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