Nektar::NekMeshUtils::HOSurfHash Struct Reference

#include <HOAlignment.h>

Inheritance diagram for Nektar::NekMeshUtils::HOSurfHash:

Collaboration diagram for Nektar::NekMeshUtils::HOSurfHash:

Public Member Functions
std::size_t	operator() (HOSurfSharedPtr const &p) const

Detailed Description

Hash class for high-order surfaces.

Definition at line 186 of file HOAlignment.h.

Member Function Documentation

std::size_t Nektar::NekMeshUtils::HOSurfHash::operator() ( HOSurfSharedPtr const &  p ) const

inline

Calculate hash of a given high-order surface p by taking successive hashes of the vertex IDs.

Definition at line 192 of file HOAlignment.h.

    {
        std::size_t seed     = 0;
        std::vector<int> ids = p->vertId;

        std::sort(ids.begin(), ids.end());
        for (int i = 0; i < ids.size(); ++i)
        {
            boost::hash_combine(seed, ids[i]);
        }
        return seed;
    }