source: doc/papers/concurrency/examples/Fib2.cfa @ 600d7be

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 600d7be was 600d7be, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago

example updates

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1//
2// Cforall Version 1.0.0 Copyright (C) 2018 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// fibonacci_1.cfa -- 1-state finite-state machine: precomputed first two states returning f(n - 1)
8//
9// Author           : Peter A. Buhr
10// Created On       : Thu Apr 26 23:20:08 2018
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sat May 18 08:55:59 2019
13// Update Count     : 36
14//
15
16#include <fstream.hfa>
17#include <coroutine.hfa>
18
19coroutine Fibonacci { int fn1, fn; };                                   // used for communication
20
21void main( Fibonacci & fib ) with( fib ) {                              // called on first resume
22        [fn1, fn] = [1, 0];                                                                     // precompute first two states
23        for () {
24                suspend();                                                                              // restart last resume
25                [fn1, fn] = [fn, fn1 + fn];                                             // general case
26        } // for
27}
28
29int ?()( Fibonacci & fib ) with( fib ) {                                // function call operator
30        return resume( fib ).fn1;                                                       // restart last suspend
31}
32
33int main() {
34        Fibonacci f1, f2;
35        for ( 10 ) {                                                                            // print N Fibonacci values
36                sout | resume( f1 ).fn | resume( f2 ).fn;
37        } // for
38}
39
40// Local Variables: //
41// tab-width: 4 //
42// compile-command: "cfa Fib2.cfa" //
43// End: //
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