| Georg Brandl | faa9ad2 | 2011-03-05 15:06:13 +0100 | [diff] [blame] | 1 | ------------------------------------------------------------------------ |
| 2 | -- ddSubtract.decTest -- decDouble subtraction -- |
| 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@uk.ibm.com -- |
| 19 | ------------------------------------------------------------------------ |
| 20 | version: 2.59 |
| 21 | |
| 22 | -- This set of tests are for decDoubles only; all arguments are |
| 23 | -- representable in a decDouble |
| 24 | precision: 16 |
| 25 | maxExponent: 384 |
| 26 | minExponent: -383 |
| 27 | extended: 1 |
| 28 | clamp: 1 |
| 29 | rounding: half_even |
| 30 | |
| 31 | -- [first group are 'quick confidence check'] |
| 32 | ddsub001 subtract 0 0 -> '0' |
| 33 | ddsub002 subtract 1 1 -> '0' |
| 34 | ddsub003 subtract 1 2 -> '-1' |
| 35 | ddsub004 subtract 2 1 -> '1' |
| 36 | ddsub005 subtract 2 2 -> '0' |
| 37 | ddsub006 subtract 3 2 -> '1' |
| 38 | ddsub007 subtract 2 3 -> '-1' |
| 39 | |
| 40 | ddsub011 subtract -0 0 -> '-0' |
| 41 | ddsub012 subtract -1 1 -> '-2' |
| 42 | ddsub013 subtract -1 2 -> '-3' |
| 43 | ddsub014 subtract -2 1 -> '-3' |
| 44 | ddsub015 subtract -2 2 -> '-4' |
| 45 | ddsub016 subtract -3 2 -> '-5' |
| 46 | ddsub017 subtract -2 3 -> '-5' |
| 47 | |
| 48 | ddsub021 subtract 0 -0 -> '0' |
| 49 | ddsub022 subtract 1 -1 -> '2' |
| 50 | ddsub023 subtract 1 -2 -> '3' |
| 51 | ddsub024 subtract 2 -1 -> '3' |
| 52 | ddsub025 subtract 2 -2 -> '4' |
| 53 | ddsub026 subtract 3 -2 -> '5' |
| 54 | ddsub027 subtract 2 -3 -> '5' |
| 55 | |
| 56 | ddsub030 subtract 11 1 -> 10 |
| 57 | ddsub031 subtract 10 1 -> 9 |
| 58 | ddsub032 subtract 9 1 -> 8 |
| 59 | ddsub033 subtract 1 1 -> 0 |
| 60 | ddsub034 subtract 0 1 -> -1 |
| 61 | ddsub035 subtract -1 1 -> -2 |
| 62 | ddsub036 subtract -9 1 -> -10 |
| 63 | ddsub037 subtract -10 1 -> -11 |
| 64 | ddsub038 subtract -11 1 -> -12 |
| 65 | |
| 66 | ddsub040 subtract '5.75' '3.3' -> '2.45' |
| 67 | ddsub041 subtract '5' '-3' -> '8' |
| 68 | ddsub042 subtract '-5' '-3' -> '-2' |
| 69 | ddsub043 subtract '-7' '2.5' -> '-9.5' |
| 70 | ddsub044 subtract '0.7' '0.3' -> '0.4' |
| 71 | ddsub045 subtract '1.3' '0.3' -> '1.0' |
| 72 | ddsub046 subtract '1.25' '1.25' -> '0.00' |
| 73 | |
| 74 | ddsub050 subtract '1.23456789' '1.00000000' -> '0.23456789' |
| 75 | ddsub051 subtract '1.23456789' '1.00000089' -> '0.23456700' |
| 76 | |
| 77 | ddsub060 subtract '70' '10000e+16' -> '-1.000000000000000E+20' Inexact Rounded |
| 78 | ddsub061 subtract '700' '10000e+16' -> '-1.000000000000000E+20' Inexact Rounded |
| 79 | ddsub062 subtract '7000' '10000e+16' -> '-9.999999999999999E+19' Inexact Rounded |
| 80 | ddsub063 subtract '70000' '10000e+16' -> '-9.999999999999993E+19' Rounded |
| 81 | ddsub064 subtract '700000' '10000e+16' -> '-9.999999999999930E+19' Rounded |
| 82 | -- symmetry: |
| 83 | ddsub065 subtract '10000e+16' '70' -> '1.000000000000000E+20' Inexact Rounded |
| 84 | ddsub066 subtract '10000e+16' '700' -> '1.000000000000000E+20' Inexact Rounded |
| 85 | ddsub067 subtract '10000e+16' '7000' -> '9.999999999999999E+19' Inexact Rounded |
| 86 | ddsub068 subtract '10000e+16' '70000' -> '9.999999999999993E+19' Rounded |
| 87 | ddsub069 subtract '10000e+16' '700000' -> '9.999999999999930E+19' Rounded |
| 88 | |
| 89 | -- some of the next group are really constructor tests |
| 90 | ddsub090 subtract '00.0' '0.0' -> '0.0' |
| 91 | ddsub091 subtract '00.0' '0.00' -> '0.00' |
| 92 | ddsub092 subtract '0.00' '00.0' -> '0.00' |
| 93 | ddsub093 subtract '00.0' '0.00' -> '0.00' |
| 94 | ddsub094 subtract '0.00' '00.0' -> '0.00' |
| 95 | ddsub095 subtract '3' '.3' -> '2.7' |
| 96 | ddsub096 subtract '3.' '.3' -> '2.7' |
| 97 | ddsub097 subtract '3.0' '.3' -> '2.7' |
| 98 | ddsub098 subtract '3.00' '.3' -> '2.70' |
| 99 | ddsub099 subtract '3' '3' -> '0' |
| 100 | ddsub100 subtract '3' '+3' -> '0' |
| 101 | ddsub101 subtract '3' '-3' -> '6' |
| 102 | ddsub102 subtract '3' '0.3' -> '2.7' |
| 103 | ddsub103 subtract '3.' '0.3' -> '2.7' |
| 104 | ddsub104 subtract '3.0' '0.3' -> '2.7' |
| 105 | ddsub105 subtract '3.00' '0.3' -> '2.70' |
| 106 | ddsub106 subtract '3' '3.0' -> '0.0' |
| 107 | ddsub107 subtract '3' '+3.0' -> '0.0' |
| 108 | ddsub108 subtract '3' '-3.0' -> '6.0' |
| 109 | |
| 110 | -- the above all from add; massaged and extended. Now some new ones... |
| 111 | -- [particularly important for comparisons] |
| 112 | -- NB: -xE-8 below were non-exponents pre-ANSI X3-274, and -1E-7 or 0E-7 |
| 113 | -- with input rounding. |
| 114 | ddsub120 subtract '10.23456784' '10.23456789' -> '-5E-8' |
