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1 /* Test conversion and I/O using mpz_out_str and mpz_inp_str. | |
2 | |
3 Copyright 1993, 1994, 1996, 2000, 2001 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 3 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. If not, see http://www.gnu.org/licenses/. */ | |
19 | |
20 #include "config.h" | |
21 | |
22 #include <stdio.h> | |
23 #include <stdlib.h> | |
24 #if HAVE_UNISTD_H | |
25 #include <unistd.h> /* for unlink */ | |
26 #endif | |
27 | |
28 #include "gmp.h" | |
29 #include "gmp-impl.h" | |
30 #include "tests.h" | |
31 | |
32 #define FILENAME "io.tmp" | |
33 | |
34 void | |
35 debug_mp (mpz_t x, int base) | |
36 { | |
37 mpz_out_str (stdout, base, x); fputc ('\n', stdout); | |
38 } | |
39 | |
40 int | |
41 main (int argc, char **argv) | |
42 { | |
43 mpz_t op1, op2; | |
44 mp_size_t size; | |
45 int i; | |
46 int reps = 10000; | |
47 FILE *fp; | |
48 int base; | |
49 gmp_randstate_ptr rands; | |
50 mpz_t bs; | |
51 unsigned long bsi, size_range; | |
52 size_t nread; | |
53 | |
54 tests_start (); | |
55 rands = RANDS; | |
56 | |
57 mpz_init (bs); | |
58 | |
59 if (argc == 2) | |
60 reps = atoi (argv[1]); | |
61 | |
62 mpz_init (op1); | |
63 mpz_init (op2); | |
64 | |
65 fp = fopen (FILENAME, "w+"); | |
66 | |
67 for (i = 0; i < reps; i++) | |
68 { | |
69 mpz_urandomb (bs, rands, 32); | |
70 size_range = mpz_get_ui (bs) % 10 + 2; | |
71 | |
72 mpz_urandomb (bs, rands, size_range); | |
73 size = mpz_get_ui (bs); | |
74 mpz_rrandomb (op1, rands, size); | |
75 mpz_urandomb (bs, rands, 1); | |
76 bsi = mpz_get_ui (bs); | |
77 if ((bsi & 1) != 0) | |
78 mpz_neg (op1, op1); | |
79 | |
80 mpz_urandomb (bs, rands, 16); | |
81 bsi = mpz_get_ui (bs); | |
82 base = bsi % 36 + 1; | |
83 if (base == 1) | |
84 base = 0; | |
85 | |
86 rewind (fp); | |
87 if (mpz_out_str (fp, base, op1) == 0 | |
88 || putc (' ', fp) == EOF | |
89 || fflush (fp) != 0) | |
90 { | |
91 printf ("mpz_out_str write error\n"); | |
92 abort (); | |
93 } | |
94 | |
95 rewind (fp); | |
96 nread = mpz_inp_str (op2, fp, base); | |
97 if (nread == 0) | |
98 { | |
99 if (ferror (fp)) | |
100 printf ("mpz_inp_str stream read error\n"); | |
101 else | |
102 printf ("mpz_inp_str data conversion error\n"); | |
103 abort (); | |
104 } | |
105 | |
106 if (nread != ftell(fp)) | |
107 { | |
108 printf ("mpz_inp_str nread doesn't match ftell\n"); | |
109 printf (" nread %lu\n", (unsigned long) nread); | |
110 printf (" ftell %ld\n", ftell(fp)); | |
111 abort (); | |
112 } | |
113 | |
114 if (mpz_cmp (op1, op2)) | |
115 { | |
116 printf ("ERROR\n"); | |
117 printf ("op1 = "); debug_mp (op1, -16); | |
118 printf ("op2 = "); debug_mp (op2, -16); | |
119 printf ("base = %d\n", base); | |
120 abort (); | |
121 } | |
122 } | |
123 | |
124 fclose (fp); | |
125 | |
126 unlink (FILENAME); | |
127 | |
128 mpz_clear (bs); | |
129 mpz_clear (op1); | |
130 mpz_clear (op2); | |
131 | |
132 tests_end (); | |
133 exit (0); | |
134 } | |
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