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1 ------------------------------------------------------------------------ |
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2 -- scaleb.decTest -- scale a number by powers of 10 -- |
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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 extended: 1 |
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23 precision: 9 |
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24 rounding: half_up |
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25 maxExponent: 999 |
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26 minExponent: -999 |
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27 |
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28 -- Max |rhs| is 2*(999+9) = 2016 |
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29 |
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30 -- Sanity checks |
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31 scbx001 scaleb 7.50 10 -> 7.50E+10 |
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32 scbx002 scaleb 7.50 3 -> 7.50E+3 |
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33 scbx003 scaleb 7.50 2 -> 750 |
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34 scbx004 scaleb 7.50 1 -> 75.0 |
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35 scbx005 scaleb 7.50 0 -> 7.50 |
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36 scbx006 scaleb 7.50 -1 -> 0.750 |
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37 scbx007 scaleb 7.50 -2 -> 0.0750 |
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38 scbx008 scaleb 7.50 -10 -> 7.50E-10 |
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39 scbx009 scaleb -7.50 3 -> -7.50E+3 |
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40 scbx010 scaleb -7.50 2 -> -750 |
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41 scbx011 scaleb -7.50 1 -> -75.0 |
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42 scbx012 scaleb -7.50 0 -> -7.50 |
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43 scbx013 scaleb -7.50 -1 -> -0.750 |
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44 |
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45 -- Infinities |
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46 scbx014 scaleb Infinity 1 -> Infinity |
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47 scbx015 scaleb -Infinity 2 -> -Infinity |
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48 scbx016 scaleb Infinity -1 -> Infinity |
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49 scbx017 scaleb -Infinity -2 -> -Infinity |
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50 |
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51 -- Next two are somewhat undefined in 754r; treat as non-integer |
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52 scbx018 scaleb 10 Infinity -> NaN Invalid_operation |
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53 scbx019 scaleb 10 -Infinity -> NaN Invalid_operation |
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54 |
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55 -- NaNs are undefined in 754r; assume usual processing |
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56 -- NaNs, 0 payload |
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57 scbx021 scaleb NaN 1 -> NaN |
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58 scbx022 scaleb -NaN -1 -> -NaN |
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59 scbx023 scaleb sNaN 1 -> NaN Invalid_operation |
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60 scbx024 scaleb -sNaN 1 -> -NaN Invalid_operation |
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61 scbx025 scaleb 4 NaN -> NaN |
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62 scbx026 scaleb -Inf -NaN -> -NaN |
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63 scbx027 scaleb 4 sNaN -> NaN Invalid_operation |
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64 scbx028 scaleb Inf -sNaN -> -NaN Invalid_operation |
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65 |
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66 -- non-integer RHS |
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67 scbx030 scaleb 1.23 1 -> 12.3 |
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68 scbx031 scaleb 1.23 1.00 -> NaN Invalid_operation |
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69 scbx032 scaleb 1.23 1.1 -> NaN Invalid_operation |
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70 scbx033 scaleb 1.23 1.01 -> NaN Invalid_operation |
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71 scbx034 scaleb 1.23 0.01 -> NaN Invalid_operation |
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72 scbx035 scaleb 1.23 0.11 -> NaN Invalid_operation |
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73 scbx036 scaleb 1.23 0.999999999 -> NaN Invalid_operation |
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74 scbx037 scaleb 1.23 -1 -> 0.123 |
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75 scbx038 scaleb 1.23 -1.00 -> NaN Invalid_operation |
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76 scbx039 scaleb 1.23 -1.1 -> NaN Invalid_operation |
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77 scbx040 scaleb 1.23 -1.01 -> NaN Invalid_operation |
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78 scbx041 scaleb 1.23 -0.01 -> NaN Invalid_operation |
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79 scbx042 scaleb 1.23 -0.11 -> NaN Invalid_operation |
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80 scbx043 scaleb 1.23 -0.999999999 -> NaN Invalid_operation |
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81 scbx044 scaleb 1.23 0.1 -> NaN Invalid_operation |
