// This file is automatically generated by DemeterJ.

EqualVisitor {
  {{
    private java.util.Stack history = new java.util.Stack();
    public EqualVisitor(Object obj) {
      history.push(obj);
    }
  }}

  before -> TestFile, tests, Test_List {{
    if (is_equal) {
      TestFile obj = (TestFile) history.peek();
      Object temp1 = obj.get_tests();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  }}
  after -> TestFile, tests, Test_List {{
    if (is_equal) history.pop();
  }}

  before TestFile {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Test, result, Result {{
    if (is_equal) {
      Test obj = (Test) history.peek();
      Object temp2 = obj.get_result();
      if(temp2==null) { is_equal = false; return; }
      history.push(temp2);
    }
  }}
  after -> Test, result, Result {{
    if (is_equal) history.pop();
  }}

  before Test {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> ComputeBiasTest, testname, TestName {{
    if (is_equal) {
      ComputeBiasTest obj = (ComputeBiasTest) history.peek();
      Object temp3 = obj.get_testname();
      if(temp3==null) { is_equal = false; return; }
      history.push(temp3);
    }
  }}
  after -> ComputeBiasTest, testname, TestName {{
    if (is_equal) history.pop();
  }}

  before -> ComputeBiasTest, pairs, Pair_List {{
    if (is_equal) {
      ComputeBiasTest obj = (ComputeBiasTest) history.peek();
      Object temp4 = obj.get_pairs();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  }}
  after -> ComputeBiasTest, pairs, Pair_List {{
    if (is_equal) history.pop();
  }}

  before ComputeBiasTest {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> UpdateBiasTest, testname, TestName {{
    if (is_equal) {
      UpdateBiasTest obj = (UpdateBiasTest) history.peek();
      Object temp5 = obj.get_testname();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  }}
  after -> UpdateBiasTest, testname, TestName {{
    if (is_equal) history.pop();
  }}

  before -> UpdateBiasTest, beforepoly, Polynomial {{
    if (is_equal) {
      UpdateBiasTest obj = (UpdateBiasTest) history.peek();
      Object temp6 = obj.get_beforepoly();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  }}
  after -> UpdateBiasTest, beforepoly, Polynomial {{
    if (is_equal) history.pop();
  }}

  before -> UpdateBiasTest, pairs, OPair_List {{
    if (is_equal) {
      UpdateBiasTest obj = (UpdateBiasTest) history.peek();
      Object temp7 = obj.get_pairs();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  }}
  after -> UpdateBiasTest, pairs, OPair_List {{
    if (is_equal) history.pop();
  }}

  before UpdateBiasTest {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Pair {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp8 = host.get_r();
    Object temp9 = ((Pair) obj).get_r();
    if(temp8 == null && temp9 == null) {}
    else if(temp8 == null ||
            temp9 == null ||
            !temp8.equals(temp9)) { is_equal = false; return; }
    Object temp10 = host.get_frac();
    Object temp11 = ((Pair) obj).get_frac();
    if(temp10 == null && temp11 == null) {}
    else if(temp10 == null ||
            temp11 == null ||
            !temp10.equals(temp11)) { is_equal = false; return; }
  }}

  before -> OPair, op, Op {{
    if (is_equal) {
      OPair obj = (OPair) history.peek();
      Object temp12 = obj.get_op();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  }}
  after -> OPair, op, Op {{
    if (is_equal) history.pop();
  }}

  before OPair {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp13 = host.get_r();
    Object temp14 = ((OPair) obj).get_r();
    if(temp13 == null && temp14 == null) {}
    else if(temp13 == null ||
            temp14 == null ||
            !temp13.equals(temp14)) { is_equal = false; return; }
    Object temp15 = host.get_frac();
    Object temp16 = ((OPair) obj).get_frac();
    if(temp15 == null && temp16 == null) {}
    else if(temp15 == null ||
            temp16 == null ||
            !temp15.equals(temp16)) { is_equal = false; return; }
  }}

  before Op {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Added {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before Subtracted {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Polynomial, x3, SDouble {{
    if (is_equal) {
      Polynomial obj = (Polynomial) history.peek();
      Object temp17 = obj.get_x3();
      if(temp17==null) { is_equal = false; return; }
      history.push(temp17);
    }
  }}
  after -> Polynomial, x3, SDouble {{
    if (is_equal) history.pop();
  }}

  before -> Polynomial, x2, SDouble {{
    if (is_equal) {
      Polynomial obj = (Polynomial) history.peek();
      Object temp18 = obj.get_x2();
      if(temp18==null) { is_equal = false; return; }
      history.push(temp18);
    }
  }}
  after -> Polynomial, x2, SDouble {{
    if (is_equal) history.pop();
  }}

  before -> Polynomial, x1, SDouble {{
    if (is_equal) {
      Polynomial obj = (Polynomial) history.peek();
      Object temp19 = obj.get_x1();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
  }}
  after -> Polynomial, x1, SDouble {{
    if (is_equal) history.pop();
  }}

  before -> Polynomial, x0, SDouble {{
    if (is_equal) {
      Polynomial obj = (Polynomial) history.peek();
      Object temp20 = obj.get_x0();
      if(temp20==null) { is_equal = false; return; }
      history.push(temp20);
    }
  }}
  after -> Polynomial, x0, SDouble {{
    if (is_equal) history.pop();
  }}

  before Polynomial {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before TestName {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp21 = host.get_s();
    Object temp22 = ((TestName) obj).get_s();
    if(temp21 == null && temp22 == null) {}
    else if(temp21 == null ||
            temp22 == null ||
            !temp21.equals(temp22)) { is_equal = false; return; }
  }}

