AppPkg/Applications/Python/Python-2.7.2/Lib/test/decimaltestdata/ddCanonical.decTest

   1 ------------------------------------------------------------------------
   2 -- ddCanonical.decTest -- test decDouble canonical results            --
   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 file tests that copy operations leave uncanonical operands
  23 -- unchanged, and vice versa
  24 -- All operands and results are decDoubles.
  25 precision:   16
  26 maxExponent: 384
  27 minExponent: -383
  28 extended:    1
  29 clamp:       1
  30 rounding:    half_even
  31
  32 -- Uncanonical declets are: abc, where:
  33 --   a=1,2,3
  34 --   b=6,7,e,f
  35 --   c=e,f
  36
  37 -- assert some standard (canonical) values; this tests that FromString
  38 -- produces canonical results (many more in decimalNN)
  39 ddcan001 apply 9.999999999999999E+384 -> #77fcff3fcff3fcff
  40 ddcan002 apply 0                      -> #2238000000000000
  41 ddcan003 apply 1                      -> #2238000000000001
  42 ddcan004 apply -1                     -> #a238000000000001
  43 ddcan005 apply Infinity               -> #7800000000000000
  44 ddcan006 apply -Infinity              -> #f800000000000000
  45 ddcan007 apply -NaN                   -> #fc00000000000000
  46 ddcan008 apply -sNaN                  -> #fe00000000000000
  47 ddcan009 apply NaN999999999999999     -> #7c00ff3fcff3fcff
  48 ddcan010 apply sNaN999999999999999    -> #7e00ff3fcff3fcff
  49 decan011 apply  9999999999999999      -> #6e38ff3fcff3fcff
  50 ddcan012 apply 7.50                   -> #22300000000003d0
  51 ddcan013 apply 9.99                   -> #22300000000000ff
  52
  53 -- Base tests for canonical encodings (individual operator
  54 -- propagation is tested later)
  55
  56 -- Finites: declets in coefficient
  57 ddcan021 canonical  #77fcff3fcff3fcff  -> #77fcff3fcff3fcff
  58 ddcan022 canonical  #77fcff3fcff3fcff  -> #77fcff3fcff3fcff
  59 ddcan023 canonical  #77ffff3fcff3fcff  -> #77fcff3fcff3fcff
  60 ddcan024 canonical  #77ffff3fcff3fcff  -> #77fcff3fcff3fcff
  61 ddcan025 canonical  #77fcffffcff3fcff  -> #77fcff3fcff3fcff
  62 ddcan026 canonical  #77fcffffcff3fcff  -> #77fcff3fcff3fcff
  63 ddcan027 canonical  #77fcff3ffff3fcff  -> #77fcff3fcff3fcff
  64 ddcan028 canonical  #77fcff3ffff3fcff  -> #77fcff3fcff3fcff
  65 ddcan030 canonical  #77fcff3fcffffcff  -> #77fcff3fcff3fcff
  66 ddcan031 canonical  #77fcff3fcffffcff  -> #77fcff3fcff3fcff
  67 ddcan032 canonical  #77fcff3fcff3ffff  -> #77fcff3fcff3fcff
  68 ddcan033 canonical  #77fcff3fcff3ffff  -> #77fcff3fcff3fcff
  69 ddcan035 canonical  #77fcff3fdff3fcff  -> #77fcff3fcff3fcff
  70 ddcan036 canonical  #77fcff3feff3fcff  -> #77fcff3fcff3fcff
  71
