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			37 lines
		
	
	
		
			615 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			615 B
		
	
	
	
		
			C
		
	
	
	
| #include <omp.h>
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| #include <stdlib.h>
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| 
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| int
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| main (void)
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| {
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|   int i = 0, j = 0, k = ~0;
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|   double d = 1.0;
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| #pragma omp parallel num_threads(4) reduction(+:i) reduction(*:d) reduction(&:k)
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|   {
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|     if (i != 0 || d != 1.0 || k != ~0)
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| #pragma omp atomic
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|       j |= 1;
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|   
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|     if (omp_get_num_threads () != 4)
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| #pragma omp atomic
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|       j |= 2;
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| 
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|     i = omp_get_thread_num ();
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|     d = i + 1;
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|     k = ~(1 << (2 * i));
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|   }
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| 
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|   if (j & 1)
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|     abort ();
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|   if ((j & 2) == 0)
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|     {
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|       if (i != (0 + 1 + 2 + 3))
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| 	abort ();
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|       if (d != (1.0 * 2.0 * 3.0 * 4.0))
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| 	abort ();
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|       if (k != (~0 ^ 0x55))
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| 	abort ();
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|     }
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|   return 0;
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| }
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