HeapEntry.h

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/****************************************************************/
/* Parallel Combinatorial BLAS Library (for Graph Computations) */
/* version 1.6 -------------------------------------------------*/
/* date: 6/15/2017 ---------------------------------------------*/
/* authors: Ariful Azad, Aydin Buluc  --------------------------*/
/****************************************************************/
/*
 Copyright (c) 2010-2017, The Regents of the University of California
 
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 */
 
 
#ifndef _HEAP_ENTRY_H
#define _HEAP_ENTRY_H
 
namespace combblas {
 
template <class IT, class NT>
class HeapEntry
{
public:
    HeapEntry() {};
    HeapEntry(IT mykey, IT myrunr, NT mynum): key(mykey), runr(myrunr),num(mynum){}
    IT key; 
    IT runr;     
    NT num; 
 
    // Operators are swapped for performance
    // If you want/need to convert them back to their normal definitions, don't forget to add
    // "greater< HeapEntry<T> >()" optional parameter to all the heap operations operating on HeapEntry<T> objects.
    // For example: push_heap(heap, heap + kisect, greater< HeapEntry<T> >());
 
    bool operator > (const HeapEntry & rhs) const
    { return (key < rhs.key); }
    bool operator < (const HeapEntry & rhs) const
    { return (key > rhs.key); }
    bool operator == (const HeapEntry & rhs) const
    { return (key == rhs.key); }
};
 
}
 
#endif