2 * Copyright © 2013 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
27 #define test_o(op,func,mod,a,b,ao_a,ao_b) do { \
29 func(&ao_r, ao_a, ao_b); \
30 c = ao_cast64(&ao_r); \
32 printf ("trial %4d: %lld " #func mod " %lld = %lld (should be %lld)\n", \
33 trial, (long long) (a), (long long) b, (long long) c, (long long) r); \
38 #define test(op,func,a,b,ao_a,ao_b) test_o(op,func,"",a,b,ao_a,ao_b)
40 #define test_a(op,func,a,b,ao_a,ao_b) do { \
42 test_o(op,func,"_a",a,b,&ao_r,ao_b); \
45 #define test_b(op,func,a,b,ao_a,ao_b) do { \
47 test_o(op,func,"_b",a,b,ao_a,&ao_r); \
50 #define test_x(op,func,a,b,ao_a,ao_b) do { \
52 test_o(op,func,"_xa",a,a,&ao_r,&ao_r); \
54 test_o(op,func,"_xb",b,b,&ao_r,&ao_r); \
58 do_test(int trial, int64_t a, int64_t b)
61 ao_int64_t ao_a, ao_b, ao_r;
63 ao_int64_init64(&ao_a, a >> 32, a);
64 ao_int64_init64(&ao_b, b >> 32, b);
66 test(+, ao_plus64, a, b, &ao_a, &ao_b);
67 test_a(+, ao_plus64, a, b, &ao_a, &ao_b);
68 test_b(+, ao_plus64, a, b, &ao_a, &ao_b);
69 test_x(+, ao_plus64, a, b, &ao_a, &ao_b);
70 test(-, ao_minus64, a, b, &ao_a, &ao_b);
71 test_a(-, ao_minus64, a, b, &ao_a, &ao_b);
72 test_b(-, ao_minus64, a, b, &ao_a, &ao_b);
73 test_x(-, ao_minus64, a, b, &ao_a, &ao_b);
74 test(*, ao_mul64_32_32,(int64_t) (int32_t) a, (int32_t) b, (int32_t) a, (int32_t) b);
75 test(*, ao_mul64, a, b, &ao_a, &ao_b);
76 test_a(*, ao_mul64, a, b, &ao_a, &ao_b);
77 test_b(*, ao_mul64, a, b, &ao_a, &ao_b);
78 test_x(*, ao_mul64, a, b, &ao_a, &ao_b);
79 test(*, ao_mul64_64_16, a, (uint16_t) b, &ao_a, (uint16_t) b);
80 test_a(*, ao_mul64_64_16, a, (uint16_t) b, &ao_a, (uint16_t) b);
81 test(>>, ao_rshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f);
82 test_a(>>, ao_rshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f);
83 test(<<, ao_lshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f);
84 test_a(<<, ao_lshift64, a, (uint8_t) b & 0x3f, &ao_a, (uint8_t) b & 0x3f);
87 #define TESTS 10000000
92 return (int64_t) random() + ((int64_t) random() << 31) /* + ((int64_t) random() << 33) */;
96 main (int argc, char **argv)
101 start = atoi(argv[1]);
105 for (i = 0; i < TESTS; i++) {
106 int64_t a = random64();
107 int64_t b = random64();