public static SCode Make(PrimitiveIsFixnumEqualAL predicate, SCode consequent, SCode alternative)
 {
     return
         (predicate is PrimitiveIsFixnumEqualAA) ? PCondIsFixnumEqualAA.Make ((PrimitiveIsFixnumEqualAA) predicate, consequent, alternative) :
         (predicate is PrimitiveIsFixnumEqualAL1) ? Unimplemented():
         (consequent is LexicalVariable) ? Unimplemented () :
         (consequent is Quotation) ? Unimplemented () :
         (alternative is LexicalVariable) ? Unimplemented () :
         (alternative is Quotation) ? Unimplemented () :
         new PCondIsFixnumEqualAL (predicate, consequent, alternative);
 }
 protected PCondIsFixnumEqualAL(PrimitiveIsFixnumEqualAL predicate, SCode consequent, SCode alternative)
     : base(predicate, consequent, alternative)
 {
     this.rand1Name = predicate.rand1Name;
     this.rand1Depth = predicate.rand1Depth;
     this.rand1Offset = predicate.rand1Offset;
 }