PotentialOwner.h

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// SPDX-License-Identifier: BSD-3-Clause
#pragma once
 
#include <limits>
 
namespace eonc::potential_owner {
// Ring beads use their nonnegative index. Auxiliary geometry and derivative
// stencils each reuse one scratch slot, bounding retained electronic states.
inline constexpr long auxiliary = std::numeric_limits<long>::max() - 1;
inline constexpr long derivative = std::numeric_limits<long>::max();
inline constexpr long reactant = std::numeric_limits<long>::max() - 2;
inline constexpr long saddle = std::numeric_limits<long>::max() - 3;
} // namespace eonc::potential_owner