| 115 | ddsub121 subtract '10.23456785' '10.23456789' -> '-4E-8' |
| 116 | ddsub122 subtract '10.23456786' '10.23456789' -> '-3E-8' |
| 117 | ddsub123 subtract '10.23456787' '10.23456789' -> '-2E-8' |
| 118 | ddsub124 subtract '10.23456788' '10.23456789' -> '-1E-8' |
| 119 | ddsub125 subtract '10.23456789' '10.23456789' -> '0E-8' |
| 120 | ddsub126 subtract '10.23456790' '10.23456789' -> '1E-8' |
| 121 | ddsub127 subtract '10.23456791' '10.23456789' -> '2E-8' |
| 122 | ddsub128 subtract '10.23456792' '10.23456789' -> '3E-8' |
| 123 | ddsub129 subtract '10.23456793' '10.23456789' -> '4E-8' |
| 124 | ddsub130 subtract '10.23456794' '10.23456789' -> '5E-8' |
| 125 | ddsub131 subtract '10.23456781' '10.23456786' -> '-5E-8' |
| 126 | ddsub132 subtract '10.23456782' '10.23456786' -> '-4E-8' |
| 127 | ddsub133 subtract '10.23456783' '10.23456786' -> '-3E-8' |
| 128 | ddsub134 subtract '10.23456784' '10.23456786' -> '-2E-8' |
| 129 | ddsub135 subtract '10.23456785' '10.23456786' -> '-1E-8' |
| 130 | ddsub136 subtract '10.23456786' '10.23456786' -> '0E-8' |
| 131 | ddsub137 subtract '10.23456787' '10.23456786' -> '1E-8' |
| 132 | ddsub138 subtract '10.23456788' '10.23456786' -> '2E-8' |
| 133 | ddsub139 subtract '10.23456789' '10.23456786' -> '3E-8' |
| 134 | ddsub140 subtract '10.23456790' '10.23456786' -> '4E-8' |
| 135 | ddsub141 subtract '10.23456791' '10.23456786' -> '5E-8' |
| 136 | ddsub142 subtract '1' '0.999999999' -> '1E-9' |
| 137 | ddsub143 subtract '0.999999999' '1' -> '-1E-9' |
| 138 | ddsub144 subtract '-10.23456780' '-10.23456786' -> '6E-8' |
| 139 | ddsub145 subtract '-10.23456790' '-10.23456786' -> '-4E-8' |
| 140 | ddsub146 subtract '-10.23456791' '-10.23456786' -> '-5E-8' |
| 141 | |
| 142 | -- additional scaled arithmetic tests [0.97 problem] |
| 143 | ddsub160 subtract '0' '.1' -> '-0.1' |
| 144 | ddsub161 subtract '00' '.97983' -> '-0.97983' |
| 145 | ddsub162 subtract '0' '.9' -> '-0.9' |
| 146 | ddsub163 subtract '0' '0.102' -> '-0.102' |
| 147 | ddsub164 subtract '0' '.4' -> '-0.4' |
| 148 | ddsub165 subtract '0' '.307' -> '-0.307' |
| 149 | ddsub166 subtract '0' '.43822' -> '-0.43822' |
| 150 | ddsub167 subtract '0' '.911' -> '-0.911' |
| 151 | ddsub168 subtract '.0' '.02' -> '-0.02' |
| 152 | ddsub169 subtract '00' '.392' -> '-0.392' |
| 153 | ddsub170 subtract '0' '.26' -> '-0.26' |
| 154 | ddsub171 subtract '0' '0.51' -> '-0.51' |
| 155 | ddsub172 subtract '0' '.2234' -> '-0.2234' |
| 156 | ddsub173 subtract '0' '.2' -> '-0.2' |
| 157 | ddsub174 subtract '.0' '.0008' -> '-0.0008' |
| 158 | -- 0. on left |
| 159 | ddsub180 subtract '0.0' '-.1' -> '0.1' |
| 160 | ddsub181 subtract '0.00' '-.97983' -> '0.97983' |
| 161 | ddsub182 subtract '0.0' '-.9' -> '0.9' |
| 162 | ddsub183 subtract '0.0' '-0.102' -> '0.102' |
| 163 | ddsub184 subtract '0.0' '-.4' -> '0.4' |
| 164 | ddsub185 subtract '0.0' '-.307' -> '0.307' |
| 165 | ddsub186 subtract '0.0' '-.43822' -> '0.43822' |
| 166 | ddsub187 subtract '0.0' '-.911' -> '0.911' |
| 167 | ddsub188 subtract '0.0' '-.02' -> '0.02' |
| 168 | ddsub189 subtract '0.00' '-.392' -> '0.392' |
| 169 | ddsub190 subtract '0.0' '-.26' -> '0.26' |
| 170 | ddsub191 subtract '0.0' '-0.51' -> '0.51' |
| 171 | ddsub192 subtract '0.0' '-.2234' -> '0.2234' |
| 172 | ddsub193 subtract '0.0' '-.2' -> '0.2' |
| 173 | ddsub194 subtract '0.0' '-.0008' -> '0.0008' |
| 174 | -- negatives of same |
| 175 | ddsub200 subtract '0' '-.1' -> '0.1' |
| 176 | ddsub201 subtract '00' '-.97983' -> '0.97983' |
| 177 | ddsub202 subtract '0' '-.9' -> '0.9' |
| 178 | ddsub203 subtract '0' '-0.102' -> '0.102' |
| 179 | ddsub204 subtract '0' '-.4' -> '0.4' |
| 180 | ddsub205 subtract '0' '-.307' -> '0.307' |
| 181 | ddsub206 subtract '0' '-.43822' -> '0.43822' |
| 182 | ddsub207 subtract '0' '-.911' -> '0.911' |
| 183 | ddsub208 subtract '.0' '-.02' -> '0.02' |
| 184 | ddsub209 subtract '00' '-.392' -> '0.392' |
| 185 | ddsub210 subtract '0' '-.26' -> '0.26' |
| 186 | ddsub211 subtract '0' '-0.51' -> '0.51' |
| 187 | ddsub212 subtract '0' '-.2234' -> '0.2234' |
| 188 | ddsub213 subtract '0' '-.2' -> '0.2' |
| 189 | ddsub214 subtract '.0' '-.0008' -> '0.0008' |
| 190 | |
| 191 | -- more fixed, LHS swaps [really the same as testcases under add] |
| 192 | ddsub220 subtract '-56267E-12' 0 -> '-5.6267E-8' |
| 193 | ddsub221 subtract '-56267E-11' 0 -> '-5.6267E-7' |
| 194 | ddsub222 subtract '-56267E-10' 0 -> '-0.0000056267' |
| 195 | ddsub223 subtract '-56267E-9' 0 -> '-0.000056267' |
| 196 | ddsub224 subtract '-56267E-8' 0 -> '-0.00056267' |
| 197 | ddsub225 subtract '-56267E-7' 0 -> '-0.0056267' |
