2
* Copyright (c) 2005 Jakub Vana
3
* Copyright (c) 2005 Jakub Jermar
6
* Redistribution and use in source and binary forms, with or without
7
* modification, are permitted provided that the following conditions
10
* - Redistributions of source code must retain the above copyright
11
* notice, this list of conditions and the following disclaimer.
12
* - Redistributions in binary form must reproduce the above copyright
13
* notice, this list of conditions and the following disclaimer in the
14
* documentation and/or other materials provided with the distribution.
15
* - The name of the author may not be used to endorse or promote products
16
* derived from this software without specific prior written permission.
18
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35
#include "../tester.h"
40
#define E_10E8 UINT32_C(271828182)
41
#define PRECISION 100000000
43
static atomic_t threads_finished;
44
static atomic_t threads_fault;
46
static void e(void *data)
48
for (unsigned int i = 0; i < ATTEMPTS; i++) {
53
for (double d = 1; e != le; d *= f, f += 1) {
58
if ((uint32_t) (e * PRECISION) != E_10E8) {
59
atomic_inc(&threads_fault);
64
atomic_inc(&threads_finished);
67
const char *test_float1(void)
69
atomic_count_t total = 0;
71
atomic_set(&threads_finished, 0);
72
atomic_set(&threads_fault, 0);
74
TPRINTF("Creating threads");
75
for (unsigned int i = 0; i < THREADS; i++) {
76
if (thread_create(e, NULL, "e", NULL) < 0) {
77
TPRINTF("\nCould not create thread %u\n", i);
87
while (atomic_get(&threads_finished) < total) {
88
TPRINTF("Threads left: %" PRIua "\n",
89
total - atomic_get(&threads_finished));
93
if (atomic_get(&threads_fault) == 0)