------------------------------------------------------------------------

-- ddPlus.decTest -- decDouble 0+x                                    --

-- Copyright (c) IBM Corporation, 1981, 2008.  All rights reserved.   --

------------------------------------------------------------------------

-- Please see the document "General Decimal Arithmetic Testcases"     --

-- at http://www2.hursley.ibm.com/decimal for the description of      --

-- these testcases.                                                   --

--                                                                    --

-- These testcases are experimental ('beta' versions), and they       --

-- may contain errors.  They are offered on an as-is basis.  In       --

-- particular, achieving the same results as the tests here is not    --

-- a guarantee that an implementation complies with any Standard      --

-- or specification.  The tests are not exhaustive.                   --

--                                                                    --

-- Please send comments, suggestions, and corrections to the author:  --

--   Mike Cowlishaw, IBM Fellow                                       --

--   IBM UK, PO Box 31, Birmingham Road, Warwick CV34 5JL, UK         --

--   mfc@uk.ibm.com                                                   --

------------------------------------------------------------------------

version: 2.58



-- All operands and results are decDoubles.

precision:   16

maxExponent: 384

minExponent: -383

extended:    1

clamp:       1

rounding:    half_even



-- Sanity check

ddpls001 plus       +7.50  -> 7.50



-- Infinities

ddpls011 plus  Infinity    -> Infinity

ddpls012 plus  -Infinity   -> -Infinity



-- NaNs, 0 payload

ddpls021 plus         NaN  -> NaN

ddpls022 plus        -NaN  -> -NaN

ddpls023 plus        sNaN  -> NaN  Invalid_operation

ddpls024 plus       -sNaN  -> -NaN Invalid_operation



-- NaNs, non-0 payload

ddpls031 plus       NaN13  -> NaN13

ddpls032 plus      -NaN13  -> -NaN13

ddpls033 plus      sNaN13  -> NaN13   Invalid_operation

ddpls034 plus     -sNaN13  -> -NaN13  Invalid_operation

ddpls035 plus       NaN70  -> NaN70

ddpls036 plus      -NaN70  -> -NaN70

ddpls037 plus      sNaN101 -> NaN101  Invalid_operation

ddpls038 plus     -sNaN101 -> -NaN101 Invalid_operation



-- finites

ddpls101 plus          7   -> 7

ddpls102 plus         -7   -> -7

ddpls103 plus         75   -> 75

ddpls104 plus        -75   -> -75

ddpls105 plus       7.50   -> 7.50

ddpls106 plus      -7.50   -> -7.50

ddpls107 plus       7.500  -> 7.500

ddpls108 plus      -7.500  -> -7.500



-- zeros

ddpls111 plus          0   -> 0

ddpls112 plus         -0   -> 0

ddpls113 plus       0E+4   -> 0E+4

ddpls114 plus      -0E+4   -> 0E+4

ddpls115 plus     0.0000   -> 0.0000

ddpls116 plus    -0.0000   -> 0.0000

ddpls117 plus      0E-141  -> 0E-141

ddpls118 plus     -0E-141  -> 0E-141



-- full coefficients, alternating bits

ddpls121 plus  2682682682682682         -> 2682682682682682

ddpls122 plus  -2682682682682682        -> -2682682682682682

ddpls123 plus  1341341341341341         -> 1341341341341341

ddpls124 plus  -1341341341341341        -> -1341341341341341



-- Nmax, Nmin, Ntiny

ddpls131 plus  9.999999999999999E+384   -> 9.999999999999999E+384

ddpls132 plus  1E-383                   -> 1E-383

ddpls133 plus  1.000000000000000E-383   -> 1.000000000000000E-383

ddpls134 plus  1E-398                   -> 1E-398 Subnormal



ddpls135 plus  -1E-398                  -> -1E-398 Subnormal

ddpls136 plus  -1.000000000000000E-383  -> -1.000000000000000E-383

ddpls137 plus  -1E-383                  -> -1E-383

ddpls138 plus  -9.999999999999999E+384  -> -9.999999999999999E+384