| 198 | ddsub226 subtract '-56267E-6' 0 -> '-0.056267' |
| 199 | ddsub227 subtract '-56267E-5' 0 -> '-0.56267' |
| 200 | ddsub228 subtract '-56267E-2' 0 -> '-562.67' |
| 201 | ddsub229 subtract '-56267E-1' 0 -> '-5626.7' |
| 202 | ddsub230 subtract '-56267E-0' 0 -> '-56267' |
| 203 | -- symmetry ... |
| 204 | ddsub240 subtract 0 '-56267E-12' -> '5.6267E-8' |
| 205 | ddsub241 subtract 0 '-56267E-11' -> '5.6267E-7' |
| 206 | ddsub242 subtract 0 '-56267E-10' -> '0.0000056267' |
| 207 | ddsub243 subtract 0 '-56267E-9' -> '0.000056267' |
| 208 | ddsub244 subtract 0 '-56267E-8' -> '0.00056267' |
| 209 | ddsub245 subtract 0 '-56267E-7' -> '0.0056267' |
| 210 | ddsub246 subtract 0 '-56267E-6' -> '0.056267' |
| 211 | ddsub247 subtract 0 '-56267E-5' -> '0.56267' |
| 212 | ddsub248 subtract 0 '-56267E-2' -> '562.67' |
| 213 | ddsub249 subtract 0 '-56267E-1' -> '5626.7' |
| 214 | ddsub250 subtract 0 '-56267E-0' -> '56267' |
| 215 | |
| 216 | -- now some more from the 'new' add |
| 217 | ddsub301 subtract '1.23456789' '1.00000000' -> '0.23456789' |
| 218 | ddsub302 subtract '1.23456789' '1.00000011' -> '0.23456778' |
| 219 | |
| 220 | -- some carrying effects |
| 221 | ddsub321 subtract '0.9998' '0.0000' -> '0.9998' |
| 222 | ddsub322 subtract '0.9998' '0.0001' -> '0.9997' |
| 223 | ddsub323 subtract '0.9998' '0.0002' -> '0.9996' |
| 224 | ddsub324 subtract '0.9998' '0.0003' -> '0.9995' |
| 225 | ddsub325 subtract '0.9998' '-0.0000' -> '0.9998' |
| 226 | ddsub326 subtract '0.9998' '-0.0001' -> '0.9999' |
| 227 | ddsub327 subtract '0.9998' '-0.0002' -> '1.0000' |
| 228 | ddsub328 subtract '0.9998' '-0.0003' -> '1.0001' |
| 229 | |
| 230 | -- internal boundaries |
| 231 | ddsub346 subtract '10000e+9' '7' -> '9999999999993' |
| 232 | ddsub347 subtract '10000e+9' '70' -> '9999999999930' |
| 233 | ddsub348 subtract '10000e+9' '700' -> '9999999999300' |
| 234 | ddsub349 subtract '10000e+9' '7000' -> '9999999993000' |
| 235 | ddsub350 subtract '10000e+9' '70000' -> '9999999930000' |
| 236 | ddsub351 subtract '10000e+9' '700000' -> '9999999300000' |
| 237 | ddsub352 subtract '7' '10000e+9' -> '-9999999999993' |
| 238 | ddsub353 subtract '70' '10000e+9' -> '-9999999999930' |
| 239 | ddsub354 subtract '700' '10000e+9' -> '-9999999999300' |
| 240 | ddsub355 subtract '7000' '10000e+9' -> '-9999999993000' |
| 241 | ddsub356 subtract '70000' '10000e+9' -> '-9999999930000' |
| 242 | ddsub357 subtract '700000' '10000e+9' -> '-9999999300000' |
| 243 | |
| 244 | -- zero preservation |
| 245 | ddsub361 subtract 1 '0.0001' -> '0.9999' |
| 246 | ddsub362 subtract 1 '0.00001' -> '0.99999' |
| 247 | ddsub363 subtract 1 '0.000001' -> '0.999999' |
| 248 | ddsub364 subtract 1 '0.0000000000000001' -> '0.9999999999999999' |
| 249 | ddsub365 subtract 1 '0.00000000000000001' -> '1.000000000000000' Inexact Rounded |
| 250 | ddsub366 subtract 1 '0.000000000000000001' -> '1.000000000000000' Inexact Rounded |
| 251 | |
| 252 | -- some funny zeros [in case of bad signum] |
| 253 | ddsub370 subtract 1 0 -> 1 |
| 254 | ddsub371 subtract 1 0. -> 1 |
| 255 | ddsub372 subtract 1 .0 -> 1.0 |
| 256 | ddsub373 subtract 1 0.0 -> 1.0 |
| 257 | ddsub374 subtract 0 1 -> -1 |
| 258 | ddsub375 subtract 0. 1 -> -1 |
| 259 | ddsub376 subtract .0 1 -> -1.0 |
| 260 | ddsub377 subtract 0.0 1 -> -1.0 |
| 261 | |
| 262 | -- leading 0 digit before round |
| 263 | ddsub910 subtract -103519362 -51897955.3 -> -51621406.7 |
| 264 | ddsub911 subtract 159579.444 89827.5229 -> 69751.9211 |
| 265 | |
| 266 | ddsub920 subtract 333.0000000123456 33.00000001234566 -> 299.9999999999999 Inexact Rounded |
| 267 | ddsub921 subtract 333.0000000123456 33.00000001234565 -> 300.0000000000000 Inexact Rounded |
| 268 | ddsub922 subtract 133.0000000123456 33.00000001234565 -> 99.99999999999995 |
| 269 | ddsub923 subtract 133.0000000123456 33.00000001234564 -> 99.99999999999996 |
| 270 | ddsub924 subtract 133.0000000123456 33.00000001234540 -> 100.0000000000002 Rounded |
| 271 | ddsub925 subtract 133.0000000123456 43.00000001234560 -> 90.00000000000000 |
| 272 | ddsub926 subtract 133.0000000123456 43.00000001234561 -> 89.99999999999999 |
| 273 | ddsub927 subtract 133.0000000123456 43.00000001234566 -> 89.99999999999994 |
| 274 | ddsub928 subtract 101.0000000123456 91.00000001234566 -> 9.99999999999994 |
| 275 | ddsub929 subtract 101.0000000123456 99.00000001234566 -> 1.99999999999994 |
| 276 | |
| 277 | -- more LHS swaps [were fixed] |
| 278 | ddsub390 subtract '-56267E-10' 0 -> '-0.0000056267' |
| 279 | ddsub391 subtract '-56267E-6' 0 -> '-0.056267' |
| 280 | ddsub392 subtract '-56267E-5' 0 -> '-0.56267' |
