2 * Copyright (c) 2007 Diomidis Spinellis. All rights reserved.
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions
6 * 1. Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * 2. Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
12 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
13 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
14 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
15 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
16 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
17 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
18 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
19 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
20 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
21 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 #include <sys/cdefs.h>
26 __FBSDID("$FreeBSD$");
36 #include <sys/types.h>
38 #define KASSERT(val, msg) assert(val)
40 typedef u_int32_t comp_t;
54 check_result(const char *name, float expected, union cf v)
58 eps = fabs(expected - v.f) / expected;
59 if (eps > FLT_EPSILON) {
60 printf("Error in %s\n", name);
61 printf("Got 0x%08x %12g\n", v.c, v.f);
63 printf("Expected 0x%08x %12g (%.15lg)\n", v.c, v.f, expected);
64 printf("Epsilon=%lg, rather than %g\n", eps, FLT_EPSILON);
70 main(int argc, char *argv[])
80 for (i = 0; i < end; i++) {
82 tv.tv_usec = (random() % 1000000);
83 v.c = encode_timeval(tv);
84 check_result("encode_timeval",
85 (float)tv.tv_sec * AHZ + tv.tv_usec, v);
88 check_result("encode_long", l, v);
90 } else if (argc == 3) {
91 /* Single-value timeval/long test */
92 tv.tv_sec = atol(argv[1]);
93 tv.tv_usec = atol(argv[2]);
94 v.c = encode_timeval(tv);
95 check_result("encode_timeval",
96 (float)tv.tv_sec * AHZ + tv.tv_usec, v);
97 v.c = encode_long(tv.tv_sec);
98 check_result("encode_long", tv.tv_sec, v);
100 fprintf(stderr, "usage:\n%s repetitions\n%s sec usec\n",