mirror of
https://github.com/OPM/ResInsight.git
synced 2026-08-27 05:37:21 -05:00
Magne Sjaastad
ed8917dc1b
Refactor RigActiveCellInfo to use ReservoirCellIndex and ActiveCellIndex instead of raw size_t. Add ActiveCellIndexTag/ActiveCellIndex to RigTypeSafeIndex.h and add inline comments describing both index types. Deprecate raw size_t overloads.
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2026 Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include <cstddef>
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#include <functional>
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template <typename Tag>
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class TypeSafeIndex
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{
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public:
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// Default constructor
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constexpr TypeSafeIndex() noexcept
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: m_value( 0 )
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{
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}
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// Explicit constructor from size_t (prevents implicit conversion)
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explicit constexpr TypeSafeIndex( size_t value ) noexcept
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: m_value( value )
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{
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}
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// Explicit conversion to size_t
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explicit constexpr operator size_t() const noexcept { return m_value; }
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// Getter for when you need the value
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constexpr size_t value() const noexcept { return m_value; }
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// Comparison operators
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constexpr bool operator==( const TypeSafeIndex& other ) const noexcept = default;
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constexpr auto operator<=>( const TypeSafeIndex& other ) const noexcept = default;
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// Arithmetic operators (if needed)
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constexpr TypeSafeIndex& operator++() noexcept
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{
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++m_value;
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return *this;
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}
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private:
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size_t m_value;
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};
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// Hash support for using in std::unordered_map, etc.
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namespace std
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{
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template <typename Tag>
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struct hash<TypeSafeIndex<Tag>>
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{
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size_t operator()( const TypeSafeIndex<Tag>& idx ) const noexcept { return hash<size_t>{}( idx.value() ); }
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};
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} // namespace std
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// Define specific types using tag structs
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struct ReservoirCellIndexTag
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{
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};
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// Global cell index in the full IJK reservoir grid
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using ReservoirCellIndex = TypeSafeIndex<ReservoirCellIndexTag>;
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struct ActiveCellIndexTag
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{
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};
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// Index into the subset of active cells. This is usually the index used to access results data.
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using ActiveCellIndex = TypeSafeIndex<ActiveCellIndexTag>;
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