Subversion Repositories HelenOS-historic

Rev

Rev 1196 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
86 jermar 1
/*
2
 * Copyright (C) 2005 Jakub Vana
91 jermar 3
 * Copyright (C) 2005 Jakub Jermar
86 jermar 4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions
8
 * are met:
9
 *
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.
17
 *
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.
28
 */
84 vana 29
 
30
#include <print.h>
31
#include <debug.h>
32
#include <panic.h>
33
 
34
#include <test.h>
1104 jermar 35
#include <atomic.h>
84 vana 36
#include <proc/thread.h>
37
 
94 jermar 38
#include <arch.h>
1023 vana 39
#include <arch/arch.h>
94 jermar 40
 
1053 vana 41
#define THREADS     150*2
42
#define ATTEMPTS    100
91 jermar 43
 
44
#define E_10e8  271828182
45
#define PI_10e8 314159265
46
 
1023 vana 47
 
48
#ifdef __ia32_ARCH_H__
91 jermar 49
static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; }
1023 vana 50
#endif
91 jermar 51
 
1023 vana 52
#ifdef __amd64_ARCH_H__
53
static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; }
54
#endif
55
 
56
#ifdef __ia64_ARCH_H__
57
static inline long double sqrt(long double a)
58
{  
59
    long double x = 1;
60
    long double lx = 0;
61
 
62
    if(a<0.00000000000000001) return 0;
63
 
64
    while(x!=lx)
65
    {
66
        lx=x;
67
        x=(x+(a/x))/2;
68
    }
69
    return x;
70
}
71
#endif
72
 
73
 
74
 
483 jermar 75
static atomic_t threads_ok;
91 jermar 76
static waitq_t can_start;
77
 
86 jermar 78
static void e(void *data)
84 vana 79
{
92 jermar 80
    int i;
91 jermar 81
    double e,d,le,f;
82
 
1658 vana 83
    thread_detach(THREAD);
84
 
91 jermar 85
    waitq_sleep(&can_start);
86
 
92 jermar 87
    for (i = 0; i<ATTEMPTS; i++) {
88
        le=-1;
89
        e=0;
90
        f=1;
91
 
92
        for(d=1;e!=le;d*=f,f+=1) {
93
            le=e;
94
            e=e+1/d;
95
        }
96
 
97
        if((int)(100000000*e)!=E_10e8)
1196 cejka 98
            panic("tid%d: e*10e8=%zd should be %zd\n", THREAD->tid, (__native) (100000000*e),(__native) E_10e8);
86 jermar 99
    }
91 jermar 100
 
1196 cejka 101
    printf("tid%d: e*10e8=%zd should be %zd\n", THREAD->tid, (__native) (100000000*e),(__native) E_10e8);
119 jermar 102
    atomic_inc(&threads_ok);
84 vana 103
}
104
 
91 jermar 105
static void pi(void *data)
106
{
1023 vana 107
 
108
#ifdef __ia64_ARCH_H__
109
#undef PI_10e8  
110
#define PI_10e8 3141592
111
#endif
112
 
1658 vana 113
 
92 jermar 114
    int i;
125 jermar 115
    double lpi, pi;
116
    double n, ab, ad;
1658 vana 117
 
118
    thread_detach(THREAD);
84 vana 119
 
91 jermar 120
    waitq_sleep(&can_start);
84 vana 121
 
91 jermar 122
 
92 jermar 123
    for (i = 0; i<ATTEMPTS; i++) {
124
        lpi = -1;
125
        pi = 0;
91 jermar 126
 
125 jermar 127
        for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) {
128
            double sc, cd;
92 jermar 129
 
125 jermar 130
            sc = sqrt(1 - (ab*ab/4));
131
            cd = 1 - sc;
132
            ad = sqrt(ab*ab/4 + cd*cd);
133
            lpi = pi;
134
            pi = 2 * n * ad;
135
        }
92 jermar 136
 
1023 vana 137
#ifdef __ia64_ARCH_H__
138
        if((int)(1000000*pi)!=PI_10e8)
1196 cejka 139
            panic("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (__native) (1000000*pi),(__native) (PI_10e8/100));
1023 vana 140
#else
92 jermar 141
        if((int)(100000000*pi)!=PI_10e8)
1196 cejka 142
            panic("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8);
1023 vana 143
#endif
144
 
91 jermar 145
    }
92 jermar 146
 
1196 cejka 147
    printf("tid%d: pi*10e8=%zd should be %zd\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8);
119 jermar 148
    atomic_inc(&threads_ok);
91 jermar 149
}
150
 
84 vana 151
void test(void)
152
{
86 jermar 153
    thread_t *t;
154
    int i;
84 vana 155
 
91 jermar 156
    waitq_initialize(&can_start);
157
 
158
    printf("FPU test #1\n");
159
    printf("Creating %d threads... ", THREADS);
160
 
161
    for (i=0; i<THREADS/2; i++) {  
1062 jermar 162
        if (!(t = thread_create(e, NULL, TASK, 0, "e")))
91 jermar 163
            panic("could not create thread\n");
86 jermar 164
        thread_ready(t);
1062 jermar 165
        if (!(t = thread_create(pi, NULL, TASK, 0, "pi")))
91 jermar 166
            panic("could not create thread\n");
167
        thread_ready(t);
86 jermar 168
    }
91 jermar 169
    printf("ok\n");
90 vana 170
 
91 jermar 171
    thread_sleep(1);
172
    waitq_wakeup(&can_start, WAKEUP_ALL);
84 vana 173
 
827 palkovsky 174
    while (atomic_get(&threads_ok) != THREADS)
91 jermar 175
        ;
176
 
177
    printf("Test passed.\n");
84 vana 178
}