/[escript]/branches/DataC_2092/escript/src/DataAbstract.h
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revision 2102 by jfenwick, Wed Nov 26 05:46:01 2008 UTC revision 2103 by jfenwick, Thu Nov 27 01:00:34 2008 UTC
# Line 508  class DataAbstract : public REFCOUNT_BAS Line 508  class DataAbstract : public REFCOUNT_BAS
508    ESCRIPT_DLL_API    ESCRIPT_DLL_API
509    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
510    
511      ESCRIPT_DLL_API
512    virtual    virtual
513    bool    bool
514    isConstant() const {return false;}    isConstant() const {return false;}
515    
516      ESCRIPT_DLL_API
517    virtual    virtual
518    bool    bool
519    isExpanded() const {return false;}    isExpanded() const {return false;}
520    
521    
522      /**
523         \brief
524         Return true if this Data is expanded or resolves to expanded.
525         That is, if it has a separate value for each datapoint in the sample.
526      */
527      virtual
528      bool
529      actsExpanded() const {return false;}
530    
531    virtual    virtual
532    bool    bool
533    isTagged() const {return false;}    isTagged() const {return false;}
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