| 281 | ddsub393 subtract '-56267E-4' 0 -> '-5.6267' |
| 282 | ddsub394 subtract '-56267E-3' 0 -> '-56.267' |
| 283 | ddsub395 subtract '-56267E-2' 0 -> '-562.67' |
| 284 | ddsub396 subtract '-56267E-1' 0 -> '-5626.7' |
| 285 | ddsub397 subtract '-56267E-0' 0 -> '-56267' |
| 286 | ddsub398 subtract '-5E-10' 0 -> '-5E-10' |
| 287 | ddsub399 subtract '-5E-7' 0 -> '-5E-7' |
| 288 | ddsub400 subtract '-5E-6' 0 -> '-0.000005' |
| 289 | ddsub401 subtract '-5E-5' 0 -> '-0.00005' |
| 290 | ddsub402 subtract '-5E-4' 0 -> '-0.0005' |
| 291 | ddsub403 subtract '-5E-1' 0 -> '-0.5' |
| 292 | ddsub404 subtract '-5E0' 0 -> '-5' |
| 293 | ddsub405 subtract '-5E1' 0 -> '-50' |
| 294 | ddsub406 subtract '-5E5' 0 -> '-500000' |
| 295 | ddsub407 subtract '-5E15' 0 -> '-5000000000000000' |
| 296 | ddsub408 subtract '-5E16' 0 -> '-5.000000000000000E+16' Rounded |
| 297 | ddsub409 subtract '-5E17' 0 -> '-5.000000000000000E+17' Rounded |
| 298 | ddsub410 subtract '-5E18' 0 -> '-5.000000000000000E+18' Rounded |
| 299 | ddsub411 subtract '-5E100' 0 -> '-5.000000000000000E+100' Rounded |
| 300 | |
| 301 | -- more RHS swaps [were fixed] |
| 302 | ddsub420 subtract 0 '-56267E-10' -> '0.0000056267' |
| 303 | ddsub421 subtract 0 '-56267E-6' -> '0.056267' |
| 304 | ddsub422 subtract 0 '-56267E-5' -> '0.56267' |
| 305 | ddsub423 subtract 0 '-56267E-4' -> '5.6267' |
| 306 | ddsub424 subtract 0 '-56267E-3' -> '56.267' |
| 307 | ddsub425 subtract 0 '-56267E-2' -> '562.67' |
| 308 | ddsub426 subtract 0 '-56267E-1' -> '5626.7' |
| 309 | ddsub427 subtract 0 '-56267E-0' -> '56267' |
| 310 | ddsub428 subtract 0 '-5E-10' -> '5E-10' |
| 311 | ddsub429 subtract 0 '-5E-7' -> '5E-7' |
| 312 | ddsub430 subtract 0 '-5E-6' -> '0.000005' |
| 313 | ddsub431 subtract 0 '-5E-5' -> '0.00005' |
| 314 | ddsub432 subtract 0 '-5E-4' -> '0.0005' |
| 315 | ddsub433 subtract 0 '-5E-1' -> '0.5' |
| 316 | ddsub434 subtract 0 '-5E0' -> '5' |
| 317 | ddsub435 subtract 0 '-5E1' -> '50' |
| 318 | ddsub436 subtract 0 '-5E5' -> '500000' |
| 319 | ddsub437 subtract 0 '-5E15' -> '5000000000000000' |
| 320 | ddsub438 subtract 0 '-5E16' -> '5.000000000000000E+16' Rounded |
| 321 | ddsub439 subtract 0 '-5E17' -> '5.000000000000000E+17' Rounded |
| 322 | ddsub440 subtract 0 '-5E18' -> '5.000000000000000E+18' Rounded |
| 323 | ddsub441 subtract 0 '-5E100' -> '5.000000000000000E+100' Rounded |
| 324 | |
| 325 | |
| 326 | -- try borderline precision, with carries, etc. |
| 327 | ddsub461 subtract '1E+16' '1' -> '9999999999999999' |
| 328 | ddsub462 subtract '1E+12' '-1.111' -> '1000000000001.111' |
| 329 | ddsub463 subtract '1.111' '-1E+12' -> '1000000000001.111' |
| 330 | ddsub464 subtract '-1' '-1E+16' -> '9999999999999999' |
| 331 | ddsub465 subtract '7E+15' '1' -> '6999999999999999' |
| 332 | ddsub466 subtract '7E+12' '-1.111' -> '7000000000001.111' |
| 333 | ddsub467 subtract '1.111' '-7E+12' -> '7000000000001.111' |
| 334 | ddsub468 subtract '-1' '-7E+15' -> '6999999999999999' |
| 335 | |
| 336 | -- 1234567890123456 1234567890123456 1 23456789012345 |
| 337 | ddsub470 subtract '0.4444444444444444' '-0.5555555555555563' -> '1.000000000000001' Inexact Rounded |
| 338 | ddsub471 subtract '0.4444444444444444' '-0.5555555555555562' -> '1.000000000000001' Inexact Rounded |
| 339 | ddsub472 subtract '0.4444444444444444' '-0.5555555555555561' -> '1.000000000000000' Inexact Rounded |
| 340 | ddsub473 subtract '0.4444444444444444' '-0.5555555555555560' -> '1.000000000000000' Inexact Rounded |
| 341 | ddsub474 subtract '0.4444444444444444' '-0.5555555555555559' -> '1.000000000000000' Inexact Rounded |
| 342 | ddsub475 subtract '0.4444444444444444' '-0.5555555555555558' -> '1.000000000000000' Inexact Rounded |
| 343 | ddsub476 subtract '0.4444444444444444' '-0.5555555555555557' -> '1.000000000000000' Inexact Rounded |
| 344 | ddsub477 subtract '0.4444444444444444' '-0.5555555555555556' -> '1.000000000000000' Rounded |
| 345 | ddsub478 subtract '0.4444444444444444' '-0.5555555555555555' -> '0.9999999999999999' |
| 346 | ddsub479 subtract '0.4444444444444444' '-0.5555555555555554' -> '0.9999999999999998' |
| 347 | ddsub480 subtract '0.4444444444444444' '-0.5555555555555553' -> '0.9999999999999997' |
| 348 | ddsub481 subtract '0.4444444444444444' '-0.5555555555555552' -> '0.9999999999999996' |
| 349 | ddsub482 subtract '0.4444444444444444' '-0.5555555555555551' -> '0.9999999999999995' |
| 350 | ddsub483 subtract '0.4444444444444444' '-0.5555555555555550' -> '0.9999999999999994' |
| 351 | |
| 352 | -- and some more, including residue effects and different roundings |
| 353 | rounding: half_up |
