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

-- plus.decTest -- decimal monadic addition                           --

-- 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

-- This set of tests primarily tests the existence of the operator.

-- Addition and rounding, and most overflows, are tested elsewhere.

extended:    1

precision:   9

rounding:    half_up

maxExponent: 384

minexponent: -383

plux001 plus '1'      -> '1'

plux002 plus '-1'     -> '-1'

plux003 plus '1.00'   -> '1.00'

plux004 plus '-1.00'  -> '-1.00'

plux005 plus '0'      -> '0'

plux006 plus '0.00'   -> '0.00'

plux007 plus '00.0'   -> '0.0'

plux008 plus '00.00'  -> '0.00'

plux009 plus '00'     -> '0'

plux010 plus '-2'     -> '-2'

plux011 plus '2'      -> '2'

plux012 plus '-2.00'  -> '-2.00'

plux013 plus '2.00'   -> '2.00'

plux014 plus '-0'     -> '0'

plux015 plus '-0.00'  -> '0.00'

plux016 plus '-00.0'  -> '0.0'

plux017 plus '-00.00' -> '0.00'

plux018 plus '-00'    -> '0'

plux020 plus '-2000000' -> '-2000000'

plux021 plus '2000000'  -> '2000000'

precision: 7

plux022 plus '-2000000' -> '-2000000'

plux023 plus '2000000'  -> '2000000'

precision: 6

plux024 plus '-2000000' -> '-2.00000E+6' Rounded

plux025 plus '2000000'  -> '2.00000E+6' Rounded

precision: 3

plux026 plus '-2000000' -> '-2.00E+6' Rounded

plux027 plus '2000000'  -> '2.00E+6' Rounded

-- more fixed, potential LHS swaps if done by add 0

precision: 9

plux060 plus '56267E-10'   -> '0.0000056267'

plux061 plus '56267E-5'    -> '0.56267'

plux062 plus '56267E-2'    -> '562.67'

plux063 plus '56267E-1'    -> '5626.7'

plux065 plus '56267E-0'    -> '56267'

plux066 plus '56267E+0'    -> '56267'

plux067 plus '56267E+1'    -> '5.6267E+5'

plux068 plus '56267E+2'    -> '5.6267E+6'

plux069 plus '56267E+3'    -> '5.6267E+7'

plux070 plus '56267E+4'    -> '5.6267E+8'

plux071 plus '56267E+5'    -> '5.6267E+9'

plux072 plus '56267E+6'    -> '5.6267E+10'

plux080 plus '-56267E-10'  -> '-0.0000056267'

plux081 plus '-56267E-5'   -> '-0.56267'

plux082 plus '-56267E-2'   -> '-562.67'

plux083 plus '-56267E-1'   -> '-5626.7'

plux085 plus '-56267E-0'   -> '-56267'

plux086 plus '-56267E+0'   -> '-56267'

plux087 plus '-56267E+1'   -> '-5.6267E+5'

plux088 plus '-56267E+2'   -> '-5.6267E+6'

plux089 plus '-56267E+3'   -> '-5.6267E+7'

plux090 plus '-56267E+4'   -> '-5.6267E+8'

plux091 plus '-56267E+5'   -> '-5.6267E+9'

plux092 plus '-56267E+6'   -> '-5.6267E+10'

-- "lhs" zeros in plus and minus have exponent = operand

plux120 plus '-0E3'   -> '0E+3'

plux121 plus '-0E2'   -> '0E+2'

plux122 plus '-0E1'   -> '0E+1'

plux123 plus '-0E0'   -> '0'

plux124 plus '+0E0'   -> '0'

plux125 plus '+0E1'   -> '0E+1'

plux126 plus '+0E2'   -> '0E+2'

plux127 plus '+0E3'   -> '0E+3'

plux130 plus '-5E3'   -> '-5E+3'

plux131 plus '-5E8'   -> '-5E+8'

plux132 plus '-5E13'  -> '-5E+13'

plux133 plus '-5E18'  -> '-5E+18'

plux134 plus '+5E3'   -> '5E+3'

plux135 plus '+5E8'   -> '5E+8'

plux136 plus '+5E13'  -> '5E+13'

plux137 plus '+5E18'  -> '5E+18'

