| Last change
 on this file since 06280ad was             7bef8cf, checked in by Peter A. Buhr <pabuhr@…>, 2 years ago | 
        
          | 
start paper on llheap
 | 
        
          | 
              
Property                 mode
 set to                 100644 | 
        
          | File size:
            476 bytes | 
      
      
| Rev | Line |  | 
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| [7bef8cf] | 1 | #include <cstdio> | 
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|  | 2 |  | 
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|  | 3 | struct Fib { | 
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|  | 4 | int fn = 1, fn1 = 0; | 
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|  | 5 | void * next = nullptr; | 
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|  | 6 |  | 
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|  | 7 | int operator()() { | 
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|  | 8 | if ( __builtin_expect(next != 0, 1) ) goto *next; | 
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|  | 9 | next = &&s1; | 
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|  | 10 | for ( ;; ) { | 
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|  | 11 | return fn1; | 
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|  | 12 | s1: ; | 
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|  | 13 | int fn0 = fn + fn1; | 
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|  | 14 | fn1 = fn; | 
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|  | 15 | fn = fn0; | 
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|  | 16 | return fn1; | 
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|  | 17 | } | 
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|  | 18 | } | 
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|  | 19 | }; | 
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|  | 20 | int main() { | 
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|  | 21 | Fib f1, f2; | 
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|  | 22 | for ( int i = 0; i < 10; i += 1 ) { | 
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|  | 23 | printf( "%d %d\n", f1(), f2() ); | 
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|  | 24 | } | 
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|  | 25 | } | 
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|  | 26 |  | 
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|  | 27 | // Local Variables: // | 
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|  | 28 | // tab-width: 4 // | 
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|  | 29 | // compile-command: "gcc-8 Fib3.cc" // | 
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|  | 30 | // End: // | 
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