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82 scbx045 scaleb 1.23 1E+1 -> NaN Invalid_operation |
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83 scbx046 scaleb 1.23 1.1234E+6 -> NaN Invalid_operation |
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84 scbx047 scaleb 1.23 1.123E+4 -> NaN Invalid_operation |
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85 |
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86 |
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87 scbx120 scaleb 1.23 2015 -> Infinity Overflow Inexact Rounded |
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88 scbx121 scaleb 1.23 2016 -> Infinity Overflow Inexact Rounded |
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89 scbx122 scaleb 1.23 2017 -> NaN Invalid_operation |
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90 scbx123 scaleb 1.23 2018 -> NaN Invalid_operation |
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91 scbx124 scaleb 1.23 -2015 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped |
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92 scbx125 scaleb 1.23 -2016 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped |
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93 scbx126 scaleb 1.23 -2017 -> NaN Invalid_operation |
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94 scbx127 scaleb 1.23 -2018 -> NaN Invalid_operation |
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95 |
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96 -- NaNs, non-0 payload |
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97 -- propagating NaNs |
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98 scbx861 scaleb NaN01 -Inf -> NaN1 |
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99 scbx862 scaleb -NaN02 -1000 -> -NaN2 |
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100 scbx863 scaleb NaN03 1000 -> NaN3 |
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101 scbx864 scaleb NaN04 Inf -> NaN4 |
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102 scbx865 scaleb NaN05 NaN61 -> NaN5 |
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103 scbx866 scaleb -Inf -NaN71 -> -NaN71 |
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104 scbx867 scaleb -1000 NaN81 -> NaN81 |
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105 scbx868 scaleb 1000 NaN91 -> NaN91 |
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106 scbx869 scaleb Inf NaN101 -> NaN101 |
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107 scbx871 scaleb sNaN011 -Inf -> NaN11 Invalid_operation |
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108 scbx872 scaleb sNaN012 -1000 -> NaN12 Invalid_operation |
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109 scbx873 scaleb -sNaN013 1000 -> -NaN13 Invalid_operation |
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110 scbx874 scaleb sNaN014 NaN171 -> NaN14 Invalid_operation |
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111 scbx875 scaleb sNaN015 sNaN181 -> NaN15 Invalid_operation |
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112 scbx876 scaleb NaN016 sNaN191 -> NaN191 Invalid_operation |
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113 scbx877 scaleb -Inf sNaN201 -> NaN201 Invalid_operation |
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114 scbx878 scaleb -1000 sNaN211 -> NaN211 Invalid_operation |
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115 scbx879 scaleb 1000 -sNaN221 -> -NaN221 Invalid_operation |
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116 scbx880 scaleb Inf sNaN231 -> NaN231 Invalid_operation |
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117 scbx881 scaleb NaN025 sNaN241 -> NaN241 Invalid_operation |
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118 |
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119 -- finites |
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120 scbx051 scaleb 7 -2 -> 0.07 |
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121 scbx052 scaleb -7 -2 -> -0.07 |
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122 scbx053 scaleb 75 -2 -> 0.75 |
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123 scbx054 scaleb -75 -2 -> -0.75 |
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124 scbx055 scaleb 7.50 -2 -> 0.0750 |
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125 scbx056 scaleb -7.50 -2 -> -0.0750 |
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126 scbx057 scaleb 7.500 -2 -> 0.07500 |
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127 scbx058 scaleb -7.500 -2 -> -0.07500 |
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128 scbx061 scaleb 7 -1 -> 0.7 |
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129 scbx062 scaleb -7 -1 -> -0.7 |
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130 scbx063 scaleb 75 -1 -> 7.5 |
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131 scbx064 scaleb -75 -1 -> -7.5 |
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132 scbx065 scaleb 7.50 -1 -> 0.750 |
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133 scbx066 scaleb -7.50 -1 -> -0.750 |
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134 scbx067 scaleb 7.500 -1 -> 0.7500 |
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135 scbx068 scaleb -7.500 -1 -> -0.7500 |
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136 scbx071 scaleb 7 0 -> 7 |
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137 scbx072 scaleb -7 0 -> -7 |
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138 scbx073 scaleb 75 0 -> 75 |
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139 scbx074 scaleb -75 0 -> -75 |
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140 scbx075 scaleb 7.50 0 -> 7.50 |
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141 scbx076 scaleb -7.50 0 -> -7.50 |
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142 scbx077 scaleb 7.500 0 -> 7.500 |