-- specials

plux150 plus 'Inf'    -> 'Infinity'

plux151 plus '-Inf'   -> '-Infinity'

plux152 plus   NaN    ->  NaN

plux153 plus  sNaN    ->  NaN   Invalid_operation

plux154 plus   NaN77  ->  NaN77

plux155 plus  sNaN88  ->  NaN88 Invalid_operation

plux156 plus  -NaN    -> -NaN

plux157 plus -sNaN    -> -NaN   Invalid_operation

plux158 plus  -NaN77  -> -NaN77

plux159 plus -sNaN88  -> -NaN88 Invalid_operation

-- overflow tests

maxexponent: 999999999

minexponent: -999999999

precision: 3

plux160 plus 9.999E+999999999  ->  Infinity Inexact Overflow Rounded

plux161 plus -9.999E+999999999 -> -Infinity Inexact Overflow Rounded

-- subnormals and underflow

precision: 3

maxexponent: 999

minexponent: -999

plux210 plus  1.00E-999        ->   1.00E-999

plux211 plus  0.1E-999         ->   1E-1000   Subnormal

plux212 plus  0.10E-999        ->   1.0E-1000 Subnormal

plux213 plus  0.100E-999       ->   1.0E-1000 Subnormal Rounded

plux214 plus  0.01E-999        ->   1E-1001   Subnormal

-- next is rounded to Emin

plux215 plus  0.999E-999       ->   1.00E-999 Inexact Rounded Subnormal Underflow

plux216 plus  0.099E-999       ->   1.0E-1000 Inexact Rounded Subnormal Underflow

plux217 plus  0.009E-999       ->   1E-1001   Inexact Rounded Subnormal Underflow

plux218 plus  0.001E-999       ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped

plux219 plus  0.0009E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped

plux220 plus  0.0001E-999      ->   0E-1001   Inexact Rounded Subnormal Underflow Clamped

plux230 plus -1.00E-999        ->  -1.00E-999

plux231 plus -0.1E-999         ->  -1E-1000   Subnormal

plux232 plus -0.10E-999        ->  -1.0E-1000 Subnormal

plux233 plus -0.100E-999       ->  -1.0E-1000 Subnormal Rounded

plux234 plus -0.01E-999        ->  -1E-1001   Subnormal

-- next is rounded to Emin

plux235 plus -0.999E-999       ->  -1.00E-999 Inexact Rounded Subnormal Underflow

plux236 plus -0.099E-999       ->  -1.0E-1000 Inexact Rounded Subnormal Underflow

plux237 plus -0.009E-999       ->  -1E-1001   Inexact Rounded Subnormal Underflow

plux238 plus -0.001E-999       ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped

plux239 plus -0.0009E-999      ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped

plux240 plus -0.0001E-999      ->  -0E-1001   Inexact Rounded Subnormal Underflow Clamped

-- subnormals clamped to 0-Etiny

precision:   16

maxExponent: 384

minExponent: -383

plux251 plus 7E-398     -> 7E-398 Subnormal

plux252 plus 0E-398     -> 0E-398

plux253 plus 7E-399     -> 1E-398 Subnormal Underflow Inexact Rounded

plux254 plus 4E-399     -> 0E-398 Clamped Subnormal Underflow Inexact Rounded

plux255 plus 7E-400     -> 0E-398 Clamped Subnormal Underflow Inexact Rounded

plux256 plus 7E-401     -> 0E-398 Clamped Subnormal Underflow Inexact Rounded

plux257 plus 0E-399     -> 0E-398 Clamped

plux258 plus 0E-400     -> 0E-398 Clamped

plux259 plus 0E-401     -> 0E-398 Clamped

-- long operand checks

maxexponent: 999

minexponent: -999

precision: 9

plux301 plus 12345678000  -> 1.23456780E+10 Rounded

plux302 plus 1234567800   -> 1.23456780E+9 Rounded

plux303 plus 1234567890   -> 1.23456789E+9 Rounded

plux304 plus 1234567891   -> 1.23456789E+9 Inexact Rounded

plux305 plus 12345678901  -> 1.23456789E+10 Inexact Rounded

plux306 plus 1234567896   -> 1.23456790E+9 Inexact Rounded

-- still checking

precision: 15

plux321 plus 12345678000  -> 12345678000

plux322 plus 1234567800   -> 1234567800

plux323 plus 1234567890   -> 1234567890

plux324 plus 1234567891   -> 1234567891

plux325 plus 12345678901  -> 12345678901

plux326 plus 1234567896   -> 1234567896

precision: 9

-- Null tests

plu900 plus  # -> NaN Invalid_operation