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1 ------------------------------------------------------------------------ |
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2 -- dqNextMinus.decTest -- decQuad next that is less [754r nextdown] -- |
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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: 2.58 |
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21 |
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22 -- All operands and results are decQuads. |
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23 extended: 1 |
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24 clamp: 1 |
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25 precision: 34 |
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26 maxExponent: 6144 |
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27 minExponent: -6143 |
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28 rounding: half_even |
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29 |
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30 dqnextm001 nextminus 0.9999999999999999999999999999999995 -> 0.9999999999999999999999999999999994 |
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31 dqnextm002 nextminus 0.9999999999999999999999999999999996 -> 0.9999999999999999999999999999999995 |
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32 dqnextm003 nextminus 0.9999999999999999999999999999999997 -> 0.9999999999999999999999999999999996 |
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33 dqnextm004 nextminus 0.9999999999999999999999999999999998 -> 0.9999999999999999999999999999999997 |
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34 dqnextm005 nextminus 0.9999999999999999999999999999999999 -> 0.9999999999999999999999999999999998 |
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35 dqnextm006 nextminus 1.000000000000000000000000000000000 -> 0.9999999999999999999999999999999999 |
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36 dqnextm007 nextminus 1.0 -> 0.9999999999999999999999999999999999 |
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37 dqnextm008 nextminus 1 -> 0.9999999999999999999999999999999999 |
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38 dqnextm009 nextminus 1.000000000000000000000000000000001 -> 1.000000000000000000000000000000000 |
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39 dqnextm010 nextminus 1.000000000000000000000000000000002 -> 1.000000000000000000000000000000001 |
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40 dqnextm011 nextminus 1.000000000000000000000000000000003 -> 1.000000000000000000000000000000002 |
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41 dqnextm012 nextminus 1.000000000000000000000000000000004 -> 1.000000000000000000000000000000003 |
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42 dqnextm013 nextminus 1.000000000000000000000000000000005 -> 1.000000000000000000000000000000004 |
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43 dqnextm014 nextminus 1.000000000000000000000000000000006 -> 1.000000000000000000000000000000005 |
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44 dqnextm015 nextminus 1.000000000000000000000000000000007 -> 1.000000000000000000000000000000006 |
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45 dqnextm016 nextminus 1.000000000000000000000000000000008 -> 1.000000000000000000000000000000007 |
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46 dqnextm017 nextminus 1.000000000000000000000000000000009 -> 1.000000000000000000000000000000008 |
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47 dqnextm018 nextminus 1.000000000000000000000000000000010 -> 1.000000000000000000000000000000009 |
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48 dqnextm019 nextminus 1.000000000000000000000000000000011 -> 1.000000000000000000000000000000010 |
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49 dqnextm020 nextminus 1.000000000000000000000000000000012 -> 1.000000000000000000000000000000011 |
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50 |
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51 dqnextm021 nextminus -0.9999999999999999999999999999999995 -> -0.9999999999999999999999999999999996 |
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52 dqnextm022 nextminus -0.9999999999999999999999999999999996 -> -0.9999999999999999999999999999999997 |
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53 dqnextm023 nextminus -0.9999999999999999999999999999999997 -> -0.9999999999999999999999999999999998 |
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54 dqnextm024 nextminus -0.9999999999999999999999999999999998 -> -0.9999999999999999999999999999999999 |
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55 dqnextm025 nextminus -0.9999999999999999999999999999999999 -> -1.000000000000000000000000000000000 |
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56 dqnextm026 nextminus -1.000000000000000000000000000000000 -> -1.000000000000000000000000000000001 |
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57 dqnextm027 nextminus -1.0 -> -1.000000000000000000000000000000001 |
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58 dqnextm028 nextminus -1 -> -1.000000000000000000000000000000001 |
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59 dqnextm029 nextminus -1.000000000000000000000000000000001 -> -1.000000000000000000000000000000002 |
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60 dqnextm030 nextminus -1.000000000000000000000000000000002 -> -1.000000000000000000000000000000003 |
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61 dqnextm031 nextminus -1.000000000000000000000000000000003 -> -1.000000000000000000000000000000004 |
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62 dqnextm032 nextminus -1.000000000000000000000000000000004 -> -1.000000000000000000000000000000005 |
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63 dqnextm033 nextminus -1.000000000000000000000000000000005 -> -1.000000000000000000000000000000006 |
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64 dqnextm034 nextminus -1.000000000000000000000000000000006 -> -1.000000000000000000000000000000007 |
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65 dqnextm035 nextminus -1.000000000000000000000000000000007 -> -1.000000000000000000000000000000008 |
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66 dqnextm036 nextminus -1.000000000000000000000000000000008 -> -1.000000000000000000000000000000009 |
