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1 ------------------------------------------------------------------------ |
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2 -- dqMinus.decTest -- decQuad 0-x -- |
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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 -- Sanity check |
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31 dqmns001 minus +7.50 -> -7.50 |
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32 |
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33 -- Infinities |
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34 dqmns011 minus Infinity -> -Infinity |
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35 dqmns012 minus -Infinity -> Infinity |
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36 |
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37 -- NaNs, 0 payload |
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38 dqmns021 minus NaN -> NaN |
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39 dqmns022 minus -NaN -> -NaN |
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40 dqmns023 minus sNaN -> NaN Invalid_operation |
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41 dqmns024 minus -sNaN -> -NaN Invalid_operation |
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42 |
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43 -- NaNs, non-0 payload |
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44 dqmns031 minus NaN13 -> NaN13 |
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45 dqmns032 minus -NaN13 -> -NaN13 |
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46 dqmns033 minus sNaN13 -> NaN13 Invalid_operation |
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47 dqmns034 minus -sNaN13 -> -NaN13 Invalid_operation |
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48 dqmns035 minus NaN70 -> NaN70 |
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49 dqmns036 minus -NaN70 -> -NaN70 |
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50 dqmns037 minus sNaN101 -> NaN101 Invalid_operation |
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51 dqmns038 minus -sNaN101 -> -NaN101 Invalid_operation |
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52 |
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53 -- finites |
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54 dqmns101 minus 7 -> -7 |
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55 dqmns102 minus -7 -> 7 |
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56 dqmns103 minus 75 -> -75 |
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57 dqmns104 minus -75 -> 75 |
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58 dqmns105 minus 7.50 -> -7.50 |
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59 dqmns106 minus -7.50 -> 7.50 |
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60 dqmns107 minus 7.500 -> -7.500 |
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61 dqmns108 minus -7.500 -> 7.500 |
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62 |
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63 -- zeros |
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64 dqmns111 minus 0 -> 0 |
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65 dqmns112 minus -0 -> 0 |
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66 dqmns113 minus 0E+4 -> 0E+4 |
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67 dqmns114 minus -0E+4 -> 0E+4 |
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68 dqmns115 minus 0.0000 -> 0.0000 |
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69 dqmns116 minus -0.0000 -> 0.0000 |
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70 dqmns117 minus 0E-141 -> 0E-141 |
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71 dqmns118 minus -0E-141 -> 0E-141 |
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72 |
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73 -- full coefficients, alternating bits |
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74 dqmns121 minus 2682682682682682682682682682682682 -> -2682682682682682682682682682682682 |
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75 dqmns122 minus -2682682682682682682682682682682682 -> 2682682682682682682682682682682682 |
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76 dqmns123 minus 1341341341341341341341341341341341 -> -1341341341341341341341341341341341 |
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77 dqmns124 minus -1341341341341341341341341341341341 -> 1341341341341341341341341341341341 |
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78 |
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79 -- Nmax, Nmin, Ntiny |
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80 dqmns131 minus 9.999999999999999999999999999999999E+6144 -> -9.999999999999999999999999999999999E+6144 |
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81 dqmns132 minus 1E-6143 -> -1E-6143 |
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82 dqmns133 minus 1.000000000000000000000000000000000E-6143 -> -1.000000000000000000000000000000000E-6143 |
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83 dqmns134 minus 1E-6176 -> -1E-6176 Subnormal |
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84 |
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85 dqmns135 minus -1E-6176 -> 1E-6176 Subnormal |
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86 dqmns136 minus -1.000000000000000000000000000000000E-6143 -> 1.000000000000000000000000000000000E-6143 |
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87 dqmns137 minus -1E-6143 -> 1E-6143 |
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88 dqmns138 minus -9.999999999999999999999999999999999E+6144 -> 9.999999999999999999999999999999999E+6144 |