source: tests/coroutine/fibonacci.cfa @ 85eafc5

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 85eafc5 was 427854b, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

First draft implementation of generators, still missing error checking, testing and clean-up

  • Property mode set to 100644
File size: 1.3 KB
RevLine 
[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
[971d9f2]33int next( Fibonacci & fib ) with( fib ) {
34        resume( fib );                                                                          // restart last suspend
35        return fn;
[c15b805]36}
37
[9129a84]38int main() {
[ec95d11]39        Fibonacci f1, f2;
[ae4af81]40        for ( 10 ) {                                                                            // print N Fibonacci values
[200fcb3]41                sout | next( f1 ) | next( f2 );
[ec95d11]42        } // for
[0e76cf4f]43}
[ec95d11]44
45// Local Variables: //
46// tab-width: 4 //
[f8cd310]47// compile-command: "cfa fibonacci.cfa" //
[ec95d11]48// End: //
Note: See TracBrowser for help on using the repository browser.