  72 -- NaN: declets in payload
  73 ddcan100 canonical  NaN999999999999999 -> #7c00ff3fcff3fcff
  74 ddcan101 canonical  #7c00ff3fcff3fcff  -> #7c00ff3fcff3fcff
  75 ddcan102 canonical  #7c03ff3fcff3fcff  -> #7c00ff3fcff3fcff
  76 ddcan103 canonical  #7c00ffffcff3fcff  -> #7c00ff3fcff3fcff
  77 ddcan104 canonical  #7c00ff3ffff3fcff  -> #7c00ff3fcff3fcff
  78 ddcan105 canonical  #7c00ff3fcffffcff  -> #7c00ff3fcff3fcff
  79 ddcan106 canonical  #7c00ff3fcff3ffff  -> #7c00ff3fcff3fcff
  80 ddcan107 canonical  #7c00ff3fcff3ffff  -> #7c00ff3fcff3fcff
  81 -- NaN: exponent continuation bits [excluding sNaN selector]
  82 ddcan110 canonical  #7c00ff3fcff3fcff  -> #7c00ff3fcff3fcff
  83 ddcan112 canonical  #7d00ff3fcff3fcff  -> #7c00ff3fcff3fcff
  84 ddcan113 canonical  #7c80ff3fcff3fcff  -> #7c00ff3fcff3fcff
  85 ddcan114 canonical  #7c40ff3fcff3fcff  -> #7c00ff3fcff3fcff
  86 ddcan115 canonical  #7c20ff3fcff3fcff  -> #7c00ff3fcff3fcff
  87 ddcan116 canonical  #7c10ff3fcff3fcff  -> #7c00ff3fcff3fcff
  88 ddcan117 canonical  #7c08ff3fcff3fcff  -> #7c00ff3fcff3fcff
  89 ddcan118 canonical  #7c04ff3fcff3fcff  -> #7c00ff3fcff3fcff
  90
  91 -- sNaN: declets in payload
  92 ddcan120 canonical sNaN999999999999999 -> #7e00ff3fcff3fcff
  93 ddcan121 canonical  #7e00ff3fcff3fcff  -> #7e00ff3fcff3fcff
  94 ddcan122 canonical  #7e03ff3fcff3fcff  -> #7e00ff3fcff3fcff
  95 ddcan123 canonical  #7e00ffffcff3fcff  -> #7e00ff3fcff3fcff
  96 ddcan124 canonical  #7e00ff3ffff3fcff  -> #7e00ff3fcff3fcff
  97 ddcan125 canonical  #7e00ff3fcffffcff  -> #7e00ff3fcff3fcff
  98 ddcan126 canonical  #7e00ff3fcff3ffff  -> #7e00ff3fcff3fcff
  99 ddcan127 canonical  #7e00ff3fcff3ffff  -> #7e00ff3fcff3fcff
 100 -- sNaN: exponent continuation bits [excluding sNaN selector]
 101 ddcan130 canonical  #7e00ff3fcff3fcff  -> #7e00ff3fcff3fcff
 102 ddcan132 canonical  #7f00ff3fcff3fcff  -> #7e00ff3fcff3fcff
 103 ddcan133 canonical  #7e80ff3fcff3fcff  -> #7e00ff3fcff3fcff
 104 ddcan134 canonical  #7e40ff3fcff3fcff  -> #7e00ff3fcff3fcff
 105 ddcan135 canonical  #7e20ff3fcff3fcff  -> #7e00ff3fcff3fcff
 106 ddcan136 canonical  #7e10ff3fcff3fcff  -> #7e00ff3fcff3fcff
 107 ddcan137 canonical  #7e08ff3fcff3fcff  -> #7e00ff3fcff3fcff
 108 ddcan138 canonical  #7e04ff3fcff3fcff  -> #7e00ff3fcff3fcff
 109
 110 -- Inf: exponent continuation bits
 111 ddcan140 canonical  #7800000000000000  -> #7800000000000000
 112 ddcan141 canonical  #7900000000000000  -> #7800000000000000
 113 ddcan142 canonical  #7a00000000000000  -> #7800000000000000
 114 ddcan143 canonical  #7880000000000000  -> #7800000000000000
 115 ddcan144 canonical  #7840000000000000  -> #7800000000000000
 116 ddcan145 canonical  #7820000000000000  -> #7800000000000000
