Last change
on this file since 1ae3ac46 was
7bef8cf,
checked in by Peter A. Buhr <pabuhr@…>, 18 months ago
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start paper on llheap
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-
Property mode set to
100644
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File size:
541 bytes
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1 | #include <stdio.h> |
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2 | |
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3 | typedef struct { |
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4 | int restart, fn1, fn; |
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5 | } Fib; |
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6 | #define FibCtor { 0, 1, 0 } |
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7 | |
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8 | Fib * comain( Fib * f ) { |
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9 | static void * states[] = {&&s0, &&s1}; |
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10 | goto *states[f->restart]; |
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11 | s0: f->restart = 1; |
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12 | for ( ;; ) { |
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13 | return f; |
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14 | s1:; int fn = f->fn + f->fn1; |
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15 | f->fn1 = f->fn; f->fn = fn; |
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16 | } |
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17 | } |
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18 | int main() { |
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19 | Fib f1 = FibCtor, f2 = FibCtor; |
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20 | for ( int i = 0; i < 10; i += 1 ) |
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21 | printf( "%d %d\n", comain( &f1 )->fn, comain( &f2 )->fn ); |
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22 | } |
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23 | |
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24 | // Local Variables: // |
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25 | // tab-width: 4 // |
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26 | // compile-command: "gcc-8 Fib3.c" // |
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27 | // End: // |
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