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143 scbx078 scaleb -7.500 0 -> -7.500 |
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144 scbx081 scaleb 7 1 -> 7E+1 |
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145 scbx082 scaleb -7 1 -> -7E+1 |
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146 scbx083 scaleb 75 1 -> 7.5E+2 |
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147 scbx084 scaleb -75 1 -> -7.5E+2 |
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148 scbx085 scaleb 7.50 1 -> 75.0 |
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149 scbx086 scaleb -7.50 1 -> -75.0 |
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150 scbx087 scaleb 7.500 1 -> 75.00 |
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151 scbx088 scaleb -7.500 1 -> -75.00 |
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152 scbx091 scaleb 7 2 -> 7E+2 |
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153 scbx092 scaleb -7 2 -> -7E+2 |
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154 scbx093 scaleb 75 2 -> 7.5E+3 |
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155 scbx094 scaleb -75 2 -> -7.5E+3 |
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156 scbx095 scaleb 7.50 2 -> 750 |
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157 scbx096 scaleb -7.50 2 -> -750 |
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158 scbx097 scaleb 7.500 2 -> 750.0 |
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159 scbx098 scaleb -7.500 2 -> -750.0 |
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160 |
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161 -- zeros |
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162 scbx111 scaleb 0 1 -> 0E+1 |
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163 scbx112 scaleb -0 2 -> -0E+2 |
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164 scbx113 scaleb 0E+4 3 -> 0E+7 |
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165 scbx114 scaleb -0E+4 4 -> -0E+8 |
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166 scbx115 scaleb 0.0000 5 -> 0E+1 |
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167 scbx116 scaleb -0.0000 6 -> -0E+2 |
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168 scbx117 scaleb 0E-141 7 -> 0E-134 |
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169 scbx118 scaleb -0E-141 8 -> -0E-133 |
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170 |
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171 -- Nmax, Nmin, Ntiny |
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172 scbx132 scaleb 9.99999999E+999 +999 -> Infinity Overflow Inexact Rounded |
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173 scbx133 scaleb 9.99999999E+999 +10 -> Infinity Overflow Inexact Rounded |
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174 scbx134 scaleb 9.99999999E+999 +1 -> Infinity Overflow Inexact Rounded |
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175 scbx135 scaleb 9.99999999E+999 0 -> 9.99999999E+999 |
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176 scbx136 scaleb 9.99999999E+999 -1 -> 9.99999999E+998 |
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177 scbx137 scaleb 1E-999 +1 -> 1E-998 |
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178 scbx138 scaleb 1E-999 -0 -> 1E-999 |
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179 scbx139 scaleb 1E-999 -1 -> 1E-1000 Subnormal |
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180 scbx140 scaleb 1.00000000E-999 +1 -> 1.00000000E-998 |
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181 scbx141 scaleb 1.00000000E-999 0 -> 1.00000000E-999 |
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182 scbx142 scaleb 1.00000000E-999 -1 -> 1.0000000E-1000 Subnormal Rounded |
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183 scbx143 scaleb 1E-1007 +1 -> 1E-1006 Subnormal |
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184 scbx144 scaleb 1E-1007 -0 -> 1E-1007 Subnormal |
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185 scbx145 scaleb 1E-1007 -1 -> 0E-1007 Underflow Subnormal Inexact Rounded Clamped |
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186 |
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187 scbx150 scaleb -1E-1007 +1 -> -1E-1006 Subnormal |
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188 scbx151 scaleb -1E-1007 -0 -> -1E-1007 Subnormal |
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189 scbx152 scaleb -1E-1007 -1 -> -0E-1007 Underflow Subnormal Inexact Rounded Clamped |
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190 scbx153 scaleb -1.00000000E-999 +1 -> -1.00000000E-998 |
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191 scbx154 scaleb -1.00000000E-999 +0 -> -1.00000000E-999 |
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192 scbx155 scaleb -1.00000000E-999 -1 -> -1.0000000E-1000 Subnormal Rounded |
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193 scbx156 scaleb -1E-999 +1 -> -1E-998 |
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194 scbx157 scaleb -1E-999 -0 -> -1E-999 |
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195 scbx158 scaleb -1E-999 -1 -> -1E-1000 Subnormal |
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196 scbx159 scaleb -9.99999999E+999 +1 -> -Infinity Overflow Inexact Rounded |
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197 scbx160 scaleb -9.99999999E+999 +0 -> -9.99999999E+999 |
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198 scbx161 scaleb -9.99999999E+999 -1 -> -9.99999999E+998 |
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199 scbx162 scaleb -9E+999 +1 -> -Infinity Overflow Inexact Rounded |
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200 scbx163 scaleb -1E+999 +1 -> -Infinity Overflow Inexact Rounded |