 117 ddcan146 canonical  #7810000000000000  -> #7800000000000000
 118 ddcan147 canonical  #7808000000000000  -> #7800000000000000
 119 ddcan148 canonical  #7804000000000000  -> #7800000000000000
 120
 121 -- Inf: coefficient continuation bits (first, last, and a few others)
 122 ddcan150 canonical  #7800000000000000  -> #7800000000000000
 123 ddcan151 canonical  #7802000000000000  -> #7800000000000000
 124 ddcan152 canonical  #7800000000000001  -> #7800000000000000
 125 ddcan153 canonical  #7801000000000000  -> #7800000000000000
 126 ddcan154 canonical  #7800200000000000  -> #7800000000000000
 127 ddcan155 canonical  #7800080000000000  -> #7800000000000000
 128 ddcan156 canonical  #7800002000000000  -> #7800000000000000
 129 ddcan157 canonical  #7800000400000000  -> #7800000000000000
 130 ddcan158 canonical  #7800000040000000  -> #7800000000000000
 131 ddcan159 canonical  #7800000008000000  -> #7800000000000000
 132 ddcan160 canonical  #7800000000400000  -> #7800000000000000
 133 ddcan161 canonical  #7800000000020000  -> #7800000000000000
 134 ddcan162 canonical  #7800000000008000  -> #7800000000000000
 135 ddcan163 canonical  #7800000000000200  -> #7800000000000000
 136 ddcan164 canonical  #7800000000000040  -> #7800000000000000
 137 ddcan165 canonical  #7800000000000008  -> #7800000000000000
 138
 139
 140 -- Now the operators -- trying to check paths that might fail to
 141 -- canonicalize propagated operands
 142
 143 ----- Add:
 144 -- Finites: neutral 0
 145 ddcan202 add  0E+384 #77ffff3fcff3fcff        -> #77fcff3fcff3fcff
 146 ddcan203 add         #77fcffffcff3fcff 0E+384 -> #77fcff3fcff3fcff
 147 -- tiny zero
 148 ddcan204 add  0E-398 #77ffff3fcff3fcff        -> #77fcff3fcff3fcff Rounded
 149 ddcan205 add         #77fcffffcff3fcff 0E-398 -> #77fcff3fcff3fcff Rounded
 150 -- tiny non zero
 151 ddcan206 add -1E-398 #77ffff3fcff3fcff         -> #77fcff3fcff3fcff Inexact Rounded
 152 ddcan207 add         #77ffff3fcff3fcff -1E-398 -> #77fcff3fcff3fcff Inexact Rounded
 153 -- NaN: declets in payload
 154 ddcan211 add  0  #7c03ff3fcff3fcff      -> #7c00ff3fcff3fcff
 155 ddcan212 add     #7c03ff3fcff3fcff  0   -> #7c00ff3fcff3fcff
 156 -- NaN: exponent continuation bits [excluding sNaN selector]
 157 ddcan213 add  0  #7c40ff3fcff3fcff      -> #7c00ff3fcff3fcff
 158 ddcan214 add     #7c40ff3fcff3fcff  0   -> #7c00ff3fcff3fcff
 159 -- sNaN: declets in payload
 160 ddcan215 add  0  #7e00ffffcff3fcff      -> #7c00ff3fcff3fcff Invalid_operation
 161 ddcan216 add     #7e00ffffcff3fcff  0   -> #7c00ff3fcff3fcff Invalid_operation
 162 -- sNaN: exponent continuation bits [excluding sNaN selector]
 163 ddcan217 add  0  #7e80ff3fcff3fcff      -> #7c00ff3fcff3fcff Invalid_operation
