3 * $Id: mpint.c,v 1.1 1999/11/25 11:38:31 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 /*----- Revision history --------------------------------------------------*
33 * Revision 1.1 1999/11/25 11:38:31 mdw
34 * Support for conversions between MPs and C integers.
38 /*----- Header files ------------------------------------------------------*/
42 /*----- Main code ---------------------------------------------------------*/
44 /* --- Conversion from C integers --- */
46 #define FROM(name, type) \
47 mp *mp_from##name(mp *d, type i) { \
48 MP_FROMINT(d, type, i); \
53 FROM(ushort
, unsigned short)
57 FROM(ulong
, unsigned long)
61 /* --- Conversion to C integers --- */
63 #define TO(name, type, max) \
64 type mp_to##name(const mp *m) \
67 MP_TOINT(m, type, max, i); \
71 TO(short, short, SHRT_MAX
)
72 TO(ushort
, unsigned short, USHRT_MAX
)
74 TO(uint
, unsigned, UINT_MAX
)
75 TO(long, long, LONG_MAX
)
76 TO(ulong
, unsigned long, ULONG_MAX
)
80 /*----- Test rig ----------------------------------------------------------*/
84 #include <mLib/testrig.h>
86 static int fromuint(dstr
*v
)
88 unsigned i
= *(unsigned *)v
[0].buf
;
89 mp
*m
= *(mp
**)v
[1].buf
;
90 mp
*d
= mp_fromuint(MP_NEW
, i
);
93 if (MP_CMP(d
, !=, m
)) {
94 fputs("\n*** fromint failed.\n", stderr
);
95 fprintf(stderr
, "i = %u", i
);
96 fputs("\nexpect = ", stderr
); mp_writefile(m
, stderr
, 10);
97 fputs("\nresult = ", stderr
); mp_writefile(d
, stderr
, 10);
107 static int fromint(dstr
*v
)
109 int i
= *(int *)v
[0].buf
;
110 mp
*m
= *(mp
**)v
[1].buf
;
111 mp
*d
= mp_fromint(MP_NEW
, i
);
114 if (MP_CMP(d
, !=, m
)) {
115 fputs("\n*** fromint failed.\n", stderr
);
116 fprintf(stderr
, "i = %i", i
);
117 fputs("\nexpect = ", stderr
); mp_writefile(m
, stderr
, 10);
118 fputs("\nresult = ", stderr
); mp_writefile(d
, stderr
, 10);
128 static int touint(dstr
*v
)
130 mp
*m
= *(mp
**)v
[0].buf
;
131 unsigned i
= *(unsigned *)v
[1].buf
;
132 unsigned j
= mp_touint(m
);
136 fputs("\n*** touint failed.\n", stderr
);
137 fputs("m = ", stderr
); mp_writefile(m
, stderr
, 10);
138 fprintf(stderr
, "\nexpect = %u; result = %u\n", i
, j
);
146 static int toint(dstr
*v
)
148 mp
*m
= *(mp
**)v
[0].buf
;
149 int i
= *(int *)v
[1].buf
;
154 fputs("\n*** toint failed.\n", stderr
);
155 fputs("m = ", stderr
); mp_writefile(m
, stderr
, 10);
156 fprintf(stderr
, "\nexpect = %i; result = %i\n", i
, j
);
164 static test_chunk tests
[] = {
165 { "fromuint", fromuint
, { &type_int
, &type_mp
, 0 } },
166 { "fromint", fromint
, { &type_int
, &type_mp
, 0 } },
167 { "touint", touint
, { &type_mp
, &type_int
, 0 } },
168 { "toint", toint
, { &type_mp
, &type_int
, 0 } },
172 int main(int argc
, char *argv
[])
175 test_run(argc
, argv
, tests
, SRCDIR
"/tests/mpint");
181 /*----- That's all, folks -------------------------------------------------*/