1 | ------------------------------------------------------------------------ |
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2 | -- abs.decTest -- decimal absolute value -- |
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3 | -- Copyright (c) IBM Corporation, 1981, 2008. 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: 2.59 |
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21 | |
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22 | -- This set of tests primarily tests the existence of the operator. |
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23 | -- Additon, subtraction, rounding, and more overflows are tested |
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24 | -- elsewhere. |
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25 | |
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26 | precision: 9 |
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27 | rounding: half_up |
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28 | maxExponent: 384 |
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29 | minexponent: -383 |
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30 | extended: 1 |
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31 | |
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32 | absx001 abs '1' -> '1' |
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33 | absx002 abs '-1' -> '1' |
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34 | absx003 abs '1.00' -> '1.00' |
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35 | absx004 abs '-1.00' -> '1.00' |
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36 | absx005 abs '0' -> '0' |
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37 | absx006 abs '0.00' -> '0.00' |
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38 | absx007 abs '00.0' -> '0.0' |
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39 | absx008 abs '00.00' -> '0.00' |
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40 | absx009 abs '00' -> '0' |
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41 | |
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42 | absx010 abs '-2' -> '2' |
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43 | absx011 abs '2' -> '2' |
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44 | absx012 abs '-2.00' -> '2.00' |
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45 | absx013 abs '2.00' -> '2.00' |
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46 | absx014 abs '-0' -> '0' |
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47 | absx015 abs '-0.00' -> '0.00' |
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48 | absx016 abs '-00.0' -> '0.0' |
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49 | absx017 abs '-00.00' -> '0.00' |
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50 | absx018 abs '-00' -> '0' |
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51 | |
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52 | absx020 abs '-2000000' -> '2000000' |
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53 | absx021 abs '2000000' -> '2000000' |
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54 | precision: 7 |
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55 | absx022 abs '-2000000' -> '2000000' |
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56 | absx023 abs '2000000' -> '2000000' |
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57 | precision: 6 |
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58 | absx024 abs '-2000000' -> '2.00000E+6' Rounded |
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59 | absx025 abs '2000000' -> '2.00000E+6' Rounded |
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60 | precision: 3 |
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61 | absx026 abs '-2000000' -> '2.00E+6' Rounded |
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62 | absx027 abs '2000000' -> '2.00E+6' Rounded |
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63 | |
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64 | absx030 abs '+0.1' -> '0.1' |
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65 | absx031 abs '-0.1' -> '0.1' |
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66 | absx032 abs '+0.01' -> '0.01' |
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67 | absx033 abs '-0.01' -> '0.01' |
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68 | absx034 abs '+0.001' -> '0.001' |
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69 | absx035 abs '-0.001' -> '0.001' |
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70 | absx036 abs '+0.000001' -> '0.000001' |
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71 | absx037 abs '-0.000001' -> '0.000001' |
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72 | absx038 abs '+0.000000000001' -> '1E-12' |
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73 | absx039 abs '-0.000000000001' -> '1E-12' |
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74 | |
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75 | -- examples from decArith |
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76 | precision: 9 |
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77 | absx040 abs '2.1' -> '2.1' |
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78 | absx041 abs '-100' -> '100' |
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79 | absx042 abs '101.5' -> '101.5' |
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80 | absx043 abs '-101.5' -> '101.5' |
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81 | |
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82 | -- more fixed, potential LHS swaps/overlays if done by subtract 0 |
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83 | precision: 9 |
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84 | absx060 abs '-56267E-10' -> '0.0000056267' |
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85 | absx061 abs '-56267E-5' -> '0.56267' |
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86 | absx062 abs '-56267E-2' -> '562.67' |
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87 | absx063 abs '-56267E-1' -> '5626.7' |
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88 | absx065 abs '-56267E-0' -> '56267' |
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89 | |
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90 | -- overflow tests |
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91 | maxexponent: 999999999 |
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92 | minexponent: -999999999 |
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93 | precision: 3 |