 164 ddcan218 add     #7e80ff3fcff3fcff  0   -> #7c00ff3fcff3fcff Invalid_operation
 165 -- Inf: exponent continuation bits
 166 ddcan220 add  0  #7880000000000000      -> #7800000000000000
 167 ddcan221 add     #7880000000000000  0   -> #7800000000000000
 168 -- Inf: coefficient continuation bits
 169 ddcan222 add  0  #7802000000000000     -> #7800000000000000
 170 ddcan223 add     #7802000000000000  0  -> #7800000000000000
 171 ddcan224 add  0  #7800000000000001     -> #7800000000000000
 172 ddcan225 add     #7800000000000001  0  -> #7800000000000000
 173 ddcan226 add  0  #7800002000000000     -> #7800000000000000
 174 ddcan227 add     #7800002000000000  0  -> #7800000000000000
 175
 176 ----- Class: [does not return encoded]
 177
 178 ----- Compare:
 179 ddcan231 compare -Inf   1     ->  #a238000000000001
 180 ddcan232 compare -Inf  -Inf   ->  #2238000000000000
 181 ddcan233 compare  1    -Inf   ->  #2238000000000001
 182 ddcan234 compare  #7c00ff3ffff3fcff -1000  ->  #7c00ff3fcff3fcff
 183 ddcan235 compare  #7e00ff3ffff3fcff -1000  ->  #7c00ff3fcff3fcff  Invalid_operation
 184
 185 ----- CompareSig:
 186 ddcan241 comparesig -Inf   1     ->  #a238000000000001
 187 ddcan242 comparesig -Inf  -Inf   ->  #2238000000000000
 188 ddcan243 comparesig  1    -Inf   ->  #2238000000000001
 189 ddcan244 comparesig  #7c00ff3ffff3fcff -1000  ->  #7c00ff3fcff3fcff  Invalid_operation
 190 ddcan245 comparesig  #7e00ff3ffff3fcff -1000  ->  #7c00ff3fcff3fcff  Invalid_operation
 191
 192 ----- Copy: [does not usually canonicalize]
 193 -- finites
 194 ddcan250 copy  #77ffff3fcff3fcff  -> #77ffff3fcff3fcff
 195 ddcan251 copy  #77fcff3fdff3fcff  -> #77fcff3fdff3fcff
 196 -- NaNs
 197 ddcan252 copy  #7c03ff3fcff3fcff  -> #7c03ff3fcff3fcff
 198 ddcan253 copy  #7c00ff3fcff3ffff  -> #7c00ff3fcff3ffff
 199 ddcan254 copy  #7d00ff3fcff3fcff  -> #7d00ff3fcff3fcff
 200 ddcan255 copy  #7c04ff3fcff3fcff  -> #7c04ff3fcff3fcff
 201 -- sNaN
 202 ddcan256 copy  #7e00ff3fcffffcff  -> #7e00ff3fcffffcff
 203 ddcan257 copy  #7e40ff3fcff3fcff  -> #7e40ff3fcff3fcff
 204 -- Inf
 205 ddcan258 copy  #7a00000000000000  -> #7a00000000000000
 206 ddcan259 copy  #7800200000000000  -> #7800200000000000
 207
 208 ----- CopyAbs: [does not usually canonicalize]
 209 -- finites
 210 ddcan260 copyabs  #f7ffff3fcff3fcff  -> #77ffff3fcff3fcff
 211 ddcan261 copyabs  #f7fcff3fdff3fcff  -> #77fcff3fdff3fcff
 212 -- NaNs
 213 ddcan262 copyabs  #fc03ff3fcff3fcff  -> #7c03ff3fcff3fcff
 214 ddcan263 copyabs  #fc00ff3fcff3ffff  -> #7c00ff3fcff3ffff
 215 ddcan264 copyabs  #fd00ff3fcff3fcff  -> #7d00ff3fcff3fcff
 216 ddcan265 copyabs  #fc04ff3fcff3fcff  -> #7c04ff3fcff3fcff
 217 -- sNaN
 218 ddcan266 copyabs  #fe00ff3fcffffcff  -> #7e00ff3fcffffcff
