Last change
on this file was
5c46672,
checked in by Thierry Delisle <tdelisle@…>, 3 years ago
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coroutine fibonacci now uses return from resume
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-
Property mode set to
100644
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File size:
1.2 KB
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1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2017 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // fibonacci.c -- 3-state finite-state machine |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Thu Jun 8 07:29:37 2017 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Fri Mar 22 13:40:35 2019 |
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13 | // Update Count : 26 |
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14 | // |
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15 | |
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16 | #include <fstream.hfa> |
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17 | #include <coroutine.hfa> |
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18 | |
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19 | coroutine Fibonacci { int fn; }; // used for communication |
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20 | |
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21 | void main( Fibonacci & fib ) with( fib ) { // called on first resume |
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22 | int fn1, fn2; // retained between resumes |
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23 | fn = 0; fn1 = fn; // 1st case |
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24 | suspend; // restart last resume |
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25 | fn = 1; fn2 = fn1; fn1 = fn; // 2nd case |
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26 | suspend; // restart last resume |
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27 | for () { |
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28 | fn = fn1 + fn2; fn2 = fn1; fn1 = fn; // general case |
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29 | suspend; // restart last resume |
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30 | } // for |
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31 | } |
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32 | |
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33 | int main() { |
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34 | Fibonacci f1, f2; |
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35 | for ( 10 ) { // print N Fibonacci values |
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36 | sout | resume( f1 ).fn | resume( f2 ).fn; |
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37 | } // for |
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38 | } |
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39 | |
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40 | // Local Variables: // |
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41 | // tab-width: 4 // |
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42 | // compile-command: "cfa fibonacci.cfa" // |
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43 | // End: // |
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