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.cfa -- 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 : Mon Jun 5 22:58:09 2023 |
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13 | // Update Count : 108 |
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14 | // |
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15 | |
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16 | #include <rational.hfa> |
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17 | #include <limits.hfa> |
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18 | #include <stdlib.hfa> |
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19 | #include <fstream.hfa> |
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20 | |
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21 | typedef rational(int) rat_int; |
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22 | double convert( int i ) { return (double)i; } // used by narrow/widen |
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23 | int convert( double d ) { return (int)d; } |
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24 | |
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25 | int main() { |
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26 | sout | "constructor"; |
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27 | rat_int a = { 3 }, b = { 4 }, c, d = 0, e = 1; |
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28 | sout | "a : " | a | "b : " | b | "c : " | c | "d : " | d | "e : " | e; |
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29 | |
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30 | a = (rat_int){ 4, 8 }; |
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31 | b = (rat_int){ 5, 7 }; |
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32 | sout | "a : " | a | "b : " | b; |
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33 | a = (rat_int){ -2, -3 }; |
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34 | b = (rat_int){ 3, -2 }; |
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35 | sout | "a : " | a | "b : " | b; |
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36 | a = (rat_int){ -2, 3 }; |
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37 | b = (rat_int){ 3, 2 }; |
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38 | sout | "a : " | a | "b : " | b; |
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39 | sout | nl; |
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40 | |
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41 | sout | "comparison"; |
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42 | a = (rat_int){ -2 }; |
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43 | b = (rat_int){ -3, 2 }; |
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44 | sout | "a : " | a | "b : " | b; |
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45 | sout | "a == 0 : " | a == (rational(int)){0}; // FIX ME |
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46 | sout | "a == 1 : " | a == (rational(int)){1}; // FIX ME |
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47 | sout | "a != 0 : " | a != 0; |
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48 | sout | "! a : " | ! a; |
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49 | sout | "a != b : " | a != b; |
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50 | sout | "a < b : " | a < b; |
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51 | sout | "a <= b : " | a <= b; |
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52 | sout | "a > b : " | a > b; |
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53 | sout | "a >= b : " | a >= b; |
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54 | sout | nl; |
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55 | |
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56 | sout | "arithmetic"; |
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57 | sout | "a : " | a | "b : " | b; |
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58 | sout | "a + b : " | a + b; |
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59 | sout | "a += b : " | (a += b); |
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60 | sout | "++a : " | ++a; |
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61 | sout | "a++ : " | a++; |
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62 | sout | "a : " | a; |
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63 | sout | "a - b : " | a - b; |
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64 | sout | "a -= b : " | (a -= b); |
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65 | sout | "--a : " | --a; |
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66 | sout | "a-- : " | a--; |
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67 | sout | "a : " | a; |
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68 | sout | "a * b : " | a * b; |
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69 | sout | "a / b : " | a / b; |
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70 | sout | "a \\ 2 : " | a \ 2u | "b \\ 2 : " | b \ 2u; |
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71 | sout | "a \\ -2 : " | a \ -2 | "b \\ -2 : " | b \ -2; |
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72 | sout | nl; |
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73 | |
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74 | sout | "conversion"; |
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75 | a = (rat_int){ 3, 4 }; |
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76 | sout | widen( a ); |
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77 | a = (rat_int){ 1, 7 }; |
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78 | sout | widen( a ); |
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79 | a = (rat_int){ 355, 113 }; |
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80 | sout | widen( a ); |
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81 | sout | narrow( 0.75, 4 ); |
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82 | sout | narrow( 0.14285714285714, 16 ); |
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83 | sout | narrow( 3.14159265358979, 256 ); |
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84 | sout | nl; |
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85 | |
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86 | // sout | "decompose"; |
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87 | // int n, d; |
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88 | // [n, d] = a; |
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89 | // sout | a | n | d; |
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90 | |
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91 | sout | "more tests"; |
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92 | rat_int x = { 1, 2 }, y = { 2 }; |
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93 | sout | x - y; |
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94 | sout | x > y; |
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95 | sout | x | numerator( x, 2 ) | x; |
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96 | sout | y | denominator( y, -2 ) | y; |
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97 | |
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98 | rat_int z = { 0, 5 }; |
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99 | sout | z; |
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100 | |
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101 | sout | x | numerator( x, 0 ) | x; |
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102 | |
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103 | x = (rat_int){ 1, MAX } + (rat_int){ 1, MAX }; |
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104 | sout | x; |
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105 | x = (rat_int){ 3, MAX } + (rat_int){ 2, MAX }; |
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106 | sout | x; |
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107 | |
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108 | sin | a | b; |
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109 | sout | a | b; |
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110 | } // main |
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111 | |
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112 | // Local Variables: // |
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113 | // tab-width: 4 // |
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114 | // compile-command: "cfa rational.cfa" // |
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115 | // End: // |
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