Annotation of OpenXM_contrib/gmp/tests/mpf/reuse.c, Revision 1.1.1.1
1.1 ohara 1: /* Test that routines allow reusing a source variable as destination.
2:
3: Copyright 1996, 2000, 2001, 2002 Free Software Foundation, Inc.
4:
5: This file is part of the GNU MP Library.
6:
7: The GNU MP Library is free software; you can redistribute it and/or modify
8: it under the terms of the GNU Lesser General Public License as published by
9: the Free Software Foundation; either version 2.1 of the License, or (at your
10: option) any later version.
11:
12: The GNU MP Library is distributed in the hope that it will be useful, but
13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15: License for more details.
16:
17: You should have received a copy of the GNU Lesser General Public License
18: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20: MA 02111-1307, USA. */
21:
22: #include <stdio.h>
23: #include <stdlib.h>
24: #include <string.h>
25:
26: #include "gmp.h"
27: #include "gmp-impl.h"
28: #include "tests.h"
29:
30: #if __GMP_LIBGMP_DLL
31:
32: /* FIXME: When linking to a DLL libgmp, mpf_add etc can't be used as
33: initializers for global variables because they're effectively global
34: variables (function pointers) themselves. Perhaps calling a test
35: function successively with mpf_add etc would be better. */
36:
37: int
38: main (void)
39: {
40: printf ("Test suppressed for windows DLL\n");
41: exit (0);
42: }
43:
44:
45: #else /* ! DLL_EXPORT */
46:
47: #ifndef SIZE
48: #define SIZE 16
49: #endif
50:
51: #ifndef EXPO
52: #define EXPO 32
53: #endif
54:
55: void dump_abort _PROTO ((char *name, mpf_t res1, mpf_t res2));
56:
57: typedef void (*dss_func) _PROTO ((mpf_ptr, mpf_srcptr, mpf_srcptr));
58:
59: dss_func dss_funcs[] =
60: {
61: mpf_div, mpf_add, mpf_mul, mpf_sub,
62: };
63:
64: char *dss_func_names[] =
65: {
66: "mpf_div", "mpf_add", "mpf_mul", "mpf_sub",
67: };
68:
69: typedef void (*dsi_func) _PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
70:
71: dsi_func dsi_funcs[] =
72: {
73: mpf_div_ui, mpf_add_ui, mpf_mul_ui, mpf_sub_ui,
74: mpf_mul_2exp, mpf_div_2exp
75: };
76:
77: char *dsi_func_names[] =
78: {
79: "mpf_div_ui", "mpf_add_ui", "mpf_mul_ui", "mpf_sub_ui",
80: "mpf_mul_2exp", "mpf_div_2exp"
81: };
82:
83: typedef void (*dis_func) _PROTO ((mpf_ptr, unsigned long int, mpf_srcptr));
84:
85: dis_func dis_funcs[] =
86: {
87: mpf_ui_div, mpf_ui_sub,
88: };
89:
90: char *dis_func_names[] =
91: {
92: "mpf_ui_div", "mpf_ui_sub",
93: };
94:
95: int
96: main (int argc, char **argv)
97: {
98: int i;
99: int pass, reps = 10000;
100: mpf_t in1, in2, out1;
101: unsigned long int in1i, in2i;
102: mpf_t res1, res2, res3;
103: mp_size_t bprec = 100;
104:
105: tests_start ();
106:
107: if (argc > 1)
108: {
109: reps = strtol (argv[1], 0, 0);
110: if (argc > 2)
111: bprec = strtol (argv[2], 0, 0);
112: }
113:
114: mpf_set_default_prec (bprec);
115:
116: mpf_init (in1);
117: mpf_init (in2);
118: mpf_init (out1);
119: mpf_init (res1);
120: mpf_init (res2);
121: mpf_init (res3);
122:
123: for (pass = 1; pass <= reps; pass++)
124: {
125: mpf_random2 (in1, urandom () % SIZE - SIZE/2, urandom () % EXPO);
126: mpf_random2 (in2, urandom () % SIZE - SIZE/2, urandom () % EXPO);
127:
128: for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++)
129: {
130: /* Don't divide by 0. */
131: if (i == 0 && mpf_cmp_ui (in2, 0) == 0)
132: continue;
133:
134: (dss_funcs[i]) (res1, in1, in2);
135:
136: mpf_set (out1, in1);
137: (dss_funcs[i]) (out1, out1, in2);
138: mpf_set (res2, out1);
139:
140: mpf_set (out1, in2);
141: (dss_funcs[i]) (out1, in1, out1);
142: mpf_set (res3, out1);
143:
144: if (mpf_cmp (res1, res2) != 0)
145: dump_abort (dss_func_names[i], res1, res2);
146: if (mpf_cmp (res1, res3) != 0)
147: dump_abort (dss_func_names[i], res1, res3);
148: }
149:
150: in2i = urandom ();
151: for (i = 0; i < sizeof (dsi_funcs) / sizeof (dsi_func); i++)
152: {
153: /* Don't divide by 0. */
154: if (strcmp (dsi_func_names[i], "mpf_div_ui") == 0 && in2i == 0)
155: continue;
156:
157: (dsi_funcs[i]) (res1, in1, in2i);
158:
159: mpf_set (out1, in1);
160: (dsi_funcs[i]) (out1, out1, in2i);
161: mpf_set (res2, out1);
162:
163: if (mpf_cmp (res1, res2) != 0)
164: dump_abort (dsi_func_names[i], res1, res2);
165: }
166:
167: in1i = urandom ();
168: for (i = 0; i < sizeof (dis_funcs) / sizeof (dis_func); i++)
169: {
170: /* Don't divide by 0. */
171: if (strcmp (dis_func_names[i], "mpf_ui_div") == 0
172: && mpf_cmp_ui (in2, 0) == 0)
173: continue;
174:
175: (dis_funcs[i]) (res1, in1i, in2);
176:
177: mpf_set (out1, in2);
178: (dis_funcs[i]) (out1, in1i, out1);
179: mpf_set (res2, out1);
180:
181: if (mpf_cmp (res1, res2) != 0)
182: dump_abort (dis_func_names[i], res1, res2);
183: }
184:
185: }
186:
187: mpf_clear (in1);
188: mpf_clear (in2);
189: mpf_clear (out1);
190: mpf_clear (res1);
191: mpf_clear (res2);
192: mpf_clear (res3);
193:
194: tests_end ();
195: exit (0);
196: }
197:
198: void
199: dump_abort (char *name, mpf_t res1, mpf_t res2)
200: {
201: printf ("failure in %s:\n", name);
202: mpf_dump (res1);
203: mpf_dump (res2);
204: abort ();
205: }
206:
207: #if 0
208: void mpf_abs _PROTO ((mpf_ptr, mpf_srcptr));
209: void mpf_sqrt _PROTO ((mpf_ptr, mpf_srcptr));
210: void mpf_neg _PROTO ((mpf_ptr, mpf_srcptr));
211: #endif
212:
213: #endif /* ! DLL_EXPORT */
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