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1 ------------------------------------------------------------------------ |
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2 -- copysign.decTest -- quiet copy with sign from rhs -- |
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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 -- Sanity check, and examples from decArith |
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29 cpsx001 copysign +7.50 11 -> 7.50 |
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30 cpsx002 copysign '1.50' '7.33' -> 1.50 |
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31 cpsx003 copysign '-1.50' '7.33' -> 1.50 |
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32 cpsx004 copysign '1.50' '-7.33' -> -1.50 |
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33 cpsx005 copysign '-1.50' '-7.33' -> -1.50 |
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34 |
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35 -- Infinities |
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36 cpsx011 copysign Infinity 11 -> Infinity |
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37 cpsx012 copysign -Infinity 11 -> Infinity |
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38 |
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39 -- NaNs, 0 payload |
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40 cpsx021 copysign NaN 11 -> NaN |
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41 cpsx022 copysign -NaN 11 -> NaN |
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42 cpsx023 copysign sNaN 11 -> sNaN |
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43 cpsx024 copysign -sNaN 11 -> sNaN |
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44 |
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45 -- NaNs, non-0 payload |
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46 cpsx031 copysign NaN10 11 -> NaN10 |
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47 cpsx032 copysign -NaN10 11 -> NaN10 |
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48 cpsx033 copysign sNaN10 11 -> sNaN10 |
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49 cpsx034 copysign -sNaN10 11 -> sNaN10 |
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50 cpsx035 copysign NaN7 11 -> NaN7 |
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51 cpsx036 copysign -NaN7 11 -> NaN7 |
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52 cpsx037 copysign sNaN101 11 -> sNaN101 |
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53 cpsx038 copysign -sNaN101 11 -> sNaN101 |
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54 |
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55 -- finites |
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56 cpsx101 copysign 7 11 -> 7 |
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57 cpsx102 copysign -7 11 -> 7 |
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58 cpsx103 copysign 75 11 -> 75 |
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59 cpsx104 copysign -75 11 -> 75 |
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60 cpsx105 copysign 7.50 11 -> 7.50 |
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61 cpsx106 copysign -7.50 11 -> 7.50 |
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62 cpsx107 copysign 7.500 11 -> 7.500 |
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63 cpsx108 copysign -7.500 11 -> 7.500 |
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64 |
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65 -- zeros |
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66 cpsx111 copysign 0 11 -> 0 |
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67 cpsx112 copysign -0 11 -> 0 |
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68 cpsx113 copysign 0E+4 11 -> 0E+4 |
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69 cpsx114 copysign -0E+4 11 -> 0E+4 |
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70 cpsx115 copysign 0.0000 11 -> 0.0000 |
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71 cpsx116 copysign -0.0000 11 -> 0.0000 |
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72 cpsx117 copysign 0E-141 11 -> 0E-141 |
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73 cpsx118 copysign -0E-141 11 -> 0E-141 |
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74 |
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75 -- full coefficients, alternating bits |
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76 cpsx121 copysign 268268268 11 -> 268268268 |
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77 cpsx122 copysign -268268268 11 -> 268268268 |
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78 cpsx123 copysign 134134134 11 -> 134134134 |
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79 cpsx124 copysign -134134134 11 -> 134134134 |
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80 |
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81 -- Nmax, Nmin, Ntiny |
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82 cpsx131 copysign 9.99999999E+999 11 -> 9.99999999E+999 |
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83 cpsx132 copysign 1E-999 11 -> 1E-999 |
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84 cpsx133 copysign 1.00000000E-999 11 -> 1.00000000E-999 |
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85 cpsx134 copysign 1E-1007 11 -> 1E-1007 |
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86 |
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87 cpsx135 copysign -1E-1007 11 -> 1E-1007 |
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88 cpsx136 copysign -1.00000000E-999 11 -> 1.00000000E-999 |
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89 cpsx137 copysign -1E-999 11 -> 1E-999 |
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90 cpsx138 copysign -9.99999999E+999 11 -> 9.99999999E+999 |
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91 |
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92 -- repeat with negative RHS |
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93 |
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94 -- Infinities |
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95 cpsx211 copysign Infinity -34 -> -Infinity |
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96 cpsx212 copysign -Infinity -34 -> -Infinity |
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97 |
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98 -- NaNs, 0 payload |
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99 cpsx221 copysign NaN -34 -> -NaN |
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100 cpsx222 copysign -NaN -34 -> -NaN |
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101 cpsx223 copysign sNaN -34 -> -sNaN |
