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34 | #include <test.h> |
34 | #include <test.h> |
35 | #include <arch/atomic.h> |
35 | #include <arch/atomic.h> |
36 | #include <proc/thread.h> |
36 | #include <proc/thread.h> |
37 | 37 | ||
38 | #include <arch.h> |
38 | #include <arch.h> |
- | 39 | #include <arch/arch.h> |
|
39 | 40 | ||
40 | #define THREADS 150*2 |
41 | #define THREADS 15*2 |
41 | #define ATTEMPTS 100 |
42 | #define ATTEMPTS 10 |
42 | 43 | ||
43 | #define E_10e8 271828182 |
44 | #define E_10e8 271828182 |
44 | #define PI_10e8 314159265 |
45 | #define PI_10e8 314159265 |
45 | 46 | ||
- | 47 | ||
- | 48 | #ifdef __ia32_ARCH_H__ |
|
- | 49 | static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; } |
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- | 50 | #endif |
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- | 51 | ||
- | 52 | #ifdef __amd64_ARCH_H__ |
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46 | static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; } |
53 | static inline double sqrt(double x) { double v; __asm__ ("fsqrt\n" : "=t" (v) : "0" (x)); return v; } |
- | 54 | #endif |
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- | 55 | ||
- | 56 | #ifdef __ia64_ARCH_H__ |
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- | 57 | static inline long double sqrt(long double a) |
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- | 58 | { |
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- | 59 | long double x = 1; |
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- | 60 | long double lx = 0; |
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- | 61 | ||
- | 62 | if(a<0.00000000000000001) return 0; |
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- | 63 | ||
- | 64 | while(x!=lx) |
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- | 65 | { |
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- | 66 | lx=x; |
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- | 67 | x=(x+(a/x))/2; |
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- | 68 | } |
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- | 69 | return x; |
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- | 70 | } |
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- | 71 | #endif |
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- | 72 | ||
- | 73 | ||
47 | 74 | ||
48 | static atomic_t threads_ok; |
75 | static atomic_t threads_ok; |
49 | static waitq_t can_start; |
76 | static waitq_t can_start; |
50 | 77 | ||
51 | static void e(void *data) |
78 | static void e(void *data) |
Line 73... | Line 100... | ||
73 | atomic_inc(&threads_ok); |
100 | atomic_inc(&threads_ok); |
74 | } |
101 | } |
75 | 102 | ||
76 | static void pi(void *data) |
103 | static void pi(void *data) |
77 | { |
104 | { |
- | 105 | ||
- | 106 | #ifdef __ia64_ARCH_H__ |
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- | 107 | #undef PI_10e8 |
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- | 108 | #define PI_10e8 3141592 |
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- | 109 | #endif |
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- | 110 | ||
78 | int i; |
111 | int i; |
79 | double lpi, pi; |
112 | double lpi, pi; |
80 | double n, ab, ad; |
113 | double n, ab, ad; |
81 | 114 | ||
82 | waitq_sleep(&can_start); |
115 | waitq_sleep(&can_start); |
Line 94... | Line 127... | ||
94 | ad = sqrt(ab*ab/4 + cd*cd); |
127 | ad = sqrt(ab*ab/4 + cd*cd); |
95 | lpi = pi; |
128 | lpi = pi; |
96 | pi = 2 * n * ad; |
129 | pi = 2 * n * ad; |
97 | } |
130 | } |
98 | 131 | ||
- | 132 | #ifdef __ia64_ARCH_H__ |
|
- | 133 | if((int)(1000000*pi)!=PI_10e8) |
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- | 134 | panic("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (1000000*pi),(__native) (PI_10e8/100)); |
|
- | 135 | #else |
|
99 | if((int)(100000000*pi)!=PI_10e8) |
136 | if((int)(100000000*pi)!=PI_10e8) |
100 | panic("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8); |
137 | panic("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8); |
- | 138 | #endif |
|
- | 139 | ||
101 | } |
140 | } |
102 | 141 | ||
103 | printf("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8); |
142 | printf("tid%d: pi*10e8=%d should be %d\n", THREAD->tid, (__native) (100000000*pi),(__native) PI_10e8); |
104 | atomic_inc(&threads_ok); |
143 | atomic_inc(&threads_ok); |
105 | } |
144 | } |
Line 131... | Line 170... | ||
131 | while (atomic_get(&threads_ok) != THREADS) |
170 | while (atomic_get(&threads_ok) != THREADS) |
132 | ; |
171 | ; |
133 | 172 | ||
134 | printf("Test passed.\n"); |
173 | printf("Test passed.\n"); |
135 | } |
174 | } |
- | 175 | ||
- | 176 | /* |
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- | 177 | static void pi(void *data) |
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- | 178 | { |
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- | 179 | #undef PI_10e8 |
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- | 180 | #define PI_10e8 3141592 |
|
- | 181 | ||
- | 182 | ||
- | 183 | int i; |
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- | 184 | double lpi, pi; |
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- | 185 | double n, ab, ad; |
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- | 186 | ||
- | 187 | ||
- | 188 | printf("pi test\n"); |
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- | 189 | ||
- | 190 | waitq_sleep(&can_start); |
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- | 191 | ||
- | 192 | ||
- | 193 | for (i = 0; i<ATTEMPTS; i++) { |
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- | 194 | lpi = -1; |
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- | 195 | pi = 0; |
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- | 196 | ||
- | 197 | for (n=2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
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- | 198 | double sc, cd; |
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- | 199 | ||
- | 200 | sc = sqrt(1 - (ab*ab/4)); |
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- | 201 | cd = 1 - sc; |
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- | 202 | ad = sqrt(ab*ab/4 + cd*cd); |
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- | 203 | lpi = pi; |
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- | 204 | pi = 2 * n * ad; |
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- | 205 | } |
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- | 206 | ||
- | 207 | atomic_inc(&threads_ok); |
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- | 208 | if((int)(1000000*pi)!=PI_10e8) |
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- | 209 | panic("tid%d: pi*10e6=%d\n", THREAD->tid, (int) 1000000*pi); |
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- | 210 | } |
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- | 211 | ||
- | 212 | printf("tid%d: pi*10e6=%d\n", THREAD->tid, (int) 1000000*pi); |
|
- | 213 | } |
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- | 214 | */ |