 219 ddcan267 copyabs  #fe40ff3fcff3fcff  -> #7e40ff3fcff3fcff
 220 -- Inf
 221 ddcan268 copyabs  #fa00000000000000  -> #7a00000000000000
 222 ddcan269 copyabs  #f800200000000000  -> #7800200000000000
 223
 224 ----- CopyNegate: [does not usually canonicalize]
 225 -- finites
 226 ddcan270 copynegate  #77ffff3fcff3fcff  -> #f7ffff3fcff3fcff
 227 ddcan271 copynegate  #77fcff3fdff3fcff  -> #f7fcff3fdff3fcff
 228 -- NaNs
 229 ddcan272 copynegate  #7c03ff3fcff3fcff  -> #fc03ff3fcff3fcff
 230 ddcan273 copynegate  #7c00ff3fcff3ffff  -> #fc00ff3fcff3ffff
 231 ddcan274 copynegate  #7d00ff3fcff3fcff  -> #fd00ff3fcff3fcff
 232 ddcan275 copynegate  #7c04ff3fcff3fcff  -> #fc04ff3fcff3fcff
 233 -- sNaN
 234 ddcan276 copynegate  #7e00ff3fcffffcff  -> #fe00ff3fcffffcff
 235 ddcan277 copynegate  #7e40ff3fcff3fcff  -> #fe40ff3fcff3fcff
 236 -- Inf
 237 ddcan278 copynegate  #7a00000000000000  -> #fa00000000000000
 238 ddcan279 copynegate  #7800200000000000  -> #f800200000000000
 239
 240 ----- CopySign: [does not usually canonicalize]
 241 -- finites
 242 ddcan280 copysign  #77ffff3fcff3fcff -1 -> #f7ffff3fcff3fcff
 243 ddcan281 copysign  #77fcff3fdff3fcff  1 -> #77fcff3fdff3fcff
 244 -- NaNs
 245 ddcan282 copysign  #7c03ff3fcff3fcff -1 -> #fc03ff3fcff3fcff
 246 ddcan283 copysign  #7c00ff3fcff3ffff  1 -> #7c00ff3fcff3ffff
 247 ddcan284 copysign  #7d00ff3fcff3fcff -1 -> #fd00ff3fcff3fcff
 248 ddcan285 copysign  #7c04ff3fcff3fcff  1 -> #7c04ff3fcff3fcff
 249 -- sNaN
 250 ddcan286 copysign  #7e00ff3fcffffcff -1 -> #fe00ff3fcffffcff
 251 ddcan287 copysign  #7e40ff3fcff3fcff  1 -> #7e40ff3fcff3fcff
 252 -- Inf
 253 ddcan288 copysign  #7a00000000000000 -1 -> #fa00000000000000
 254 ddcan289 copysign  #7800200000000000  1 -> #7800200000000000
 255
 256 ----- Multiply:
 257 -- Finites: neutral 0
 258 ddcan302 multiply  1      #77ffff3fcff3fcff        -> #77fcff3fcff3fcff
 259 ddcan303 multiply         #77fcffffcff3fcff  1     -> #77fcff3fcff3fcff
 260 -- negative
 261 ddcan306 multiply -1      #77ffff3fcff3fcff        -> #f7fcff3fcff3fcff
 262 ddcan307 multiply         #77fcffffcff3fcff -1     -> #f7fcff3fcff3fcff
 263 -- NaN: declets in payload
 264 ddcan311 multiply  1  #7c03ff3fcff3fcff      -> #7c00ff3fcff3fcff
 265 ddcan312 multiply     #7c03ff3fcff3fcff  1   -> #7c00ff3fcff3fcff
 266 -- NaN: exponent continuation bits [excluding sNaN selector]
 267 ddcan313 multiply  1  #7c40ff3fcff3fcff      -> #7c00ff3fcff3fcff
 268 ddcan314 multiply     #7c40ff3fcff3fcff  1   -> #7c00ff3fcff3fcff
 269 -- sNaN: declets in payload
 270 ddcan315 multiply  1  #7e00ffffcff3fcff      -> #7c00ff3fcff3fcff Invalid_operation
 271 ddcan316 multiply     #7e00ffffcff3fcff  1   -> #7c00ff3fcff3fcff Invalid_operation
