mirror of
https://github.com/OPM/ResInsight.git
synced 2025-02-25 18:55:39 -06:00
581b268928
Add hash functions Add serial number to SummaryReaderInterface Add hash for RimSummaryCase Use hash based on input parameters to control caching of data in RimEnsembleStatisticsCase::calculate and RimEnsembleCurveSet::appendOptionItemsForSummaryAddresses
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (C) 2024- Equinor ASA
|
|
//
|
|
// ResInsight is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
// FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
|
|
// for more details.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <functional>
|
|
#include <ranges>
|
|
|
|
//==================================================================================================
|
|
//
|
|
//
|
|
//
|
|
//==================================================================================================
|
|
namespace RiaHashTools
|
|
{
|
|
//--------------------------------------------------------------------------------------------------
|
|
/// Variadic template function to combine multiple parameters into a single hash
|
|
//--------------------------------------------------------------------------------------------------
|
|
template <typename T>
|
|
void combineHash( size_t& seed, const T& value )
|
|
{
|
|
// Based on https://www.boost.org/doc/libs/1_84_0/libs/container_hash/doc/html/hash.html#notes_hash_combine
|
|
seed ^= std::hash<T>()( value ) + 0x9e3779b9 + ( seed << 6 ) + ( seed >> 2 );
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
template <typename T, typename... Rest>
|
|
void combineHash( size_t& seed, const T& value, const Rest&... rest )
|
|
{
|
|
combineHash( seed, value );
|
|
( combineHash( seed, rest ), ... );
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
template <std::ranges::range Range, typename... Rest>
|
|
void combineHash( size_t& seed, const Range& range, const Rest&... rest )
|
|
{
|
|
for ( const auto& elem : range )
|
|
{
|
|
combineHash( seed, elem );
|
|
}
|
|
( combineHash( seed, rest ), ... );
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
template <typename... Args>
|
|
size_t hash( const Args&... args )
|
|
{
|
|
size_t seed = 0;
|
|
combineHash( seed, args... );
|
|
return seed;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
/// Generic hash function for any range
|
|
//--------------------------------------------------------------------------------------------------
|
|
template <std::ranges::range Range>
|
|
size_t hash( const Range& range )
|
|
{
|
|
size_t seed = 0;
|
|
for ( const auto& elem : range )
|
|
{
|
|
combineHash( seed, elem );
|
|
}
|
|
return seed;
|
|
}
|
|
|
|
}; // namespace RiaHashTools
|