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1.1 maekawa 1: /* Test that routines allow reusing a source variable as destination. */
2:
3: #include <stdio.h>
4: #include "gmp.h"
5: #include "gmp-impl.h"
6: #include "urandom.h"
7:
8: #ifndef SIZE
9: #define SIZE 16
10: #endif
11:
12: #ifndef EXPO
13: #define EXPO 32
14: #endif
15:
16: #if __STDC__
17: typedef void (*dss_func) (mpf_ptr, mpf_srcptr, mpf_srcptr);
18: #else
19: typedef void (*dss_func) ();
20: #endif
21:
22: dss_func dss_funcs[] =
23: {
24: mpf_div, mpf_add, mpf_mul, mpf_sub,
25: };
26:
27: char *dss_func_names[] =
28: {
29: "mpf_div", "mpf_add", "mpf_mul", "mpf_sub",
30: };
31:
32: #if __STDC__
33: typedef void (*dsi_func) (mpf_ptr, mpf_srcptr, unsigned long int);
34: #else
35: typedef void (*dsi_func) ();
36: #endif
37:
38: dsi_func dsi_funcs[] =
39: {
40: mpf_div_ui, mpf_add_ui, mpf_mul_ui, mpf_sub_ui,
41: };
42:
43: char *dsi_func_names[] =
44: {
45: "mpf_div_ui", "mpf_add_ui", "mpf_mul_ui", "mpf_sub_ui",
46: };
47:
48: #if __STDC__
49: typedef void (*dis_func) (mpf_ptr, unsigned long int, mpf_srcptr);
50: #else
51: typedef void (*dis_func) ();
52: #endif
53:
54: dis_func dis_funcs[] =
55: {
56: mpf_ui_div, mpf_ui_sub,
57: };
58:
59: char *dis_func_names[] =
60: {
61: "mpf_ui_div", "mpf_ui_sub",
62: };
63:
64: main (argc, argv)
65: int argc;
66: char **argv;
67: {
68: int i;
69: int pass, reps = 100000;
70: mpf_t in1, in2, out1;
71: unsigned long int in1i, in2i;
72: mpf_t res1, res2, res3;
73: mp_size_t bprec = 100;
74:
75: if (argc > 1)
76: {
77: reps = strtol (argv[1], 0, 0);
78: if (argc > 2)
79: bprec = strtol (argv[2], 0, 0);
80: }
81:
82: mpf_set_default_prec (bprec);
83:
84: mpf_init (in1);
85: mpf_init (in2);
86: mpf_init (out1);
87: mpf_init (res1);
88: mpf_init (res2);
89: mpf_init (res3);
90:
91: for (pass = 1; pass <= reps; pass++)
92: {
93: mpf_random2 (in1, urandom () % SIZE - SIZE/2, urandom () % EXPO);
94: mpf_random2 (in2, urandom () % SIZE - SIZE/2, urandom () % EXPO);
95:
96: for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++)
97: {
98: /* Don't divide by 0. */
99: if (i == 0 && mpf_cmp_ui (in2, 0) == 0)
100: continue;
101:
102: (dss_funcs[i]) (res1, in1, in2);
103:
104: mpf_set (out1, in1);
105: (dss_funcs[i]) (out1, out1, in2);
106: mpf_set (res2, out1);
107:
108: mpf_set (out1, in2);
109: (dss_funcs[i]) (out1, in1, out1);
110: mpf_set (res3, out1);
111:
112: if (mpf_cmp (res1, res2) != 0)
113: dump_abort (dss_func_names[i], res1, res2);
114: if (mpf_cmp (res1, res3) != 0)
115: dump_abort (dss_func_names[i], res1, res3);
116: }
117:
118: in2i = urandom ();
119: for (i = 0; i < sizeof (dsi_funcs) / sizeof (dsi_func); i++)
120: {
121: /* Don't divide by 0. */
122: if (i == 0 && in2i == 0)
123: continue;
124:
125: (dsi_funcs[i]) (res1, in1, in2i);
126:
127: mpf_set (out1, in1);
128: (dsi_funcs[i]) (out1, out1, in2i);
129: mpf_set (res2, out1);
130:
131: if (mpf_cmp (res1, res2) != 0)
132: dump_abort (dsi_func_names[i], res1, res2);
133: }
134:
135: in1i = urandom ();
136: for (i = 0; i < sizeof (dis_funcs) / sizeof (dis_func); i++)
137: {
138: /* Don't divide by 0. */
139: if (i == 0 && mpf_cmp_ui (in2, 0) == 0)
140: continue;
141:
142: (dis_funcs[i]) (res1, in1i, in2);
143:
144: mpf_set (out1, in2);
145: (dis_funcs[i]) (out1, in1i, in2);
146: mpf_set (res2, out1);
147:
148: if (mpf_cmp (res1, res2) != 0)
149: dump_abort (dis_func_names[i], res1, res2);
150: }
151:
152: }
153:
154: exit (0);
155: }
156:
157: dump_abort (name, res1, res2)
158: char *name;
159: mpf_t res1, res2;
160: {
161: printf ("failure in %s:", name);
162: oo (res1);
163: oo (res2);
164: abort ();
165: }
166:
167: oo (x)
168: mpf_t x;
169: {
170: mp_size_t i;
171: printf (" exp = %ld\n", x->_mp_exp);
172: printf ("size = %d\n", x->_mp_size);
173: for (i = ABS (x->_mp_size) - 1; i >= 0; i--)
174: printf ("%08lX ", x->_mp_d[i]);
175: printf ("\n");
176: mpf_dump (x);
177: }
178:
179: #if 0
180: void mpf_div_2exp _PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
181: void mpf_mul_2exp _PROTO ((mpf_ptr, mpf_srcptr, unsigned long int));
182:
183: void mpf_abs _PROTO ((mpf_ptr, mpf_srcptr));
184: void mpf_sqrt _PROTO ((mpf_ptr, mpf_srcptr));
185: void mpf_neg _PROTO ((mpf_ptr, mpf_srcptr));
186: #endif