| PPL
    1.2
    | 
The convergence certificate for the Grid widening operator. More...
#include <ppl.hh>
| Classes | |
| struct | Compare | 
| A total ordering on Grid certificates.  More... | |
| Public Member Functions | |
| Grid_Certificate () | |
| Default constructor. | |
| Grid_Certificate (const Grid &gr) | |
| Constructor: computes the certificate for gr. | |
| Grid_Certificate (const Grid_Certificate &y) | |
| Copy constructor. | |
| ~Grid_Certificate () | |
| Destructor. | |
| int | compare (const Grid_Certificate &y) const | 
| The comparison function for certificates.  More... | |
| int | compare (const Grid &gr) const | 
| Compares *thiswith the certificate for gridgr. | |
The convergence certificate for the Grid widening operator.
Convergence certificates are used to instantiate the BHZ03 framework so as to define widening operators for the finite powerset domain.
| int Parma_Polyhedra_Library::Grid_Certificate::compare | ( | const Grid_Certificate & | y | ) | const | 
The comparison function for certificates.
 ,
,  or
 or  depending on whether
 depending on whether *this is smaller than, equal to, or greater than y, respectively.