  before -> Result, poly, Polynomial {{
    if (is_equal) {
      Result obj = (Result) history.peek();
      Object temp25 = obj.get_poly();
      if(temp25==null) { is_equal = false; return; }
      history.push(temp25);
    }
  }}
  after -> Result, poly, Polynomial {{
    if (is_equal) history.pop();
  }}

  before Result {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp23 = host.get_v();
    Object temp24 = ((Result) obj).get_v();
    if(temp23 == null && temp24 == null) {}
    else if(temp23 == null ||
            temp24 == null ||
            !temp23.equals(temp24)) { is_equal = false; return; }
  }}

  before SDouble {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp26 = host.get_v();
    Object temp27 = ((SDouble) obj).get_v();
    if(temp26 == null && temp27 == null) {}
    else if(temp26 == null ||
            temp27 == null ||
            !temp26.equals(temp27)) { is_equal = false; return; }
  }}

  before PDouble {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before NDouble {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before PrintVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((PrintVisitor) obj).get_indent();
    is_equal = is_equal && host.get_needSpace() == ((PrintVisitor) obj).get_needSpace();
  }}

  before CopyVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp28 = host.get_copy();
    Object temp29 = ((CopyVisitor) obj).get_copy();
    if(temp28 == null && temp29 == null) {}
    else if(temp28 == null ||
            temp29 == null ||
            !temp28.equals(temp29)) { is_equal = false; return; }
  }}

  before SubgraphVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((SubgraphVisitor) obj).get_is_equal();
  }}

  before EqualVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((EqualVisitor) obj).get_is_equal();
  }}

  before DisplayVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((DisplayVisitor) obj).get_indent();
  }}

  before TraceVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((TraceVisitor) obj).get_indent();
  }}

  before UniversalVisitor {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Test_List, first, Nonempty_Test_List {{
    if (is_equal) {
      Test_List obj = (Test_List) history.peek();
      Object temp30 = obj.get_first();
      if(temp30==null) { is_equal = false; return; }
      history.push(temp30);
    }
  }}
  after -> Test_List, first, Nonempty_Test_List {{
    if (is_equal) history.pop();
  }}

  before Test_List {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Pair_List, first, Nonempty_Pair_List {{
    if (is_equal) {
      Pair_List obj = (Pair_List) history.peek();
      Object temp31 = obj.get_first();
      if(temp31==null) { is_equal = false; return; }
      history.push(temp31);
    }
  }}
  after -> Pair_List, first, Nonempty_Pair_List {{
    if (is_equal) history.pop();
  }}

  before Pair_List {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> OPair_List, first, Nonempty_OPair_List {{
    if (is_equal) {
      OPair_List obj = (OPair_List) history.peek();
      Object temp32 = obj.get_first();
      if(temp32==null) { is_equal = false; return; }
      history.push(temp32);
    }
  }}
  after -> OPair_List, first, Nonempty_OPair_List {{
    if (is_equal) history.pop();
  }}

  before OPair_List {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_Test_List, it, Test {{
    if (is_equal) {
      Nonempty_Test_List obj = (Nonempty_Test_List) history.peek();
      Object temp33 = obj.get_it();
      if(temp33==null) { is_equal = false; return; }
      history.push(temp33);
    }
  }}
  after -> Nonempty_Test_List, it, Test {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Test_List, next, Nonempty_Test_List {{
    if (is_equal) {
      Nonempty_Test_List obj = (Nonempty_Test_List) history.peek();
      Object temp34 = obj.get_next();
      if(temp34==null) { is_equal = false; return; }
      history.push(temp34);
    }
  }}
  after -> Nonempty_Test_List, next, Nonempty_Test_List {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Test_List {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_Pair_List, it, Pair {{
    if (is_equal) {
      Nonempty_Pair_List obj = (Nonempty_Pair_List) history.peek();
      Object temp35 = obj.get_it();
      if(temp35==null) { is_equal = false; return; }
      history.push(temp35);
    }
  }}
  after -> Nonempty_Pair_List, it, Pair {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_Pair_List, next, Nonempty_Pair_List {{
    if (is_equal) {
      Nonempty_Pair_List obj = (Nonempty_Pair_List) history.peek();
      Object temp36 = obj.get_next();
      if(temp36==null) { is_equal = false; return; }
      history.push(temp36);
    }
  }}
  after -> Nonempty_Pair_List, next, Nonempty_Pair_List {{
    if (is_equal) history.pop();
  }}

  before Nonempty_Pair_List {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  before -> Nonempty_OPair_List, it, OPair {{
    if (is_equal) {
      Nonempty_OPair_List obj = (Nonempty_OPair_List) history.peek();
      Object temp37 = obj.get_it();
      if(temp37==null) { is_equal = false; return; }
      history.push(temp37);
    }
  }}
  after -> Nonempty_OPair_List, it, OPair {{
    if (is_equal) history.pop();
  }}

  before -> Nonempty_OPair_List, next, Nonempty_OPair_List {{
    if (is_equal) {
      Nonempty_OPair_List obj = (Nonempty_OPair_List) history.peek();
      Object temp38 = obj.get_next();
      if(temp38==null) { is_equal = false; return; }
      history.push(temp38);
    }
  }}
  after -> Nonempty_OPair_List, next, Nonempty_OPair_List {{
    if (is_equal) history.pop();
  }}

  before Nonempty_OPair_List {{
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  }}

  return boolean {{ is_equal }}
}