source: tests/coroutine/fibonacci.cfa @ 0e6cadf1

ast-experimental
Last change on this file since 0e6cadf1 was 5c46672, checked in by Thierry Delisle <tdelisle@…>, 3 years ago

coroutine fibonacci now uses return from resume

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File size: 1.2 KB
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[242a902]1//
[ec95d11]2// Cforall Version 1.0.0 Copyright (C) 2017 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
[242a902]6//
[71b50f36]7// fibonacci.c -- 3-state finite-state machine
[242a902]8//
[ec95d11]9// Author           : Thierry Delisle
10// Created On       : Thu Jun  8 07:29:37 2017
11// Last Modified By : Peter A. Buhr
[f8cd310]12// Last Modified On : Fri Mar 22 13:40:35 2019
13// Update Count     : 26
[242a902]14//
[ec95d11]15
[73abe95]16#include <fstream.hfa>
17#include <coroutine.hfa>
[c15b805]18
[971d9f2]19coroutine Fibonacci { int fn; };                                                // used for communication
[c15b805]20
[71b50f36]21void main( Fibonacci & fib ) with( fib ) {                              // called on first resume
[f802e46]22        int fn1, fn2;                                                                           // retained between resumes
[af1ed1ad]23        fn = 0;  fn1 = fn;                                                                      // 1st case
[427854b]24        suspend;                                                                                        // restart last resume
[af1ed1ad]25        fn = 1;  fn2 = fn1;  fn1 = fn;                                          // 2nd case
[427854b]26        suspend;                                                                                        // restart last resume
[adb6b30f]27        for () {
[71b50f36]28                fn = fn1 + fn2;  fn2 = fn1;  fn1 = fn;                  // general case
[427854b]29                suspend;                                                                                // restart last resume
[ec95d11]30        } // for
[c15b805]31}
32
[9129a84]33int main() {
[ec95d11]34        Fibonacci f1, f2;
[ae4af81]35        for ( 10 ) {                                                                            // print N Fibonacci values
[5c46672]36                sout | resume( f1 ).fn | resume( f2 ).fn;
[ec95d11]37        } // for
[0e76cf4f]38}
[ec95d11]39
40// Local Variables: //
41// tab-width: 4 //
[f8cd310]42// compile-command: "cfa fibonacci.cfa" //
[ec95d11]43// End: //
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