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1 ------------------------------------------------------------------------ |
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2 -- dqAbs.decTest -- decQuad absolute value, heeding sNaN -- |
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3 -- Copyright (c) IBM Corporation, 1981, 2007. All rights reserved. -- |
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4 ------------------------------------------------------------------------ |
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5 -- Please see the document "General Decimal Arithmetic Testcases" -- |
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6 -- at http://www2.hursley.ibm.com/decimal for the description of -- |
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7 -- these testcases. -- |
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8 -- -- |
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9 -- These testcases are experimental ('beta' versions), and they -- |
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10 -- may contain errors. They are offered on an as-is basis. In -- |
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11 -- particular, achieving the same results as the tests here is not -- |
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12 -- a guarantee that an implementation complies with any Standard -- |
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13 -- or specification. The tests are not exhaustive. -- |
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14 -- -- |
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15 -- Please send comments, suggestions, and corrections to the author: -- |
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16 -- Mike Cowlishaw, IBM Fellow -- |
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17 -- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- |
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18 -- mfc@uk.ibm.com -- |
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19 ------------------------------------------------------------------------ |
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20 version: 2.57 |
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21 |
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22 extended: 1 |
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23 clamp: 1 |
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24 precision: 34 |
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25 maxExponent: 6144 |
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26 minExponent: -6143 |
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27 rounding: half_even |
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28 |
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29 dqabs001 abs '1' -> '1' |
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30 dqabs002 abs '-1' -> '1' |
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31 dqabs003 abs '1.00' -> '1.00' |
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32 dqabs004 abs '-1.00' -> '1.00' |
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33 dqabs005 abs '0' -> '0' |
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34 dqabs006 abs '0.00' -> '0.00' |
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35 dqabs007 abs '00.0' -> '0.0' |
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36 dqabs008 abs '00.00' -> '0.00' |
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37 dqabs009 abs '00' -> '0' |
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38 |
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39 dqabs010 abs '-2' -> '2' |
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40 dqabs011 abs '2' -> '2' |
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41 dqabs012 abs '-2.00' -> '2.00' |
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42 dqabs013 abs '2.00' -> '2.00' |
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43 dqabs014 abs '-0' -> '0' |
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44 dqabs015 abs '-0.00' -> '0.00' |
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45 dqabs016 abs '-00.0' -> '0.0' |
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46 dqabs017 abs '-00.00' -> '0.00' |
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47 dqabs018 abs '-00' -> '0' |
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48 |
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49 dqabs020 abs '-2000000' -> '2000000' |
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50 dqabs021 abs '2000000' -> '2000000' |
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51 |
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52 dqabs030 abs '+0.1' -> '0.1' |
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53 dqabs031 abs '-0.1' -> '0.1' |
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54 dqabs032 abs '+0.01' -> '0.01' |
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55 dqabs033 abs '-0.01' -> '0.01' |
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56 dqabs034 abs '+0.001' -> '0.001' |
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57 dqabs035 abs '-0.001' -> '0.001' |
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58 dqabs036 abs '+0.000001' -> '0.000001' |
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59 dqabs037 abs '-0.000001' -> '0.000001' |
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60 dqabs038 abs '+0.000000000001' -> '1E-12' |
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61 dqabs039 abs '-0.000000000001' -> '1E-12' |
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62 |
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63 -- examples from decArith |
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64 dqabs040 abs '2.1' -> '2.1' |
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65 dqabs041 abs '-100' -> '100' |
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66 dqabs042 abs '101.5' -> '101.5' |
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67 dqabs043 abs '-101.5' -> '101.5' |
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68 |
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69 -- more fixed, potential LHS swaps/overlays if done by subtract 0 |
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70 dqabs060 abs '-56267E-10' -> '0.0000056267' |
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71 dqabs061 abs '-56267E-5' -> '0.56267' |
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72 dqabs062 abs '-56267E-2' -> '562.67' |
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73 dqabs063 abs '-56267E-1' -> '5626.7' |
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74 dqabs065 abs '-56267E-0' -> '56267' |
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75 |
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76 -- subnormals and underflow |
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77 |
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78 -- long operand tests |
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79 dqabs321 abs 1234567890123456 -> 1234567890123456 |
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80 dqabs322 abs 12345678000 -> 12345678000 |
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81 dqabs323 abs 1234567800 -> 1234567800 |
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82 dqabs324 abs 1234567890 -> 1234567890 |
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83 dqabs325 abs 1234567891 -> 1234567891 |
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84 dqabs326 abs 12345678901 -> 12345678901 |
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85 dqabs327 abs 1234567896 -> 1234567896 |
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86 |
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87 -- zeros |
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88 dqabs111 abs 0 -> 0 |
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89 dqabs112 abs -0 -> 0 |
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90 dqabs113 abs 0E+6 -> 0E+6 |
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91 dqabs114 abs -0E+6 -> 0E+6 |
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92 dqabs115 abs 0.0000 -> 0.0000 |
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93 dqabs116 abs -0.0000 -> 0.0000 |
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94 dqabs117 abs 0E-141 -> 0E-141 |
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95 dqabs118 abs -0E-141 -> 0E-141 |
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96 |
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97 -- full coefficients, alternating bits |
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98 dqabs121 abs 2682682682682682682682682682682682 -> 2682682682682682682682682682682682 |
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99 dqabs122 abs -2682682682682682682682682682682682 -> 2682682682682682682682682682682682 |
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100 dqabs123 abs 1341341341341341341341341341341341 -> 1341341341341341341341341341341341 |
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101 dqabs124 abs -1341341341341341341341341341341341 -> 1341341341341341341341341341341341 |
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102 |
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103 -- Nmax, Nmin, Ntiny |
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104 dqabs131 abs 9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999999E+6144 |
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105 dqabs132 abs 1E-6143 -> 1E-6143 |
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106 dqabs133 abs 1.000000000000000000000000000000000E-6143 -> 1.000000000000000000000000000000000E-6143 |
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107 dqabs134 abs 1E-6176 -> 1E-6176 Subnormal |
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108 |
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109 dqabs135 abs -1E-6176 -> 1E-6176 Subnormal |
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110 dqabs136 abs -1.000000000000000000000000000000000E-6143 -> 1.000000000000000000000000000000000E-6143 |
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111 dqabs137 abs -1E-6143 -> 1E-6143 |
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112 dqabs138 abs -9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999999E+6144 |
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113 |
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114 -- specials |
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115 dqabs520 abs 'Inf' -> 'Infinity' |
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116 dqabs521 abs '-Inf' -> 'Infinity' |
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117 dqabs522 abs NaN -> NaN |
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118 dqabs523 abs sNaN -> NaN Invalid_operation |
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119 dqabs524 abs NaN22 -> NaN22 |
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120 dqabs525 abs sNaN33 -> NaN33 Invalid_operation |
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121 dqabs526 abs -NaN22 -> -NaN22 |
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122 dqabs527 abs -sNaN33 -> -NaN33 Invalid_operation |
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123 |
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124 -- Null tests |
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125 dqabs900 abs # -> NaN Invalid_operation |
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126 |