AppPkg/Applications/Python/Python-2.7.2/Lib/test/formatfloat_testcases.txt

   1 -- 'f' code formatting, with explicit precision (>= 0).  Output always
   2 -- has the given number of places after the point;  zeros are added if
   3 -- necessary to make this true.
   4
   5 -- zeros
   6 %.0f 0 -> 0
   7 %.1f 0 -> 0.0
   8 %.2f 0 -> 0.00
   9 %.3f 0 -> 0.000
  10 %.50f 0 -> 0.00000000000000000000000000000000000000000000000000
  11
  12 -- precision 0;  result should never include a .
  13 %.0f 1.5 -> 2
  14 %.0f 2.5 -> 2
  15 %.0f 3.5 -> 4
  16 %.0f 0.0 -> 0
  17 %.0f 0.1 -> 0
  18 %.0f 0.001 -> 0
  19 %.0f 10.0 -> 10
  20 %.0f 10.1 -> 10
  21 %.0f 10.01 -> 10
  22 %.0f 123.456 -> 123
  23 %.0f 1234.56 -> 1235
  24 %.0f 1e49 -> 9999999999999999464902769475481793196872414789632
  25 %.0f 9.9999999999999987e+49 -> 99999999999999986860582406952576489172979654066176
  26 %.0f 1e50 -> 100000000000000007629769841091887003294964970946560
  27
  28 -- precision 1
  29 %.1f 0.0001 -> 0.0
  30 %.1f 0.001 -> 0.0
  31 %.1f 0.01 -> 0.0
  32 %.1f 0.04 -> 0.0
  33 %.1f 0.06 -> 0.1
  34 %.1f 0.25 -> 0.2
  35 %.1f 0.75 -> 0.8
  36 %.1f 1.4 -> 1.4
  37 %.1f 1.5 -> 1.5
  38 %.1f 10.0 -> 10.0
  39 %.1f 1000.03 -> 1000.0
  40 %.1f 1234.5678 -> 1234.6
  41 %.1f 1234.7499 -> 1234.7
  42 %.1f 1234.75 -> 1234.8
  43
  44 -- precision 2
  45 %.2f 0.0001 -> 0.00
  46 %.2f 0.001 -> 0.00
  47 %.2f 0.004999 -> 0.00
  48 %.2f 0.005001 -> 0.01
  49 %.2f 0.01 -> 0.01
  50 %.2f 0.125 -> 0.12
  51 %.2f 0.375 -> 0.38
  52 %.2f 1234500 -> 1234500.00
  53 %.2f 1234560 -> 1234560.00
  54 %.2f 1234567 -> 1234567.00
  55 %.2f 1234567.8 -> 1234567.80
  56 %.2f 1234567.89 -> 1234567.89
  57 %.2f 1234567.891 -> 1234567.89
  58 %.2f 1234567.8912 -> 1234567.89
  59
  60 -- alternate form always includes a decimal point.  This only
  61 -- makes a difference when the precision is 0.
  62 %#.0f 0 -> 0.
  63 %#.1f 0 -> 0.0
  64 %#.0f 1.5 -> 2.
  65 %#.0f 2.5 -> 2.
  66 %#.0f 10.1 -> 10.
  67 %#.0f 1234.56 -> 1235.
  68 %#.1f 1.4 -> 1.4
  69 %#.2f 0.375 -> 0.38
  70
  71 -- if precision is omitted it defaults to 6
  72 %f 0 -> 0.000000
  73 %f 1230000 -> 1230000.000000
  74 %f 1234567 -> 1234567.000000
  75 %f 123.4567 -> 123.456700
  76 %f 1.23456789 -> 1.234568
  77 %f 0.00012 -> 0.000120
  78 %f 0.000123 -> 0.000123
  79 %f 0.00012345 -> 0.000123
  80 %f 0.000001 -> 0.000001
  81 %f 0.0000005001 -> 0.000001
  82 %f 0.0000004999 -> 0.000000
  83
  84 -- nans and infinities
  85 %f nan -> nan
  86 %f inf -> inf
  87 %f -infinity -> -inf
  88 %F nan -> NAN
  89 %F infinity -> INF
  90 %F -inf -> -INF
  91
  92 -- 'e' code formatting with explicit precision (>= 0). Output should
  93 -- always have exactly the number of places after the point that were
  94 -- requested.
