43,6 → 43,7 |
#include <proc/thread.h> |
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#define THREADS 150*2 |
#define ATTEMPTS 10 |
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#define E_10e8 271828182 |
#define PI_10e8 314159265 |
54,48 → 55,56 |
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static void e(void *data) |
{ |
int i; |
double e,d,le,f; |
le=-1; |
e=0; |
f=1; |
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waitq_sleep(&can_start); |
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for(d=1;e!=le;d*=f,f+=1) { |
le=e; |
e=e+1/d; |
for (i = 0; i<ATTEMPTS; i++) { |
le=-1; |
e=0; |
f=1; |
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for(d=1;e!=le;d*=f,f+=1) { |
le=e; |
e=e+1/d; |
} |
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if((int)(100000000*e)!=E_10e8) |
panic("tid%d: e*10e8=%d\n", THREAD->tid, (int) 100000000*e); |
} |
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if((int)(100000000*e)==E_10e8) { |
atomic_inc((int *) &threads_ok); |
} |
else |
printf("tid%d: e*10e8=%d)\n", THREAD->tid, (int) 100000000*e); |
atomic_inc((int *) &threads_ok); |
} |
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static void pi(void *data) |
{ |
double lpi = -1, pi = 0; |
double ab, ad; |
int n; |
int i; |
double lpi, pi; |
double n, ab, ad; |
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waitq_sleep(&can_start); |
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for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
double sc, cd; |
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sc = sqrt(1 - (ab*ab/4)); |
cd = 1 - sc; |
ad = sqrt(ab*ab/4 + cd*cd); |
lpi = pi; |
pi = 2 * n * ad; |
} |
for (i = 0; i<ATTEMPTS; i++) { |
lpi = -1; |
pi = 0; |
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if((int)(100000000*pi)==PI_10e8) { |
atomic_inc((int *) &threads_ok); |
for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
double sc, cd; |
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sc = sqrt(1 - (ab*ab/4)); |
cd = 1 - sc; |
ad = sqrt(ab*ab/4 + cd*cd); |
lpi = pi; |
pi = 2 * n * ad; |
} |
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if((int)(100000000*pi)!=PI_10e8) |
panic("tid%d: pi*10e8=%d\n", THREAD->tid, (int) 100000000*pi); |
} |
else |
printf("tid%d: pi*10e8=%d)\n", THREAD->tid, (int) 100000000*pi); |
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atomic_inc((int *) &threads_ok); |
} |
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