| 354 | ddsub500 subtract '1231234567456789' 0 -> '1231234567456789' |
| 355 | ddsub501 subtract '1231234567456789' 0.000000001 -> '1231234567456789' Inexact Rounded |
| 356 | ddsub502 subtract '1231234567456789' 0.000001 -> '1231234567456789' Inexact Rounded |
| 357 | ddsub503 subtract '1231234567456789' 0.1 -> '1231234567456789' Inexact Rounded |
| 358 | ddsub504 subtract '1231234567456789' 0.4 -> '1231234567456789' Inexact Rounded |
| 359 | ddsub505 subtract '1231234567456789' 0.49 -> '1231234567456789' Inexact Rounded |
| 360 | ddsub506 subtract '1231234567456789' 0.499999 -> '1231234567456789' Inexact Rounded |
| 361 | ddsub507 subtract '1231234567456789' 0.499999999 -> '1231234567456789' Inexact Rounded |
| 362 | ddsub508 subtract '1231234567456789' 0.5 -> '1231234567456789' Inexact Rounded |
| 363 | ddsub509 subtract '1231234567456789' 0.500000001 -> '1231234567456788' Inexact Rounded |
| 364 | ddsub510 subtract '1231234567456789' 0.500001 -> '1231234567456788' Inexact Rounded |
| 365 | ddsub511 subtract '1231234567456789' 0.51 -> '1231234567456788' Inexact Rounded |
| 366 | ddsub512 subtract '1231234567456789' 0.6 -> '1231234567456788' Inexact Rounded |
| 367 | ddsub513 subtract '1231234567456789' 0.9 -> '1231234567456788' Inexact Rounded |
| 368 | ddsub514 subtract '1231234567456789' 0.99999 -> '1231234567456788' Inexact Rounded |
| 369 | ddsub515 subtract '1231234567456789' 0.999999999 -> '1231234567456788' Inexact Rounded |
| 370 | ddsub516 subtract '1231234567456789' 1 -> '1231234567456788' |
| 371 | ddsub517 subtract '1231234567456789' 1.000000001 -> '1231234567456788' Inexact Rounded |
| 372 | ddsub518 subtract '1231234567456789' 1.00001 -> '1231234567456788' Inexact Rounded |
| 373 | ddsub519 subtract '1231234567456789' 1.1 -> '1231234567456788' Inexact Rounded |
| 374 | |
| 375 | rounding: half_even |
| 376 | ddsub520 subtract '1231234567456789' 0 -> '1231234567456789' |
| 377 | ddsub521 subtract '1231234567456789' 0.000000001 -> '1231234567456789' Inexact Rounded |
| 378 | ddsub522 subtract '1231234567456789' 0.000001 -> '1231234567456789' Inexact Rounded |
| 379 | ddsub523 subtract '1231234567456789' 0.1 -> '1231234567456789' Inexact Rounded |
| 380 | ddsub524 subtract '1231234567456789' 0.4 -> '1231234567456789' Inexact Rounded |
| 381 | ddsub525 subtract '1231234567456789' 0.49 -> '1231234567456789' Inexact Rounded |
| 382 | ddsub526 subtract '1231234567456789' 0.499999 -> '1231234567456789' Inexact Rounded |
| 383 | ddsub527 subtract '1231234567456789' 0.499999999 -> '1231234567456789' Inexact Rounded |
| 384 | ddsub528 subtract '1231234567456789' 0.5 -> '1231234567456788' Inexact Rounded |
| 385 | ddsub529 subtract '1231234567456789' 0.500000001 -> '1231234567456788' Inexact Rounded |
| 386 | ddsub530 subtract '1231234567456789' 0.500001 -> '1231234567456788' Inexact Rounded |
| 387 | ddsub531 subtract '1231234567456789' 0.51 -> '1231234567456788' Inexact Rounded |
| 388 | ddsub532 subtract '1231234567456789' 0.6 -> '1231234567456788' Inexact Rounded |
| 389 | ddsub533 subtract '1231234567456789' 0.9 -> '1231234567456788' Inexact Rounded |
| 390 | ddsub534 subtract '1231234567456789' 0.99999 -> '1231234567456788' Inexact Rounded |
| 391 | ddsub535 subtract '1231234567456789' 0.999999999 -> '1231234567456788' Inexact Rounded |
| 392 | ddsub536 subtract '1231234567456789' 1 -> '1231234567456788' |
| 393 | ddsub537 subtract '1231234567456789' 1.00000001 -> '1231234567456788' Inexact Rounded |
| 394 | ddsub538 subtract '1231234567456789' 1.00001 -> '1231234567456788' Inexact Rounded |
| 395 | ddsub539 subtract '1231234567456789' 1.1 -> '1231234567456788' Inexact Rounded |
| 396 | -- critical few with even bottom digit... |
| 397 | ddsub540 subtract '1231234567456788' 0.499999999 -> '1231234567456788' Inexact Rounded |
| 398 | ddsub541 subtract '1231234567456788' 0.5 -> '1231234567456788' Inexact Rounded |
| 399 | ddsub542 subtract '1231234567456788' 0.500000001 -> '1231234567456787' Inexact Rounded |
| 400 | |
| 401 | rounding: down |
| 402 | ddsub550 subtract '1231234567456789' 0 -> '1231234567456789' |
| 403 | ddsub551 subtract '1231234567456789' 0.000000001 -> '1231234567456788' Inexact Rounded |
| 404 | ddsub552 subtract '1231234567456789' 0.000001 -> '1231234567456788' Inexact Rounded |
| 405 | ddsub553 subtract '1231234567456789' 0.1 -> '1231234567456788' Inexact Rounded |
| 406 | ddsub554 subtract '1231234567456789' 0.4 -> '1231234567456788' Inexact Rounded |
| 407 | ddsub555 subtract '1231234567456789' 0.49 -> '1231234567456788' Inexact Rounded |
