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