 272 -- sNaN: exponent continuation bits [excluding sNaN selector]
 273 ddcan317 multiply  1  #7e80ff3fcff3fcff      -> #7c00ff3fcff3fcff Invalid_operation
 274 ddcan318 multiply     #7e80ff3fcff3fcff  1   -> #7c00ff3fcff3fcff Invalid_operation
 275 -- Inf: exponent continuation bits
 276 ddcan320 multiply  1  #7880000000000000      -> #7800000000000000
 277 ddcan321 multiply     #7880000000000000  1   -> #7800000000000000
 278 -- Inf: coefficient continuation bits
 279 ddcan322 multiply  1  #7802000000000000     -> #7800000000000000
 280 ddcan323 multiply     #7802000000000000  1  -> #7800000000000000
 281 ddcan324 multiply  1  #7800000000000001     -> #7800000000000000
 282 ddcan325 multiply     #7800000000000001  1  -> #7800000000000000
 283 ddcan326 multiply  1  #7800002000000000     -> #7800000000000000
 284 ddcan327 multiply     #7800002000000000  1  -> #7800000000000000
 285
 286 ----- Quantize:
 287 ddcan401 quantize  #6e38ff3ffff3fcff 1    -> #6e38ff3fcff3fcff
 288 ddcan402 quantize  #6e38ff3fcff3fdff 0    -> #6e38ff3fcff3fcff
 289 ddcan403 quantize  #7880000000000000 Inf  -> #7800000000000000
 290 ddcan404 quantize  #7802000000000000 -Inf -> #7800000000000000
 291 ddcan410 quantize  #7c03ff3fcff3fcff  1   -> #7c00ff3fcff3fcff
 292 ddcan411 quantize  #7c03ff3fcff3fcff  1   -> #7c00ff3fcff3fcff
 293 ddcan412 quantize  #7c40ff3fcff3fcff  1   -> #7c00ff3fcff3fcff
 294 ddcan413 quantize  #7c40ff3fcff3fcff  1   -> #7c00ff3fcff3fcff
 295 ddcan414 quantize  #7e00ffffcff3fcff  1   -> #7c00ff3fcff3fcff Invalid_operation
 296 ddcan415 quantize  #7e00ffffcff3fcff  1   -> #7c00ff3fcff3fcff Invalid_operation
 297 ddcan416 quantize  #7e80ff3fcff3fcff  1   -> #7c00ff3fcff3fcff Invalid_operation
 298 ddcan417 quantize  #7e80ff3fcff3fcff  1   -> #7c00ff3fcff3fcff Invalid_operation
 299
 300 ----- Subtract:
 301 -- Finites: neutral 0
 302 ddcan502 subtract  0E+384 #77ffff3fcff3fcff        -> #f7fcff3fcff3fcff
 303 ddcan503 subtract         #77fcffffcff3fcff 0E+384 -> #77fcff3fcff3fcff
 304 -- tiny zero
 305 ddcan504 subtract  0E-398 #77ffff3fcff3fcff        -> #f7fcff3fcff3fcff Rounded
 306 ddcan505 subtract         #77fcffffcff3fcff 0E-398 -> #77fcff3fcff3fcff Rounded
 307 -- tiny non zero
 308 ddcan506 subtract -1E-398 #77ffff3fcff3fcff         -> #f7fcff3fcff3fcff Inexact Rounded
 309 ddcan507 subtract         #77ffff3fcff3fcff -1E-398 -> #77fcff3fcff3fcff Inexact Rounded
 310 -- NaN: declets in payload
 311 ddcan511 subtract  0  #7c03ff3fcff3fcff      -> #7c00ff3fcff3fcff
 312 ddcan512 subtract     #7c03ff3fcff3fcff  0   -> #7c00ff3fcff3fcff
 313 -- NaN: exponent continuation bits [excluding sNaN selector]
 314 ddcan513 subtract  0  #7c40ff3fcff3fcff      -> #7c00ff3fcff3fcff
