# source:src/tests/rational.c@600b6c2

Last change on this file since 600b6c2 was 600b6c2, checked in by Thierry Delisle <tdelisle@…>, 8 years ago

move some more tests to new tests directory

• 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 -- test rational number package
9//
10// Author           : Peter A. Buhr
11// Created On       : Mon Mar 28 08:43:12 2016
14// Update Count     : 24
15//
16
17#include <limits>
18#include <rational>
19#include <fstream>
20
21int main() {
22        sout | "constructor" | endl;
23        Rational a = { 3 }, b = { 4 }, c;
24        sout | a | b | c | endl;
25        a = (Rational){ 4, 8 };
26        b = (Rational){ 5, 7 };
27        sout | a | b | endl;
28        a = (Rational){ -2, -3 };
29        b = (Rational){ 3, -2 };
30        sout | a | b | endl;
31        a = (Rational){ -2, 3 };
32        b = (Rational){ 3, 2 };
33        sout | a | b | endl;
34
35        sout | "logical" | endl;
36        a = (Rational){ -2 };
37        b = (Rational){ -3, 2 };
38        sout | a | b | endl;
39        sout | a == 1 | endl;
40        sout | a != b | endl;
41        sout | a <  b | endl;
42        sout | a <= b | endl;
43        sout | a >  b | endl;
44        sout | a >= b | endl;
45
46        sout | "arithmetic" | endl;
47        sout | a | b | endl;
48        sout | a + b | endl;
49        sout | a - b | endl;
50        sout | a * b | endl;
51        sout | a / b | endl;
52
53        sout | "conversion" | endl;
54        a = (Rational){ 3, 4 };
55        sout | widen( a ) | endl;
56        a = (Rational){ 1, 7 };
57        sout | widen( a ) | endl;
58        a = (Rational){ 355, 113 };
59        sout | widen( a ) | endl;
60        sout | narrow( 0.75, 4 ) | endl;
61        sout | narrow( 0.14285714285714, 16 ) | endl;
62        sout | narrow( 3.14159265358979, 256 ) | endl;
63
64        Rational x = { 1, 2 }, y = { 2 };
65        sout | x - y | endl;
66        sout | x > y | endl;
67        sout | x | numerator( x, 2 ) | x | endl;
68        sout | y | denominator( y, -2 ) | y | endl;
69
70        Rational z = { 0, 5 };
71        sout | z | endl;
72
73        sout | x | numerator( x, 0 ) | x | endl;
74
75        x = (Rational){ 1, MAX } + (Rational){ 1, MAX };
76        sout | x | endl;
77        x = (Rational){ 3, MAX } + (Rational){ 2, MAX };
78        sout | x | endl;
79
80        sin | &a | &b;
81        sout | a | b | endl;
82} // main
83
84// Local Variables: //
85// tab-width: 4 //
86// compile-command: "cfa rational.c" //
87// End: //
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