2 Copyright 1996, 1998, 1999, 2000, 2001, 2004, 2007, 2009 Free Software
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 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.
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.
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/. */
26 #ifdef OPERATION_lshift
27 #define func __gmpn_lshift
28 #define reffunc refmpn_lshift
29 #define funcname "mpn_lshift"
32 #ifdef OPERATION_rshift
33 #define func __gmpn_rshift
34 #define reffunc refmpn_rshift
35 #define funcname "mpn_rshift"
38 #if defined (USG) || defined (__SVR4) || defined (_UNICOS) || defined (__hpux)
44 if (CLOCKS_PER_SEC < 100000)
45 return clock () * 1000 / CLOCKS_PER_SEC;
46 return clock () / (CLOCKS_PER_SEC / 1000);
49 #include <sys/types.h>
51 #include <sys/resource.h>
59 return rus.ru_utime.tv_sec * 1000 + rus.ru_utime.tv_usec / 1000;
63 static void mpn_print (mp_ptr, mp_size_t);
68 #error "Don't know CLOCK of your machine"
78 #define TIMES OPS/(SIZE+1)
86 main (int argc, char **argv)
97 s1 = malloc (SIZE * sizeof (mp_limb_t));
98 dx = malloc ((SIZE + 2) * sizeof (mp_limb_t));
99 dy = malloc ((SIZE + 2) * sizeof (mp_limb_t));
101 ntests = ~(unsigned) 0;
103 ntests = strtol (argv[1], 0, 0);
105 for (test = 1; test <= ntests; test++)
107 #if TIMES == 1 && ! defined (PRINT)
108 if (test % (SIZE > 100000 ? 1 : 100000 / SIZE) == 0)
110 printf ("\r%u", test);
116 cnt = random () % (GMP_NUMB_BITS - 1) + 1;
120 size = random () % SIZE + 1;
127 dx[size+1] = 0x12345678;
128 dy[size+1] = 0x12345678;
131 mpn_random (s1, size);
134 for (i = 0; i < TIMES; i++)
135 func (dx+1, s1, size, cnt);
137 printf (funcname ": %5ldms (%.3f cycles/limb)\n",
138 t, ((double) t * CLOCK) / (TIMES * size * 1000.0));
142 mpn_random (s1, size);
145 printf ("cnt=%-*d ", (int) (2 * sizeof(mp_limb_t)) - 4, cnt);
146 mpn_print (s1, size);
149 /* Put garbage in the destination. */
150 for (i = 0; i < size; i++)
156 cyx = reffunc (dx+1, s1, size, cnt);
157 cyy = func (dy+1, s1, size, cnt);
161 mpn_print (dx+1, size);
163 mpn_print (dy+1, size);
166 if (cyx != cyy || mpn_cmp (dx, dy, size+2) != 0
167 || dx[0] != 0x87654321 || dx[size+1] != 0x12345678)
171 mpn_print (dx+1, size);
173 mpn_print (dy+1, size);
176 if (dy[0] != 0x87654321)
177 printf ("clobbered at low end\n");
178 if (dy[size+1] != 0x12345678)
179 printf ("clobbered at high end\n");
180 printf ("TEST NUMBER %u\n", test);
189 mpn_print (mp_ptr p, mp_size_t size)
193 for (i = size - 1; i >= 0; i--)
195 #ifdef _LONG_LONG_LIMB
196 printf ("%0*lX%0*lX", (int) (sizeof(mp_limb_t)),
197 (unsigned long) (p[i] >> (GMP_LIMB_BITS/2)),
198 (int) (sizeof(mp_limb_t)), (unsigned long) (p[i]));
200 printf ("%0*lX", (int) (2 * sizeof(mp_limb_t)), p[i]);