  95
  96 -- zeros
  97 %.0e 0 -> 0e+00
  98 %.1e 0 -> 0.0e+00
  99 %.2e 0 -> 0.00e+00
 100 %.10e 0 -> 0.0000000000e+00
 101 %.50e 0 -> 0.00000000000000000000000000000000000000000000000000e+00
 102
 103 -- precision 0.  no decimal point in the output
 104 %.0e 0.01 -> 1e-02
 105 %.0e 0.1 -> 1e-01
 106 %.0e 1 -> 1e+00
 107 %.0e 10 -> 1e+01
 108 %.0e 100 -> 1e+02
 109 %.0e 0.012 -> 1e-02
 110 %.0e 0.12 -> 1e-01
 111 %.0e 1.2 -> 1e+00
 112 %.0e 12 -> 1e+01
 113 %.0e 120 -> 1e+02
 114 %.0e 123.456 -> 1e+02
 115 %.0e 0.000123456 -> 1e-04
 116 %.0e 123456000 -> 1e+08
 117 %.0e 0.5 -> 5e-01
 118 %.0e 1.4 -> 1e+00
 119 %.0e 1.5 -> 2e+00
 120 %.0e 1.6 -> 2e+00
 121 %.0e 2.4999999 -> 2e+00
 122 %.0e 2.5 -> 2e+00
 123 %.0e 2.5000001 -> 3e+00
 124 %.0e 3.499999999999 -> 3e+00
 125 %.0e 3.5 -> 4e+00
 126 %.0e 4.5 -> 4e+00
 127 %.0e 5.5 -> 6e+00
 128 %.0e 6.5 -> 6e+00
 129 %.0e 7.5 -> 8e+00
 130 %.0e 8.5 -> 8e+00
 131 %.0e 9.4999 -> 9e+00
 132 %.0e 9.5 -> 1e+01
 133 %.0e 10.5 -> 1e+01
 134 %.0e 14.999 -> 1e+01
 135 %.0e 15 -> 2e+01
 136
 137 -- precision 1
 138 %.1e 0.0001 -> 1.0e-04
 139 %.1e 0.001 -> 1.0e-03
 140 %.1e 0.01 -> 1.0e-02
 141 %.1e 0.1 -> 1.0e-01
 142 %.1e 1 -> 1.0e+00
 143 %.1e 10 -> 1.0e+01
 144 %.1e 100 -> 1.0e+02
 145 %.1e 120 -> 1.2e+02
 146 %.1e 123 -> 1.2e+02
 147 %.1e 123.4 -> 1.2e+02
 148
 149 -- precision 2
 150 %.2e 0.00013 -> 1.30e-04
 151 %.2e 0.000135 -> 1.35e-04
 152 %.2e 0.0001357 -> 1.36e-04
 153 %.2e 0.0001 -> 1.00e-04
 154 %.2e 0.001 -> 1.00e-03
 155 %.2e 0.01 -> 1.00e-02
 156 %.2e 0.1 -> 1.00e-01
 157 %.2e 1 -> 1.00e+00
 158 %.2e 10 -> 1.00e+01
 159 %.2e 100 -> 1.00e+02
 160 %.2e 1000 -> 1.00e+03
 161 %.2e 1500 -> 1.50e+03
 162 %.2e 1590 -> 1.59e+03
 163 %.2e 1598 -> 1.60e+03
 164 %.2e 1598.7 -> 1.60e+03
 165 %.2e 1598.76 -> 1.60e+03
 166 %.2e 9999 -> 1.00e+04
 167
 168 -- omitted precision defaults to 6
 169 %e 0 -> 0.000000e+00
 170 %e 165 -> 1.650000e+02
 171 %e 1234567 -> 1.234567e+06
 172 %e 12345678 -> 1.234568e+07
 173 %e 1.1 -> 1.100000e+00
 174
 175 -- alternate form always contains a decimal point.  This only makes
 176 -- a difference when precision is 0.