| 408 | ddsub556 subtract '1231234567456789' 0.499999 -> '1231234567456788' Inexact Rounded |
| 409 | ddsub557 subtract '1231234567456789' 0.499999999 -> '1231234567456788' Inexact Rounded |
| 410 | ddsub558 subtract '1231234567456789' 0.5 -> '1231234567456788' Inexact Rounded |
| 411 | ddsub559 subtract '1231234567456789' 0.500000001 -> '1231234567456788' Inexact Rounded |
| 412 | ddsub560 subtract '1231234567456789' 0.500001 -> '1231234567456788' Inexact Rounded |
| 413 | ddsub561 subtract '1231234567456789' 0.51 -> '1231234567456788' Inexact Rounded |
| 414 | ddsub562 subtract '1231234567456789' 0.6 -> '1231234567456788' Inexact Rounded |
| 415 | ddsub563 subtract '1231234567456789' 0.9 -> '1231234567456788' Inexact Rounded |
| 416 | ddsub564 subtract '1231234567456789' 0.99999 -> '1231234567456788' Inexact Rounded |
| 417 | ddsub565 subtract '1231234567456789' 0.999999999 -> '1231234567456788' Inexact Rounded |
| 418 | ddsub566 subtract '1231234567456789' 1 -> '1231234567456788' |
| 419 | ddsub567 subtract '1231234567456789' 1.00000001 -> '1231234567456787' Inexact Rounded |
| 420 | ddsub568 subtract '1231234567456789' 1.00001 -> '1231234567456787' Inexact Rounded |
| 421 | ddsub569 subtract '1231234567456789' 1.1 -> '1231234567456787' Inexact Rounded |
| 422 | |
| 423 | -- symmetry... |
| 424 | rounding: half_up |
| 425 | ddsub600 subtract 0 '1231234567456789' -> '-1231234567456789' |
| 426 | ddsub601 subtract 0.000000001 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 427 | ddsub602 subtract 0.000001 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 428 | ddsub603 subtract 0.1 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 429 | ddsub604 subtract 0.4 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 430 | ddsub605 subtract 0.49 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 431 | ddsub606 subtract 0.499999 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 432 | ddsub607 subtract 0.499999999 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 433 | ddsub608 subtract 0.5 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 434 | ddsub609 subtract 0.500000001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 435 | ddsub610 subtract 0.500001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 436 | ddsub611 subtract 0.51 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 437 | ddsub612 subtract 0.6 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 438 | ddsub613 subtract 0.9 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 439 | ddsub614 subtract 0.99999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 440 | ddsub615 subtract 0.999999999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 441 | ddsub616 subtract 1 '1231234567456789' -> '-1231234567456788' |
| 442 | ddsub617 subtract 1.000000001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 443 | ddsub618 subtract 1.00001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 444 | ddsub619 subtract 1.1 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 445 | |
| 446 | rounding: half_even |
| 447 | ddsub620 subtract 0 '1231234567456789' -> '-1231234567456789' |
| 448 | ddsub621 subtract 0.000000001 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 449 | ddsub622 subtract 0.000001 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 450 | ddsub623 subtract 0.1 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 451 | ddsub624 subtract 0.4 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 452 | ddsub625 subtract 0.49 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 453 | ddsub626 subtract 0.499999 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 454 | ddsub627 subtract 0.499999999 '1231234567456789' -> '-1231234567456789' Inexact Rounded |
| 455 | ddsub628 subtract 0.5 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 456 | ddsub629 subtract 0.500000001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 457 | ddsub630 subtract 0.500001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 458 | ddsub631 subtract 0.51 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 459 | ddsub632 subtract 0.6 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 460 | ddsub633 subtract 0.9 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 461 | ddsub634 subtract 0.99999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 462 | ddsub635 subtract 0.999999999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 463 | ddsub636 subtract 1 '1231234567456789' -> '-1231234567456788' |
