# source:src/examples/rational.c@3d9b5da

Last change on this file since 3d9b5da was 3d9b5da, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago

fix library includes from < to ", and generalize rational IO to use iostream from fstream

• Property mode set to `100644`
File size: 2.1 KB
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1//                               -*- Mode: C -*-
2//
3// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
4//
5// The contents of this file are covered under the licence agreement in the
6// file "LICENCE" distributed with Cforall.
7//
8// rational.c --
9//
10// Author           : Peter A. Buhr
11// Created On       : Mon Mar 28 08:43:12 2016
12// Last Modified By : Peter A. Buhr
13// Last Modified On : Thu Apr  7 17:25:44 2016
14// Update Count     : 20
15//
16
17#include <limits>
18#include <rational>
19#include <fstream>
20
21int main() {
22        Rational a, b, c;
23        sout | "constructor" | endl;
24        a = rational( 3 );
25        b = rational( 4 );
26        c = rational();
27        sout | a | b | c | endl;
28        a = rational( 4, 8 );
29        b = rational( 5, 7 );
30        sout | a | b | endl;
31        a = rational( -2, -3 );
32        b = rational( 3, -2 );
33        sout | a | b | endl;
34        a = rational( -2, 3 );
35        b = rational( 3, 2 );
36        sout | a | b | endl;
37
38        sout | "logical" | endl;
39        a = rational( -2 );
40        b = rational( -3, 2 );
41        sout | a | b | endl;
42        sout | a == 1 | endl;
43        sout | a != b | endl;
44        sout | a <  b | endl;
45        sout | a <= b | endl;
46        sout | a >  b | endl;
47        sout | a >= b | endl;
48
49        sout | "arithmetic" | endl;
50        sout | a | b | endl;
51        sout | a + b | endl;
52        sout | a - b | endl;
53        sout | a * b | endl;
54        sout | a / b | endl;
55
56        sout | "conversion" | endl;
57        a = rational( 3, 4 );
58        sout | widen( a ) | endl;
59        a = rational( 1, 7 );
60        sout | widen( a ) | endl;
61        a = rational( 355, 113 );
62        sout | widen( a ) | endl;
63        sout | narrow( 0.75, 4 ) | endl;
64        sout | narrow( 0.14285714285714, 16 ) | endl;
65        sout | narrow( 3.14159265358979, 256 ) | endl;
66
67        Rational x, y;
68        x = rational( 1, 2 );
69        y = rational( 2 );
70        sout | x - y | endl;
71        sout | x > y | endl;
72        sout | x | numerator( x, 2 ) | x | endl;
73        sout | y | denominator( y, -2 ) | y | endl;
74
75        Rational z;
76        z = rational( 0, 5 );
77        sout | z | endl;
78
79        sout | x | numerator( x, 0 ) | x | endl;
80
81        x = rational( 1, MAX ) + rational( 1, MAX );
82        sout | x | endl;
83        x = rational( 3, MAX ) + rational( 2, MAX );
84        sout | x | endl;
85
86        sin | &a | &b;
87        sout | a | b | endl;
88} // main
89
90// Local Variables: //
91// tab-width: 4 //
92// compile-command: "cfa rational.c" //
93// End: //
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