/[escript]/branches/schroedinger/escript/src/DataAbstract.h
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revision 1888 by jfenwick, Tue Oct 14 03:54:42 2008 UTC revision 1889 by jfenwick, Thu Oct 16 05:57:09 2008 UTC
# Line 492  class DataAbstract : public REFCOUNT_BAS Line 492  class DataAbstract : public REFCOUNT_BAS
492    
493    bool isLazy() const;  // a test to determine if this object is an instance of DataLazy    bool isLazy() const;  // a test to determine if this object is an instance of DataLazy
494    
495      virtual
496      bool
497      isConstant() const {return false;}
498    
499      virtual
500      bool
501      isExpanded() const {return false;}
502    
503      virtual
504      bool
505      isTagged() const {return false;}
506    
507    
508   protected:   protected:
509    
510    bool isEmpty() const; // a fast test to determine if this object is an instance of DataEmpty    bool isEmpty() const; // a fast test to determine if this object is an instance of DataEmpty

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