| 464 | ddsub637 subtract 1.00000001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 465 | ddsub638 subtract 1.00001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 466 | ddsub639 subtract 1.1 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 467 | -- critical few with even bottom digit... |
| 468 | ddsub640 subtract 0.499999999 '1231234567456788' -> '-1231234567456788' Inexact Rounded |
| 469 | ddsub641 subtract 0.5 '1231234567456788' -> '-1231234567456788' Inexact Rounded |
| 470 | ddsub642 subtract 0.500000001 '1231234567456788' -> '-1231234567456787' Inexact Rounded |
| 471 | |
| 472 | rounding: down |
| 473 | ddsub650 subtract 0 '1231234567456789' -> '-1231234567456789' |
| 474 | ddsub651 subtract 0.000000001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 475 | ddsub652 subtract 0.000001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 476 | ddsub653 subtract 0.1 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 477 | ddsub654 subtract 0.4 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 478 | ddsub655 subtract 0.49 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 479 | ddsub656 subtract 0.499999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 480 | ddsub657 subtract 0.499999999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 481 | ddsub658 subtract 0.5 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 482 | ddsub659 subtract 0.500000001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 483 | ddsub660 subtract 0.500001 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 484 | ddsub661 subtract 0.51 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 485 | ddsub662 subtract 0.6 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 486 | ddsub663 subtract 0.9 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 487 | ddsub664 subtract 0.99999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 488 | ddsub665 subtract 0.999999999 '1231234567456789' -> '-1231234567456788' Inexact Rounded |
| 489 | ddsub666 subtract 1 '1231234567456789' -> '-1231234567456788' |
| 490 | ddsub667 subtract 1.00000001 '1231234567456789' -> '-1231234567456787' Inexact Rounded |
| 491 | ddsub668 subtract 1.00001 '1231234567456789' -> '-1231234567456787' Inexact Rounded |
| 492 | ddsub669 subtract 1.1 '1231234567456789' -> '-1231234567456787' Inexact Rounded |
| 493 | |
| 494 | |
| 495 | -- lots of leading zeros in intermediate result, and showing effects of |
| 496 | -- input rounding would have affected the following |
| 497 | rounding: half_up |
| 498 | ddsub670 subtract '1234567456789' '1234567456788.1' -> 0.9 |
| 499 | ddsub671 subtract '1234567456789' '1234567456788.9' -> 0.1 |
| 500 | ddsub672 subtract '1234567456789' '1234567456789.1' -> -0.1 |
| 501 | ddsub673 subtract '1234567456789' '1234567456789.5' -> -0.5 |
| 502 | ddsub674 subtract '1234567456789' '1234567456789.9' -> -0.9 |
| 503 | |
| 504 | rounding: half_even |
| 505 | ddsub680 subtract '1234567456789' '1234567456788.1' -> 0.9 |
| 506 | ddsub681 subtract '1234567456789' '1234567456788.9' -> 0.1 |
| 507 | ddsub682 subtract '1234567456789' '1234567456789.1' -> -0.1 |
| 508 | ddsub683 subtract '1234567456789' '1234567456789.5' -> -0.5 |
| 509 | ddsub684 subtract '1234567456789' '1234567456789.9' -> -0.9 |
| 510 | |
| 511 | ddsub685 subtract '1234567456788' '1234567456787.1' -> 0.9 |
| 512 | ddsub686 subtract '1234567456788' '1234567456787.9' -> 0.1 |
| 513 | ddsub687 subtract '1234567456788' '1234567456788.1' -> -0.1 |
| 514 | ddsub688 subtract '1234567456788' '1234567456788.5' -> -0.5 |
| 515 | ddsub689 subtract '1234567456788' '1234567456788.9' -> -0.9 |
| 516 | |
| 517 | rounding: down |
| 518 | ddsub690 subtract '1234567456789' '1234567456788.1' -> 0.9 |
| 519 | ddsub691 subtract '1234567456789' '1234567456788.9' -> 0.1 |
| 520 | ddsub692 subtract '1234567456789' '1234567456789.1' -> -0.1 |
| 521 | ddsub693 subtract '1234567456789' '1234567456789.5' -> -0.5 |
| 522 | ddsub694 subtract '1234567456789' '1234567456789.9' -> -0.9 |
| 523 | |
| 524 | -- Specials |
| 525 | ddsub780 subtract -Inf Inf -> -Infinity |
| 526 | ddsub781 subtract -Inf 1000 -> -Infinity |
| 527 | ddsub782 subtract -Inf 1 -> -Infinity |
| 528 | ddsub783 subtract -Inf -0 -> -Infinity |
| 529 | ddsub784 subtract -Inf -1 -> -Infinity |
| 530 | ddsub785 subtract -Inf -1000 -> -Infinity |
| 531 | ddsub787 subtract -1000 Inf -> -Infinity |
| 532 | ddsub788 subtract -Inf Inf -> -Infinity |
| 533 | ddsub789 subtract -1 Inf -> -Infinity |
| 534 | ddsub790 subtract 0 Inf -> -Infinity |
| 535 | ddsub791 subtract 1 Inf -> -Infinity |
| 536 | ddsub792 subtract 1000 Inf -> -Infinity |
| 537 | |
| 538 | ddsub800 subtract Inf Inf -> NaN Invalid_operation |
| 539 | ddsub801 subtract Inf 1000 -> Infinity |