 177
 178 %#.0e 0.01 -> 1.e-02
 179 %#.0e 0.1 -> 1.e-01
 180 %#.0e 1 -> 1.e+00
 181 %#.0e 10 -> 1.e+01
 182 %#.0e 100 -> 1.e+02
 183 %#.0e 0.012 -> 1.e-02
 184 %#.0e 0.12 -> 1.e-01
 185 %#.0e 1.2 -> 1.e+00
 186 %#.0e 12 -> 1.e+01
 187 %#.0e 120 -> 1.e+02
 188 %#.0e 123.456 -> 1.e+02
 189 %#.0e 0.000123456 -> 1.e-04
 190 %#.0e 123456000 -> 1.e+08
 191 %#.0e 0.5 -> 5.e-01
 192 %#.0e 1.4 -> 1.e+00
 193 %#.0e 1.5 -> 2.e+00
 194 %#.0e 1.6 -> 2.e+00
 195 %#.0e 2.4999999 -> 2.e+00
 196 %#.0e 2.5 -> 2.e+00
 197 %#.0e 2.5000001 -> 3.e+00
 198 %#.0e 3.499999999999 -> 3.e+00
 199 %#.0e 3.5 -> 4.e+00
 200 %#.0e 4.5 -> 4.e+00
 201 %#.0e 5.5 -> 6.e+00
 202 %#.0e 6.5 -> 6.e+00
 203 %#.0e 7.5 -> 8.e+00
 204 %#.0e 8.5 -> 8.e+00
 205 %#.0e 9.4999 -> 9.e+00
 206 %#.0e 9.5 -> 1.e+01
 207 %#.0e 10.5 -> 1.e+01
 208 %#.0e 14.999 -> 1.e+01
 209 %#.0e 15 -> 2.e+01
 210 %#.1e 123.4 -> 1.2e+02
 211 %#.2e 0.0001357 -> 1.36e-04
 212
 213 -- nans and infinities
 214 %e nan -> nan
 215 %e inf -> inf
 216 %e -infinity -> -inf
 217 %E nan -> NAN
 218 %E infinity -> INF
 219 %E -inf -> -INF
 220
 221 -- 'g' code formatting.
 222
 223 -- zeros
 224 %.0g 0 -> 0
 225 %.1g 0 -> 0
 226 %.2g 0 -> 0
 227 %.3g 0 -> 0
 228 %.4g 0 -> 0
 229 %.10g 0 -> 0
 230 %.50g 0 -> 0
 231 %.100g 0 -> 0
 232
 233 -- precision 0 doesn't make a lot of sense for the 'g' code (what does
 234 -- it mean to have no significant digits?); in practice, it's interpreted
 235 -- as identical to precision 1
 236 %.0g 1000 -> 1e+03
 237 %.0g 100 -> 1e+02
 238 %.0g 10 -> 1e+01
 239 %.0g 1 -> 1
 240 %.0g 0.1 -> 0.1
 241 %.0g 0.01 -> 0.01
 242 %.0g 1e-3 -> 0.001
 243 %.0g 1e-4 -> 0.0001
 244 %.0g 1e-5 -> 1e-05
 245 %.0g 1e-6 -> 1e-06
 246 %.0g 12 -> 1e+01
 247 %.0g 120 -> 1e+02
 248 %.0g 1.2 -> 1
 249 %.0g 0.12 -> 0.1
 250 %.0g 0.012 -> 0.01
 251 %.0g 0.0012 -> 0.001
 252 %.0g 0.00012 -> 0.0001
 253 %.0g 0.000012 -> 1e-05
 254 %.0g 0.0000012 -> 1e-06
 255
 256 -- precision 1 identical to precision 0
 257 %.1g 1000 -> 1e+03
 258 %.1g 100 -> 1e+02
 259 %.1g 10 -> 1e+01
 260 %.1g 1 -> 1
 261 %.1g 0.1 -> 0.1
 262 %.1g 0.01 -> 0.01
 263 %.1g 1e-3 -> 0.001
 264 %.1g 1e-4 -> 0.0001
 265 %.1g 1e-5 -> 1e-05
 266 %.1g 1e-6 -> 1e-06
 267 %.1g 12 -> 1e+01
 268 %.1g 120 -> 1e+02
 269 %.1g 1.2 -> 1
 270 %.1g 0.12 -> 0.1
 271 %.1g 0.012 -> 0.01
 272 %.1g 0.0012 -> 0.001
 273 %.1g 0.00012 -> 0.0001
 274 %.1g 0.000012 -> 1e-05
 275 %.1g 0.0000012 -> 1e-06
 276
 277 -- precision 2
 278 %.2g 1000 -> 1e+03
 279 %.2g 100 -> 1e+02
 280 %.2g 10 -> 10
 281 %.2g 1 -> 1
 282 %.2g 0.1 -> 0.1
 283 %.2g 0.01 -> 0.01
 284 %.2g 0.001 -> 0.001
 285 %.2g 1e-4 -> 0.0001
 286 %.2g 1e-5 -> 1e-05
 287 %.2g 1e-6 -> 1e-06
 288 %.2g 1234 -> 1.2e+03
 289 %.2g 123 -> 1.2e+02
 290 %.2g 12.3 -> 12
 291 %.2g 1.23 -> 1.2
 292 %.2g 0.123 -> 0.12
 293 %.2g 0.0123 -> 0.012
 294 %.2g 0.00123 -> 0.0012
 295 %.2g 0.000123 -> 0.00012
 296 %.2g 0.0000123 -> 1.2e-05
 297
 298 -- alternate g formatting:  always include decimal point and
 299 -- exactly <precision> significant digits.
