1 /* Test mpf_sqrt, mpf_mul.
3 Copyright (C) 1996 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Library General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or (at your
10 option) any later version.
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 Library General Public
15 License for more details.
17 You should have received a copy of the GNU Library 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. */
40 mp_size_t bprec = 100;
41 mpf_t rerr, max_rerr, limit_rerr;
45 reps = strtol (argv[1], 0, 0);
47 bprec = strtol (argv[2], 0, 0);
50 mpf_set_default_prec (bprec);
52 mpf_init_set_ui (limit_rerr, 1);
53 mpf_div_2exp (limit_rerr, limit_rerr, bprec);
55 mpf_dump (limit_rerr);
58 mpf_init_set_ui (max_rerr, 0);
63 for (i = 0; i < reps; i++)
65 size = urandom () % SIZE;
66 exp = urandom () % SIZE;
67 mpf_random2 (x, size, exp);
72 mpf_reldiff (rerr, x, y2);
73 if (mpf_cmp (rerr, max_rerr) > 0)
75 mpf_set (max_rerr, rerr);
79 if (mpf_cmp (rerr, limit_rerr) > 0)
81 printf ("ERROR after %d tests\n", i);
82 printf (" x = "); mpf_dump (x);
83 printf (" y = "); mpf_dump (y);
84 printf (" y2 = "); mpf_dump (y2);
97 printf (" exp = %ld\n", x->_mp_exp);
98 printf ("size = %d\n", x->_mp_size);
99 for (i = ABS (x->_mp_size) - 1; i >= 0; i--)
100 printf ("%08lX ", x->_mp_d[i]);