| 540 | ddsub802 subtract Inf 1 -> Infinity |
| 541 | ddsub803 subtract Inf 0 -> Infinity |
| 542 | ddsub804 subtract Inf -0 -> Infinity |
| 543 | ddsub805 subtract Inf -1 -> Infinity |
| 544 | ddsub806 subtract Inf -1000 -> Infinity |
| 545 | ddsub807 subtract Inf -Inf -> Infinity |
| 546 | ddsub808 subtract -1000 -Inf -> Infinity |
| 547 | ddsub809 subtract -Inf -Inf -> NaN Invalid_operation |
| 548 | ddsub810 subtract -1 -Inf -> Infinity |
| 549 | ddsub811 subtract -0 -Inf -> Infinity |
| 550 | ddsub812 subtract 0 -Inf -> Infinity |
| 551 | ddsub813 subtract 1 -Inf -> Infinity |
| 552 | ddsub814 subtract 1000 -Inf -> Infinity |
| 553 | ddsub815 subtract Inf -Inf -> Infinity |
| 554 | |
| 555 | ddsub821 subtract NaN Inf -> NaN |
| 556 | ddsub822 subtract -NaN 1000 -> -NaN |
| 557 | ddsub823 subtract NaN 1 -> NaN |
| 558 | ddsub824 subtract NaN 0 -> NaN |
| 559 | ddsub825 subtract NaN -0 -> NaN |
| 560 | ddsub826 subtract NaN -1 -> NaN |
| 561 | ddsub827 subtract NaN -1000 -> NaN |
| 562 | ddsub828 subtract NaN -Inf -> NaN |
| 563 | ddsub829 subtract -NaN NaN -> -NaN |
| 564 | ddsub830 subtract -Inf NaN -> NaN |
| 565 | ddsub831 subtract -1000 NaN -> NaN |
| 566 | ddsub832 subtract -1 NaN -> NaN |
| 567 | ddsub833 subtract -0 NaN -> NaN |
| 568 | ddsub834 subtract 0 NaN -> NaN |
| 569 | ddsub835 subtract 1 NaN -> NaN |
| 570 | ddsub836 subtract 1000 -NaN -> -NaN |
| 571 | ddsub837 subtract Inf NaN -> NaN |
| 572 | |
| 573 | ddsub841 subtract sNaN Inf -> NaN Invalid_operation |
| 574 | ddsub842 subtract -sNaN 1000 -> -NaN Invalid_operation |
| 575 | ddsub843 subtract sNaN 1 -> NaN Invalid_operation |
| 576 | ddsub844 subtract sNaN 0 -> NaN Invalid_operation |
| 577 | ddsub845 subtract sNaN -0 -> NaN Invalid_operation |
| 578 | ddsub846 subtract sNaN -1 -> NaN Invalid_operation |
| 579 | ddsub847 subtract sNaN -1000 -> NaN Invalid_operation |
| 580 | ddsub848 subtract sNaN NaN -> NaN Invalid_operation |
| 581 | ddsub849 subtract sNaN sNaN -> NaN Invalid_operation |
| 582 | ddsub850 subtract NaN sNaN -> NaN Invalid_operation |
| 583 | ddsub851 subtract -Inf -sNaN -> -NaN Invalid_operation |
| 584 | ddsub852 subtract -1000 sNaN -> NaN Invalid_operation |
| 585 | ddsub853 subtract -1 sNaN -> NaN Invalid_operation |
| 586 | ddsub854 subtract -0 sNaN -> NaN Invalid_operation |
| 587 | ddsub855 subtract 0 sNaN -> NaN Invalid_operation |
| 588 | ddsub856 subtract 1 sNaN -> NaN Invalid_operation |
| 589 | ddsub857 subtract 1000 sNaN -> NaN Invalid_operation |
| 590 | ddsub858 subtract Inf sNaN -> NaN Invalid_operation |
| 591 | ddsub859 subtract NaN sNaN -> NaN Invalid_operation |
| 592 | |
| 593 | -- propagating NaNs |
| 594 | ddsub861 subtract NaN01 -Inf -> NaN1 |
| 595 | ddsub862 subtract -NaN02 -1000 -> -NaN2 |
| 596 | ddsub863 subtract NaN03 1000 -> NaN3 |
| 597 | ddsub864 subtract NaN04 Inf -> NaN4 |
| 598 | ddsub865 subtract NaN05 NaN61 -> NaN5 |
| 599 | ddsub866 subtract -Inf -NaN71 -> -NaN71 |
| 600 | ddsub867 subtract -1000 NaN81 -> NaN81 |
| 601 | ddsub868 subtract 1000 NaN91 -> NaN91 |
| 602 | ddsub869 subtract Inf NaN101 -> NaN101 |
| 603 | ddsub871 subtract sNaN011 -Inf -> NaN11 Invalid_operation |
| 604 | ddsub872 subtract sNaN012 -1000 -> NaN12 Invalid_operation |
| 605 | ddsub873 subtract -sNaN013 1000 -> -NaN13 Invalid_operation |
| 606 | ddsub874 subtract sNaN014 NaN171 -> NaN14 Invalid_operation |
| 607 | ddsub875 subtract sNaN015 sNaN181 -> NaN15 Invalid_operation |
| 608 | ddsub876 subtract NaN016 sNaN191 -> NaN191 Invalid_operation |
| 609 | ddsub877 subtract -Inf sNaN201 -> NaN201 Invalid_operation |
| 610 | ddsub878 subtract -1000 sNaN211 -> NaN211 Invalid_operation |
| 611 | ddsub879 subtract 1000 -sNaN221 -> -NaN221 Invalid_operation |
| 612 | ddsub880 subtract Inf sNaN231 -> NaN231 Invalid_operation |
| 613 | ddsub881 subtract NaN025 sNaN241 -> NaN241 Invalid_operation |
| 614 | |
| 615 | -- edge case spills |
| 616 | ddsub901 subtract 2.E-3 1.002 -> -1.000 |
| 617 | ddsub902 subtract 2.0E-3 1.002 -> -1.0000 |
| 618 | ddsub903 subtract 2.00E-3 1.0020 -> -1.00000 |
| 619 | ddsub904 subtract 2.000E-3 1.00200 -> -1.000000 |
| 620 | ddsub905 subtract 2.0000E-3 1.002000 -> -1.0000000 |
| 621 | ddsub906 subtract 2.00000E-3 1.0020000 -> -1.00000000 |
| 622 | ddsub907 subtract 2.000000E-3 1.00200000 -> -1.000000000 |
| 623 | ddsub908 subtract 2.0000000E-3 1.002000000 -> -1.0000000000 |
| 624 | |
| 625 | -- subnormals and overflows covered under Add |
| 626 | |
| 627 | -- Null tests |
| 628 | ddsub9990 subtract 10 # -> NaN Invalid_operation |
| 629 | ddsub9991 subtract # 10 -> NaN Invalid_operation |