WebSVN – HelenOS-historic – Diff – /kernel/trunk/test/fpu/fpu1/test.c

 /*
  * Copyright (C) 2005 Jakub Vana
  * Copyright (C) 2005 Jakub Jermar
  * All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
+ *
  * - Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
  * - The name of the author may not be used to endorse or promote products
  *   derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include <print.h>
 #include <debug.h>
 #include <panic.h>
 #include <test.h>
 #include <arch/atomic.h>
 #include <proc/thread.h>
 #include <arch.h>
+#include <arch/arch.h>
-#define THREADS     150*2
+#define THREADS     15*2
-#define ATTEMPTS    100
+#define ATTEMPTS    10
 #define E_10e8  271828182
 #define PI_10e8 314159265
+#ifdef __ia32_ARCH_H__
+static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; }
+#endif
+#ifdef __amd64_ARCH_H__
 static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; }
+#endif
+#ifdef __ia64_ARCH_H__
+static inline long double sqrt(long double a)
+{
+    long double x = 1;
+    long double lx = 0;
+    if(a<0.00000000000000001) return 0;
+    while(x!=lx)
+    {
+        lx=x;
+        x=(x+(a/x))/2;
+    }
+    return x;
+}
+#endif
 static atomic_t threads_ok;
 static waitq_t can_start;
 static void e(void *data)
+{
     int i;
     double e,d,le,f;
     waitq_sleep(&can_start);
     for (i = 0; i<ATTEMPTS; i++) {
         le=-1;
         e=0;
         f=1;
         for(d=1;e!=le;d*=f,f+=1) {
             le=e;
             e=e+1/d;
+        }
         if((int)(100000000*e)!=E_10e8)
             panic("tid%d: e*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*e),(__native) E_10e8);
+    }
     printf("tid%d: e*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*e),(__native) E_10e8);
     atomic_inc(&threads_ok);
+}
 static void pi(void *data)
+{
+#ifdef __ia64_ARCH_H__
+#undef PI_10e8
+#define PI_10e8 3141592
+#endif
     int i;
     double lpi, pi;
     double n, ab, ad;
     waitq_sleep(&can_start);
     for (i = 0; i<ATTEMPTS; i++) {
         lpi = -1;
         pi = 0;
         for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) {
             double sc, cd;
             sc = sqrt(1 - (ab*ab/4));
             cd = 1 - sc;
             ad = sqrt(ab*ab/4 + cd*cd);
             lpi = pi;
             pi = 2 * n * ad;
+        }
+#ifdef __ia64_ARCH_H__
+        if((int)(1000000*pi)!=PI_10e8)
+            panic("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (1000000*pi),(__native) (PI_10e8/100));
+#else
         if((int)(100000000*pi)!=PI_10e8)
             panic("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8);
+#endif
+    }
     printf("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8);
     atomic_inc(&threads_ok);
+}
 void test(void)
+{
     thread_t *t;
     int i;
     waitq_initialize(&can_start);
     printf("FPU test #1\n");
     printf("Creating %d threads... ", THREADS);
     for (i=0; i<THREADS/2; i++) {
         if (!(t = thread_create(e, NULL, TASK, 0)))
             panic("could not create thread\n");
         thread_ready(t);
         if (!(t = thread_create(pi, NULL, TASK, 0)))
             panic("could not create thread\n");
         thread_ready(t);
+    }
     printf("ok\n");
     thread_sleep(1);
     waitq_wakeup(&can_start, WAKEUP_ALL);
     while (atomic_get(&threads_ok) != THREADS)
+        ;
     printf("Test passed.\n");
+}
+/*
+static void pi(void *data)
+{
+#undef PI_10e8
+#define PI_10e8 3141592
+    int i;
+    double lpi, pi;
+    double n, ab, ad;
+    printf("pi test\n");
+    waitq_sleep(&can_start);
+    for (i = 0; i<ATTEMPTS; i++) {
+        lpi = -1;
+        pi = 0;
+        for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) {
+            double sc, cd;
+            sc = sqrt(1 - (ab*ab/4));
+            cd = 1 - sc;
+            ad = sqrt(ab*ab/4 + cd*cd);
+            lpi = pi;
+            pi = 2 * n * ad;
+        }
+        atomic_inc(&threads_ok);
+        if((int)(1000000*pi)!=PI_10e8)
+            panic("tid%d: pi*10e6=%d\n", THREAD->tid, (int) 1000000*pi);
+    }
+    printf("tid%d: pi*10e6=%d\n", THREAD->tid, (int) 1000000*pi);
+}
+*/

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/test/fpu/fpu1/test.c – Rev 1020 → 1023