Package weka.core.parser.java_cup.runtime

Examples of weka.core.parser.java_cup.runtime.SymbolFactory

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   * @param symbols  the symbol/value mapping
   * @return    the evaluated result
   * @throws Exception  if something goes wrong
   */
  public static double evaluate(String expr, HashMap symbols) throws Exception {
    SymbolFactory     sf;
    ByteArrayInputStream   parserInput;
    Parser       parser;
   
    sf          = new DefaultSymbolFactory();
    parserInput = new ByteArrayInputStream(expr.getBytes());
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   *
   * @param symbols   the symbols to use for evaluation
   * @return    the calculated value, Double.NaN in case of an error
   */
  protected double eval(HashMap symbols) {
    SymbolFactory     sf;
    ByteArrayInputStream   parserInput;
    Parser       parser;
    double      result;
   
    try {
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Related Classes of weka.core.parser.java_cup.runtime.SymbolFactory

  • weka.core.MathematicalExpression
  • weka.filters.unsupervised.attribute.MathExpression
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