) { \
38 MP_FROMINT(d, type, i); \
41 MPINT_CONVERSIONS(FROM)
43 /* --- Conversion to C integers --- */
45 #define TO(name, type, max) \
46 type mp_to##name(const mp *m) \
49 MP_TOINT(m, type, max, i); \
56 /*----- Test rig ----------------------------------------------------------*/
60 #include <mLib/testrig.h>
62 static int fromuint(dstr *v)
64 unsigned long i = *(unsigned long *)v[0].buf;
65 mp *m = *(mp **)v[1].buf;
66 mp *d = mp_fromuint(MP_NEW, i);
70 fputs("\n*** fromint failed.\n", stderr);
71 fprintf(stderr, "i = %lu", i);
72 fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10);
73 fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10);
80 assert(mparena_count(MPARENA_GLOBAL) == 0);
84 static int fromint(dstr *v)
86 long i = *(long *)v[0].buf;
87 mp *m = *(mp **)v[1].buf;
88 mp *d = mp_fromint(MP_NEW, i);
92 fputs("\n*** fromint failed.\n", stderr);
93 fprintf(stderr, "i = %li", i);
94 fputs("\nexpect = ", stderr); mp_writefile(m, stderr, 10);
95 fputs("\nresult = ", stderr); mp_writefile(d, stderr, 10);
102 assert(mparena_count(MPARENA_GLOBAL) == 0);
106 static int touint(dstr *v)
108 mp *m = *(mp **)v[0].buf;
109 unsigned long i = *(unsigned long *)v[1].buf;
110 unsigned j = mp_touint(m);
113 if ((unsigned)i != j) {
114 fputs("\n*** touint failed.\n", stderr);
115 fputs("m = ", stderr); mp_writefile(m, stderr, 10);
116 fprintf(stderr, "\nexpect = %lu; result = %u\n", i, j);
121 assert(mparena_count(MPARENA_GLOBAL) == 0);
125 static int toint(dstr *v)
127 mp *m = *(mp **)v[0].buf;
128 long i = *(long *)v[1].buf;
133 fputs("\n*** toint failed.\n", stderr);
134 fputs("m = ", stderr); mp_writefile(m, stderr, 10);
135 fprintf(stderr, "\nexpect = %li; result = %i\n", i, j);
140 assert(mparena_count(MPARENA_GLOBAL) == 0);
144 static test_chunk tests[] = {
145 { "fromuint", fromuint, { &type_ulong, &type_mp, 0 } },
146 { "fromint", fromint, { &type_long, &type_mp, 0 } },
147 { "touint", touint, { &type_mp, &type_ulong, 0 } },
148 { "toint", toint, { &type_mp, &type_long, 0 } },
152 int main(int argc, char *argv[])
155 test_run(argc, argv, tests, SRCDIR "/t/mpint");
161 /*----- That's all, folks -------------------------------------------------*/