 315 ddcan514 subtract     #7c40ff3fcff3fcff  0   -> #7c00ff3fcff3fcff
 316 -- sNaN: declets in payload
 317 ddcan515 subtract  0  #7e00ffffcff3fcff      -> #7c00ff3fcff3fcff Invalid_operation
 318 ddcan516 subtract     #7e00ffffcff3fcff  0   -> #7c00ff3fcff3fcff Invalid_operation
 319 -- sNaN: exponent continuation bits [excluding sNaN selector]
 320 ddcan517 subtract  0  #7e80ff3fcff3fcff      -> #7c00ff3fcff3fcff Invalid_operation
 321 ddcan518 subtract     #7e80ff3fcff3fcff  0   -> #7c00ff3fcff3fcff Invalid_operation
 322 -- Inf: exponent continuation bits
 323 ddcan520 subtract  0  #7880000000000000      -> #f800000000000000
 324 ddcan521 subtract     #7880000000000000  0   -> #7800000000000000
 325 -- Inf: coefficient continuation bits
 326 ddcan522 subtract  0  #7802000000000000     -> #f800000000000000
 327 ddcan523 subtract     #7802000000000000  0  -> #7800000000000000
 328 ddcan524 subtract  0  #7800000000000001     -> #f800000000000000
 329 ddcan525 subtract     #7800000000000001  0  -> #7800000000000000
 330 ddcan526 subtract  0  #7800002000000000     -> #f800000000000000
 331 ddcan527 subtract     #7800002000000000  0  -> #7800000000000000
 332
 333 ----- ToIntegral:
 334 ddcan601 tointegralx  #6e38ff3ffff3fcff -> #6e38ff3fcff3fcff
 335 ddcan602 tointegralx  #6e38ff3fcff3fdff -> #6e38ff3fcff3fcff
 336 ddcan603 tointegralx  #7880000000000000 -> #7800000000000000
 337 ddcan604 tointegralx  #7802000000000000 -> #7800000000000000
 338 ddcan610 tointegralx  #7c03ff3fcff3fcff -> #7c00ff3fcff3fcff
 339 ddcan611 tointegralx  #7c03ff3fcff3fcff -> #7c00ff3fcff3fcff
 340 ddcan612 tointegralx  #7c40ff3fcff3fcff -> #7c00ff3fcff3fcff
 341 ddcan613 tointegralx  #7c40ff3fcff3fcff -> #7c00ff3fcff3fcff
 342 ddcan614 tointegralx  #7e00ffffcff3fcff -> #7c00ff3fcff3fcff Invalid_operation
 343 ddcan615 tointegralx  #7e00ffffcff3fcff -> #7c00ff3fcff3fcff Invalid_operation
 344 ddcan616 tointegralx  #7e80ff3fcff3fcff -> #7c00ff3fcff3fcff Invalid_operation
 345 ddcan617 tointegralx  #7e80ff3fcff3fcff -> #7c00ff3fcff3fcff Invalid_operation
 346 -- uncanonical 3999, 39.99, 3.99, 0.399, and negatives
 347 ddcan618 tointegralx  #2238000000000fff -> #2238000000000cff
 348 ddcan619 tointegralx  #2230000000000fff -> #2238000000000040 Inexact Rounded
 349 ddcan620 tointegralx  #222c000000000fff -> #2238000000000004 Inexact Rounded
 350 ddcan621 tointegralx  #2228000000000fff -> #2238000000000000 Inexact Rounded
 351 ddcan622 tointegralx  #a238000000000fff -> #a238000000000cff
 352 ddcan623 tointegralx  #a230000000000fff -> #a238000000000040 Inexact Rounded
 353 ddcan624 tointegralx  #a22c000000000fff -> #a238000000000004 Inexact Rounded
 354 ddcan625 tointegralx  #a228000000000fff -> #a238000000000000 Inexact Rounded
 355
 356
 357