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. */
32 void ref_mpf_add (mpf_t, const mpf_t, const mpf_t);
33 void ref_mpf_sub (mpf_t, const mpf_t, const mpf_t);
48 mp_size_t bprec = 100;
49 mpf_t rerr, max_rerr, limit_rerr;
53 reps = strtol (argv[1], 0, 0);
55 bprec = strtol (argv[2], 0, 0);
58 mpf_set_default_prec (bprec);
60 mpf_init_set_ui (limit_rerr, 1);
61 mpf_div_2exp (limit_rerr, limit_rerr, bprec);
63 mpf_dump (limit_rerr);
66 mpf_init_set_ui (max_rerr, 0);
72 for (i = 0; i < reps; i++)
74 size = urandom () % (2 * SIZE) - SIZE;
75 exp = urandom () % SIZE;
76 mpf_random2 (u, size, exp);
78 size = urandom () % (2 * SIZE) - SIZE;
79 exp = urandom () % SIZE;
80 mpf_random2 (v, size, exp);
82 if ((urandom () & 1) != 0)
84 else if ((urandom () & 1) != 0)
88 ref_mpf_sub (wref, u, v);
90 mpf_reldiff (rerr, w, wref);
91 if (mpf_cmp (rerr, max_rerr) > 0)
93 mpf_set (max_rerr, rerr);
97 if (mpf_cmp (rerr, limit_rerr) > 0)
99 printf ("ERROR after %d tests\n", i);
100 printf (" u = "); mpf_dump (u);
101 printf (" v = "); mpf_dump (v);
102 printf ("wref = "); mpf_dump (wref);
103 printf (" w = "); mpf_dump (w);
116 printf (" exp = %ld\n", x->_mp_exp);
117 printf ("size = %d\n", x->_mp_size);
118 for (i = ABS (x->_mp_size) - 1; i >= 0; i--)
119 printf ("%08lX ", x->_mp_d[i]);