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67 dqnextm037 nextminus -1.000000000000000000000000000000009 -> -1.000000000000000000000000000000010 |
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68 dqnextm038 nextminus -1.000000000000000000000000000000010 -> -1.000000000000000000000000000000011 |
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69 dqnextm039 nextminus -1.000000000000000000000000000000011 -> -1.000000000000000000000000000000012 |
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70 |
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71 -- ultra-tiny inputs |
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72 dqnextm062 nextminus 1E-6176 -> 0E-6176 |
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73 dqnextm065 nextminus -1E-6176 -> -2E-6176 |
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74 |
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75 -- Zeros |
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76 dqnextm100 nextminus -0 -> -1E-6176 |
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77 dqnextm101 nextminus 0 -> -1E-6176 |
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78 dqnextm102 nextminus 0.00 -> -1E-6176 |
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79 dqnextm103 nextminus -0.00 -> -1E-6176 |
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80 dqnextm104 nextminus 0E-300 -> -1E-6176 |
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81 dqnextm105 nextminus 0E+300 -> -1E-6176 |
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82 dqnextm106 nextminus 0E+30000 -> -1E-6176 |
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83 dqnextm107 nextminus -0E+30000 -> -1E-6176 |
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84 |
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85 -- specials |
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86 dqnextm150 nextminus Inf -> 9.999999999999999999999999999999999E+6144 |
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87 dqnextm151 nextminus -Inf -> -Infinity |
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88 dqnextm152 nextminus NaN -> NaN |
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89 dqnextm153 nextminus sNaN -> NaN Invalid_operation |
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90 dqnextm154 nextminus NaN77 -> NaN77 |
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91 dqnextm155 nextminus sNaN88 -> NaN88 Invalid_operation |
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92 dqnextm156 nextminus -NaN -> -NaN |
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93 dqnextm157 nextminus -sNaN -> -NaN Invalid_operation |
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94 dqnextm158 nextminus -NaN77 -> -NaN77 |
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95 dqnextm159 nextminus -sNaN88 -> -NaN88 Invalid_operation |
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96 |
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97 -- Nmax, Nmin, Ntiny, subnormals |
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98 dqnextm170 nextminus 9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999998E+6144 |
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99 dqnextm171 nextminus 9.999999999999999999999999999999998E+6144 -> 9.999999999999999999999999999999997E+6144 |
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100 dqnextm172 nextminus 1E-6143 -> 9.99999999999999999999999999999999E-6144 |
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101 dqnextm173 nextminus 1.000000000000000000000000000000000E-6143 -> 9.99999999999999999999999999999999E-6144 |
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102 dqnextm174 nextminus 9E-6176 -> 8E-6176 |
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103 dqnextm175 nextminus 9.9E-6175 -> 9.8E-6175 |
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104 dqnextm176 nextminus 9.99999999999999999999999999999E-6147 -> 9.99999999999999999999999999998E-6147 |
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105 dqnextm177 nextminus 9.99999999999999999999999999999999E-6144 -> 9.99999999999999999999999999999998E-6144 |
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106 dqnextm178 nextminus 9.99999999999999999999999999999998E-6144 -> 9.99999999999999999999999999999997E-6144 |
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107 dqnextm179 nextminus 9.99999999999999999999999999999997E-6144 -> 9.99999999999999999999999999999996E-6144 |
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108 dqnextm180 nextminus 0E-6176 -> -1E-6176 |
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109 dqnextm181 nextminus 1E-6176 -> 0E-6176 |
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110 dqnextm182 nextminus 2E-6176 -> 1E-6176 |
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111 |
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112 dqnextm183 nextminus -0E-6176 -> -1E-6176 |
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113 dqnextm184 nextminus -1E-6176 -> -2E-6176 |
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114 dqnextm185 nextminus -2E-6176 -> -3E-6176 |
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115 dqnextm186 nextminus -10E-6176 -> -1.1E-6175 |
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116 dqnextm187 nextminus -100E-6176 -> -1.01E-6174 |
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117 dqnextm188 nextminus -100000E-6176 -> -1.00001E-6171 |
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118 dqnextm189 nextminus -1.00000000000000000000000000000E-6143 -> -1.000000000000000000000000000000001E-6143 |
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119 dqnextm190 nextminus -1.000000000000000000000000000000000E-6143 -> -1.000000000000000000000000000000001E-6143 |
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120 dqnextm191 nextminus -1E-6143 -> -1.000000000000000000000000000000001E-6143 |
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121 dqnextm192 nextminus -9.999999999999999999999999999999998E+6144 -> -9.999999999999999999999999999999999E+6144 |
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122 dqnextm193 nextminus -9.999999999999999999999999999999999E+6144 -> -Infinity |
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123 |
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124 -- Null tests |
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125 dqnextm900 nextminus # -> NaN Invalid_operation |
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126 |