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102 cpsx224 copysign -sNaN -34 -> -sNaN |
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103 |
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104 -- NaNs, non-0 payload |
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105 cpsx231 copysign NaN10 -34 -> -NaN10 |
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106 cpsx232 copysign -NaN10 -34 -> -NaN10 |
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107 cpsx233 copysign sNaN10 -34 -> -sNaN10 |
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108 cpsx234 copysign -sNaN10 -34 -> -sNaN10 |
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109 cpsx235 copysign NaN7 -34 -> -NaN7 |
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110 cpsx236 copysign -NaN7 -34 -> -NaN7 |
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111 cpsx237 copysign sNaN101 -34 -> -sNaN101 |
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112 cpsx238 copysign -sNaN101 -34 -> -sNaN101 |
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113 |
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114 -- finites |
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115 cpsx301 copysign 7 -34 -> -7 |
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116 cpsx302 copysign -7 -34 -> -7 |
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117 cpsx303 copysign 75 -34 -> -75 |
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118 cpsx304 copysign -75 -34 -> -75 |
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119 cpsx305 copysign 7.50 -34 -> -7.50 |
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120 cpsx306 copysign -7.50 -34 -> -7.50 |
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121 cpsx307 copysign 7.500 -34 -> -7.500 |
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122 cpsx308 copysign -7.500 -34 -> -7.500 |
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123 |
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124 -- zeros |
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125 cpsx311 copysign 0 -34 -> -0 |
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126 cpsx312 copysign -0 -34 -> -0 |
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127 cpsx313 copysign 0E+4 -34 -> -0E+4 |
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128 cpsx314 copysign -0E+4 -34 -> -0E+4 |
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129 cpsx315 copysign 0.0000 -34 -> -0.0000 |
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130 cpsx316 copysign -0.0000 -34 -> -0.0000 |
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131 cpsx317 copysign 0E-141 -34 -> -0E-141 |
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132 cpsx318 copysign -0E-141 -34 -> -0E-141 |
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133 |
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134 -- full coefficients, alternating bits |
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135 cpsx321 copysign 268268268 -18 -> -268268268 |
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136 cpsx322 copysign -268268268 -18 -> -268268268 |
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137 cpsx323 copysign 134134134 -18 -> -134134134 |
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138 cpsx324 copysign -134134134 -18 -> -134134134 |
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139 |
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140 -- Nmax, Nmin, Ntiny |
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141 cpsx331 copysign 9.99999999E+999 -18 -> -9.99999999E+999 |
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142 cpsx332 copysign 1E-999 -18 -> -1E-999 |
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143 cpsx333 copysign 1.00000000E-999 -18 -> -1.00000000E-999 |
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144 cpsx334 copysign 1E-1007 -18 -> -1E-1007 |
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145 |
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146 cpsx335 copysign -1E-1007 -18 -> -1E-1007 |
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147 cpsx336 copysign -1.00000000E-999 -18 -> -1.00000000E-999 |
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148 cpsx337 copysign -1E-999 -18 -> -1E-999 |
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149 cpsx338 copysign -9.99999999E+999 -18 -> -9.99999999E+999 |
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150 |
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151 -- Other kinds of RHS |
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152 cpsx401 copysign 701 -34 -> -701 |
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153 cpsx402 copysign -720 -34 -> -720 |
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154 cpsx403 copysign 701 -0 -> -701 |
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155 cpsx404 copysign -720 -0 -> -720 |
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156 cpsx405 copysign 701 +0 -> 701 |
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157 cpsx406 copysign -720 +0 -> 720 |
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158 cpsx407 copysign 701 +34 -> 701 |
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159 cpsx408 copysign -720 +34 -> 720 |
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160 |
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161 cpsx413 copysign 701 -Inf -> -701 |
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162 cpsx414 copysign -720 -Inf -> -720 |
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163 cpsx415 copysign 701 +Inf -> 701 |
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164 cpsx416 copysign -720 +Inf -> 720 |
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165 |
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166 cpsx420 copysign 701 -NaN -> -701 |
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167 cpsx421 copysign -720 -NaN -> -720 |
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168 cpsx422 copysign 701 +NaN -> 701 |
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169 cpsx423 copysign -720 +NaN -> 720 |
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170 cpsx425 copysign -720 +NaN8 -> 720 |
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171 |
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172 cpsx426 copysign 701 -sNaN -> -701 |
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173 cpsx427 copysign -720 -sNaN -> -720 |
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174 cpsx428 copysign 701 +sNaN -> 701 |
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175 cpsx429 copysign -720 +sNaN -> 720 |
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176 cpsx430 copysign -720 +sNaN3 -> 720 |
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177 |