 300 %#.0g 0 -> 0.
 301 %#.1g 0 -> 0.
 302 %#.2g 0 -> 0.0
 303 %#.3g 0 -> 0.00
 304 %#.4g 0 -> 0.000
 305
 306 %#.0g 0.2 -> 0.2
 307 %#.1g 0.2 -> 0.2
 308 %#.2g 0.2 -> 0.20
 309 %#.3g 0.2 -> 0.200
 310 %#.4g 0.2 -> 0.2000
 311 %#.10g 0.2 -> 0.2000000000
 312
 313 %#.0g 2 -> 2.
 314 %#.1g 2 -> 2.
 315 %#.2g 2 -> 2.0
 316 %#.3g 2 -> 2.00
 317 %#.4g 2 -> 2.000
 318
 319 %#.0g 20 -> 2.e+01
 320 %#.1g 20 -> 2.e+01
 321 %#.2g 20 -> 20.
 322 %#.3g 20 -> 20.0
 323 %#.4g 20 -> 20.00
 324
 325 %#.0g 234.56 -> 2.e+02
 326 %#.1g 234.56 -> 2.e+02
 327 %#.2g 234.56 -> 2.3e+02
 328 %#.3g 234.56 -> 235.
 329 %#.4g 234.56 -> 234.6
 330 %#.5g 234.56 -> 234.56
 331 %#.6g 234.56 -> 234.560
 332
 333 -- nans and infinities
 334 %g nan -> nan
 335 %g inf -> inf
 336 %g -infinity -> -inf
 337 %G nan -> NAN
 338 %G infinity -> INF
 339 %G -inf -> -INF
 340
 341 -- for repr formatting see the separate test_short_repr test in
 342 -- test_float.py.  Not all platforms use short repr for floats.
 343
 344 -- str formatting.  Result always includes decimal point and at
 345 -- least one digit after the point, or an exponent.
 346 %s 0 -> 0.0
 347 %s 1 -> 1.0
 348
 349 %s 0.01 -> 0.01
 350 %s 0.02 -> 0.02
 351 %s 0.03 -> 0.03
 352 %s 0.04 -> 0.04
 353 %s 0.05 -> 0.05
 354
 355 -- str truncates to 12 significant digits
 356 %s 1.234123412341 -> 1.23412341234
 357 %s 1.23412341234 -> 1.23412341234
 358 %s 1.2341234123 -> 1.2341234123
 359
 360 -- values >= 1e11 get an exponent
 361 %s 10 -> 10.0
 362 %s 100 -> 100.0
 363 %s 1e10 -> 10000000000.0
 364 %s 9.999e10 -> 99990000000.0
 365 %s 99999999999 -> 99999999999.0
 366 %s 99999999999.9 -> 99999999999.9
 367 %s 99999999999.99 -> 1e+11
 368 %s 1e11 -> 1e+11
 369 %s 1e12 -> 1e+12
 370
 371 -- as do values < 1e-4
 372 %s 1e-3 -> 0.001
 373 %s 1.001e-4 -> 0.0001001
 374 %s 1.000000000001e-4 -> 0.0001
 375 %s 1.00000000001e-4 -> 0.000100000000001
 376 %s 1.0000000001e-4 -> 0.00010000000001
 377 %s 1e-4 -> 0.0001
 378 %s 0.999999999999e-4 -> 9.99999999999e-05
 379 %s 0.999e-4 -> 9.99e-05
 380 %s 1e-5 -> 1e-05