source:
examples/twice.c
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[86bd7c1f] | 1 | // |
2 | // Cforall Version 1.0.0 Copyright (C) 2015 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 | // | |
[73abe95] | 7 | // twice.c -- |
[86bd7c1f] | 8 | // |
[c3a8ecd] | 9 | // Author : Peter A. Buhr |
[86bd7c1f] | 10 | // Created On : Wed May 27 17:56:53 2015 |
11 | // Last Modified By : Peter A. Buhr | |
[200fcb3] | 12 | // Last Modified On : Tue Dec 11 23:28:08 2018 |
13 | // Update Count : 47 | |
[86bd7c1f] | 14 | // |
15 | ||
[73abe95] | 16 | #include <fstream.hfa> |
[42dcae7] | 17 | |
[c3a8ecd] | 18 | forall( otype T | { T ?+?( T, T ); } ) |
[42dcae7] | 19 | T twice( const T t ) { |
[86bd7c1f] | 20 | return t + t; |
[42dcae7] | 21 | } |
22 | ||
[c3a8ecd] | 23 | // char does not have addition |
24 | char ?+?( char op1, char op2 ) { return (int)op1 + op2; } // cast forces integer addition or recursion | |
25 | ||
26 | // signed char does not have addition | |
27 | signed char ?+?( signed char op1, signed char op2 ) { return (int)op1 + op2; } // cast forces integer addition or recursion | |
[784deab] | 28 | |
[c3a8ecd] | 29 | int main( void ) { |
[200fcb3] | 30 | sout | twice( ' ' ) | ' ' | twice( (signed char)0 ) | twice( (int)1 ) | twice( 3.2 ); |
[42dcae7] | 31 | } |
32 | ||
33 | // Local Variables: // | |
[86bd7c1f] | 34 | // tab-width: 4 // |
[d3b7937] | 35 | // compile-command: "cfa twice.c" // |
[42dcae7] | 36 | // End: // |
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