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94 | absx120 abs 9.999E+999999999 -> Infinity Inexact Overflow Rounded |
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95 | |
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96 | -- subnormals and underflow |
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97 | precision: 3 |
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98 | maxexponent: 999 |
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99 | minexponent: -999 |
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100 | absx210 abs 1.00E-999 -> 1.00E-999 |
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101 | absx211 abs 0.1E-999 -> 1E-1000 Subnormal |
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102 | absx212 abs 0.10E-999 -> 1.0E-1000 Subnormal |
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103 | absx213 abs 0.100E-999 -> 1.0E-1000 Subnormal Rounded |
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104 | absx214 abs 0.01E-999 -> 1E-1001 Subnormal |
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105 | -- next is rounded to Emin |
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106 | absx215 abs 0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow |
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107 | absx216 abs 0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow |
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108 | absx217 abs 0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow |
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109 | absx218 abs 0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
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110 | absx219 abs 0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
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111 | absx220 abs 0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
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112 | |
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113 | absx230 abs -1.00E-999 -> 1.00E-999 |
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114 | absx231 abs -0.1E-999 -> 1E-1000 Subnormal |
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115 | absx232 abs -0.10E-999 -> 1.0E-1000 Subnormal |
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116 | absx233 abs -0.100E-999 -> 1.0E-1000 Subnormal Rounded |
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117 | absx234 abs -0.01E-999 -> 1E-1001 Subnormal |
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118 | -- next is rounded to Emin |
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119 | absx235 abs -0.999E-999 -> 1.00E-999 Inexact Rounded Subnormal Underflow |
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120 | absx236 abs -0.099E-999 -> 1.0E-1000 Inexact Rounded Subnormal Underflow |
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121 | absx237 abs -0.009E-999 -> 1E-1001 Inexact Rounded Subnormal Underflow |
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122 | absx238 abs -0.001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
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123 | absx239 abs -0.0009E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
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124 | absx240 abs -0.0001E-999 -> 0E-1001 Inexact Rounded Subnormal Underflow Clamped |
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125 | |
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126 | -- long operand tests |
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127 | maxexponent: 999 |
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128 | minexponent: -999 |
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129 | precision: 9 |
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130 | absx301 abs 12345678000 -> 1.23456780E+10 Rounded |
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131 | absx302 abs 1234567800 -> 1.23456780E+9 Rounded |
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132 | absx303 abs 1234567890 -> 1.23456789E+9 Rounded |
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133 | absx304 abs 1234567891 -> 1.23456789E+9 Inexact Rounded |
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134 | absx305 abs 12345678901 -> 1.23456789E+10 Inexact Rounded |
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135 | absx306 abs 1234567896 -> 1.23456790E+9 Inexact Rounded |
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136 | |
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137 | precision: 15 |
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138 | absx321 abs 12345678000 -> 12345678000 |
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139 | absx322 abs 1234567800 -> 1234567800 |
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140 | absx323 abs 1234567890 -> 1234567890 |
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141 | absx324 abs 1234567891 -> 1234567891 |
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142 | absx325 abs 12345678901 -> 12345678901 |
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143 | absx326 abs 1234567896 -> 1234567896 |
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144 | |
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145 | |
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146 | -- Specials |
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147 | precision: 9 |
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148 | |
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149 | -- specials |
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150 | absx520 abs 'Inf' -> 'Infinity' |
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151 | absx521 abs '-Inf' -> 'Infinity' |
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152 | absx522 abs NaN -> NaN |
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153 | absx523 abs sNaN -> NaN Invalid_operation |
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154 | absx524 abs NaN22 -> NaN22 |
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155 | absx525 abs sNaN33 -> NaN33 Invalid_operation |
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156 | absx526 abs -NaN22 -> -NaN22 |
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157 | absx527 abs -sNaN33 -> -NaN33 Invalid_operation |
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158 | |
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159 | -- Null tests |
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160 | absx900 abs # -> NaN Invalid_operation |
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161 | |
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