| 324 | } |
| 325 | |
| 326 | public static double IF(MathParser parser, String condition, String a, String b) throws MathParserException { |
| 327 | condition = Utils.realTrim(condition); |
| 328 | Matcher matcher = Utils.splitIf.matcher(condition); |
| 329 | double ca, cb = 0; |
| 330 | String type = "!="; |
| 331 | |
| 332 | if (matcher.find()) { |
| 333 | ca = parser.parse(matcher.group(1).trim()); |
| 334 | cb = parser.parse(matcher.group(3).trim()); |
| 335 | type = matcher.group(2).trim(); |
| 336 | } else |
| 337 | ca = parser.parse(condition); |
| 338 | |
| 339 | boolean c; |
| 340 | switch (type) { |
| 341 | case "==": |
| 342 | case "=": |
| 343 | c = ca == cb; |
| 344 | break; |
| 345 | case ">=": |
| 346 | c = ca >= cb; |
| 347 | break; |
| 348 | case "<=": |
| 349 | c = ca <= cb; |
| 350 | break; |
| 351 | case ">": |
| 352 | c = ca > cb; |
| 353 | break; |
| 354 | case "<": |
| 355 | c = ca < cb; |
| 356 | break; |
| 357 | case "<>": |
| 358 | case "!=": |
| 359 | default: |
| 360 | c = ca != cb; |
| 361 | break; |
| 362 | } |
| 363 | return parser.parse(c ? a : b); |
| 364 | } |
| 365 | |
| 366 | |
| 367 | public static double cot(double x) { |