Package weka.core.parser.java_cup.runtime

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

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  public static double evaluate(String expr, HashMap symbols) throws Exception {
    SymbolFactory     sf;
    ByteArrayInputStream   parserInput;
    Parser       parser;
   
    sf          = new DefaultSymbolFactory();
    parserInput = new ByteArrayInputStream(expr.getBytes());
    parser      = new Parser(new Scanner(parserInput, sf), sf);
    parser.setSymbols(symbols);
    parser.parse();
   
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    ByteArrayInputStream   parserInput;
    Parser       parser;
    double      result;
   
    try {
      sf          = new DefaultSymbolFactory();
      parserInput = new ByteArrayInputStream(m_expression.getBytes());
      parser      = new Parser(new Scanner(parserInput, sf), sf);
      parser.setSymbols(symbols);
      parser.parse();
      result = parser.getResult();
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Related Classes of weka.core.parser.java_cup.runtime.DefaultSymbolFactory

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