1 ------------------------------------------------------------------------ 2 -- ddPlus.decTest -- decDouble 0+x -- 3 -- Copyright (c) IBM Corporation, 1981, 2008. All rights reserved. -- 4 ------------------------------------------------------------------------ 5 -- Please see the document "General Decimal Arithmetic Testcases" -- 6 -- at http://www2.hursley.ibm.com/decimal for the description of -- 7 -- these testcases. -- 8 -- -- 9 -- These testcases are experimental ('beta' versions), and they -- 10 -- may contain errors. They are offered on an as-is basis. In -- 11 -- particular, achieving the same results as the tests here is not -- 12 -- a guarantee that an implementation complies with any Standard -- 13 -- or specification. The tests are not exhaustive. -- 14 -- -- 15 -- Please send comments, suggestions, and corrections to the author: -- 16 -- Mike Cowlishaw, IBM Fellow -- 17 -- IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK -- 18 -- mfc (a] uk.ibm.com -- 19 ------------------------------------------------------------------------ 20 version: 2.59 21 22 -- All operands and results are decDoubles. 23 precision: 16 24 maxExponent: 384 25 minExponent: -383 26 extended: 1 27 clamp: 1 28 rounding: half_even 29 30 -- Sanity check 31 ddpls001 plus +7.50 -> 7.50 32 33 -- Infinities 34 ddpls011 plus Infinity -> Infinity 35 ddpls012 plus -Infinity -> -Infinity 36 37 -- NaNs, 0 payload 38 ddpls021 plus NaN -> NaN 39 ddpls022 plus -NaN -> -NaN 40 ddpls023 plus sNaN -> NaN Invalid_operation 41 ddpls024 plus -sNaN -> -NaN Invalid_operation 42 43 -- NaNs, non-0 payload 44 ddpls031 plus NaN13 -> NaN13 45 ddpls032 plus -NaN13 -> -NaN13 46 ddpls033 plus sNaN13 -> NaN13 Invalid_operation 47 ddpls034 plus -sNaN13 -> -NaN13 Invalid_operation 48 ddpls035 plus NaN70 -> NaN70 49 ddpls036 plus -NaN70 -> -NaN70 50 ddpls037 plus sNaN101 -> NaN101 Invalid_operation 51 ddpls038 plus -sNaN101 -> -NaN101 Invalid_operation 52 53 -- finites 54 ddpls101 plus 7 -> 7 55 ddpls102 plus -7 -> -7 56 ddpls103 plus 75 -> 75 57 ddpls104 plus -75 -> -75 58 ddpls105 plus 7.50 -> 7.50 59 ddpls106 plus -7.50 -> -7.50 60 ddpls107 plus 7.500 -> 7.500 61 ddpls108 plus -7.500 -> -7.500 62 63 -- zeros 64 ddpls111 plus 0 -> 0 65 ddpls112 plus -0 -> 0 66 ddpls113 plus 0E+4 -> 0E+4 67 ddpls114 plus -0E+4 -> 0E+4 68 ddpls115 plus 0.0000 -> 0.0000 69 ddpls116 plus -0.0000 -> 0.0000 70 ddpls117 plus 0E-141 -> 0E-141 71 ddpls118 plus -0E-141 -> 0E-141 72 73 -- full coefficients, alternating bits 74 ddpls121 plus 2682682682682682 -> 2682682682682682 75 ddpls122 plus -2682682682682682 -> -2682682682682682 76 ddpls123 plus 1341341341341341 -> 1341341341341341 77 ddpls124 plus -1341341341341341 -> -1341341341341341 78 79 -- Nmax, Nmin, Ntiny 80 ddpls131 plus 9.999999999999999E+384 -> 9.999999999999999E+384 81 ddpls132 plus 1E-383 -> 1E-383 82 ddpls133 plus 1.000000000000000E-383 -> 1.000000000000000E-383 83 ddpls134 plus 1E-398 -> 1E-398 Subnormal 84 85 ddpls135 plus -1E-398 -> -1E-398 Subnormal 86 ddpls136 plus -1.000000000000000E-383 -> -1.000000000000000E-383 87 ddpls137 plus -1E-383 -> -1E-383 88 ddpls138 plus -9.999999999999999E+384 -> -9.999999999999999E+384 89
