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 : Thu Apr 27 17:05:19 2017 |
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13 | // Update Count : 40 |
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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; // FIX ME |
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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 | sout | "decompose" | endl; |
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64 | RationalImpl n, d; |
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65 | [n, d] = a; |
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66 | sout | a | n | d | endl; |
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67 | |
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68 | sout | "more tests" | endl; |
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69 | Rational x = { 1, 2 }, y = { 2 }; |
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70 | sout | x - y | endl; |
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71 | sout | x > y | endl; |
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72 | sout | x | numerator( x, 2 ) | x | endl; |
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73 | sout | y | denominator( y, -2 ) | y | endl; |
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74 | |
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75 | Rational z = { 0, 5 }; |
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76 | sout | z | endl; |
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77 | |
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78 | sout | x | numerator( x, 0 ) | x | endl; |
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79 | |
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80 | x = (Rational){ 1, MAX } + (Rational){ 1, MAX }; |
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81 | sout | x | endl; |
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82 | x = (Rational){ 3, MAX } + (Rational){ 2, MAX }; |
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83 | sout | x | endl; |
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84 | |
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85 | sin | &a | &b; |
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86 | sout | a | b | endl; |
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87 | } // main |
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88 | |
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89 | // Local Variables: // |
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90 | // tab-width: 4 // |
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91 | // compile-command: "cfa rational.c" // |
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92 | // End: // |
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