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//
// KIM-API: An API for interatomic models
// Copyright (c) 2013--2022, Regents of the University of Minnesota.
// All rights reserved.
//
// Contributors:
// Ryan S. Elliott
//
// SPDX-License-Identifier: LGPL-2.1-or-later
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//
// Release: This file is part of the kim-api.git repository.
//
#ifndef KIM_TEMPERATURE_UNIT_HPP_
#define KIM_TEMPERATURE_UNIT_HPP_
#include <string>
namespace KIM
{
/// \brief An \ref extensible_enumeration "Extensible Enumeration" for the
/// TemperatureUnit's supported by the %KIM API.
///
/// The enumeration constants are contained in the TEMPERATURE_UNIT namespace.
///
/// \sa KIM_TemperatureUnit,
/// kim_temperature_unit_module::kim_temperature_unit_type
///
/// \since 2.0
class TemperatureUnit
{
public:
/// \brief Integer identifying the specific TemperatureUnit represented.
///
/// \note This should not be directly accessed and is only public for
/// cross-language reasons.
///
/// \sa KIM_TemperatureUnit::temperatureUnitID,
/// kim_temperature_unit_module::kim_temperature_unit_type::<!--
/// -->temperature_unit_id
///
/// \since 2.0
int temperatureUnitID;
/// \brief Create an uninitialized TemperatureUnit object.
///
/// \since 2.0
TemperatureUnit();
/// \brief Create a TemperatureUnit object with the specified id.
///
/// \note This should not be used directly.
///
/// \since 2.0
TemperatureUnit(int const id);
/// \brief Create a TemperatureUnit object corresponding to the provided
/// string. If the string does not match one of the values defined by the
/// %KIM API, then an "unknown" object is generated.
///
/// \sa KIM_TemperatureUnit_FromString,
/// kim_temperature_unit_module::kim_from_string
///
/// \since 2.0
TemperatureUnit(std::string const & str);
/// \brief Determines if the object is a quantity known to the %KIM API.
///
/// TemperatureUnit's known to the %KIM API are found in the TEMPERATURE_UNIT
/// namespace.
///
/// \sa KIM_TemperatureUnit_Known, kim_temperature_unit_module::kim_known
///
/// \since 2.0
bool Known() const;
/// \brief Compares TemperatureUnit objects for equality.
///
/// \note Not all "unknown" objects are equal.
///
/// \sa KIM_TemperatureUnit_Equal,
/// kim_temperature_unit_module::operator(.eq.)
///
/// \since 2.0
bool operator==(TemperatureUnit const & rhs) const;
/// \brief Compares TemperatureUnit objects for inequality.
///
/// \note It is possible for two "unknown" objects to be not equal.
///
/// \sa KIM_TemperatureUnit_NotEqual,
/// kim_temperature_unit_module::operator(.ne.)
///
/// \since 2.0
bool operator!=(TemperatureUnit const & rhs) const;
/// \brief Converts the object to a string.
///
/// \return A string object representing the TemperatureUnit object.
///
/// \note If the TemperatureUnit object does not correspond to a value
/// defined by the %KIM API, then the string "unknown" is returned.
///
/// \sa KIM_TemperatureUnit_ToString,
/// kim_temperature_unit_module::kim_to_string
///
/// \since 2.0
std::string const & ToString() const;
}; // class TemperatureUnit
/// \brief Contains the enumeration constants and the discovery routines for
/// the TemperatureUnit \ref extensible_enumeration "Extensible Enumeration".
namespace TEMPERATURE_UNIT
{
/// \brief Indicates that a TemperatureUnit is not used.
///
/// \sa KIM_TEMPERATURE_UNIT_unused,
/// kim_temperature_unit_module::kim_temperature_unit_unused
///
/// \since 2.0
extern TemperatureUnit const unused;
/// \brief The standard Kelvin unit of temperature.
///
/// \sa KIM_TEMPERATURE_UNIT_K,
/// kim_temperature_unit_module::kim_temperature_unit_k
///
/// \since 2.0
extern TemperatureUnit const K;
/// \brief Get the number of standard TemperatureUnit's defined by the %KIM
/// API.
///
/// \param[out] numberOfTemperatureUnits The number of standard
/// TemperatureUnit's defined by the %KIM API.
///
/// \sa KIM_TEMPERATURE_UNIT_GetNumberOfTemperatureUnits,
/// kim_temperature_unit_module::kim_get_number_of_temperature_units
///
/// \since 2.0
void GetNumberOfTemperatureUnits(int * const numberOfTemperatureUnits);
/// \brief Get the identity of each defined standard TemperatureUnit.
///
/// \param[in] index Zero-based index uniquely labeling each defined standard
/// TemperatureUnit. This index ordering is only guaranteed to be
/// stable during the lifetime of the current process.
/// \param[out] temperatureUnit The TemperatureUnit object associated with \c
/// index.
///
/// \return \c true if `index < 0` or `index >= numberOfTemperatureUnits`.
/// \return \c false otherwise.
///
/// \sa KIM_TEMPERATURE_UNIT_GetTemperatureUnit,
/// kim_temperature_unit_module::kim_get_temperature_unit
///
/// \since 2.0
int GetTemperatureUnit(int const index,
TemperatureUnit * const temperatureUnit);
/// \brief Structure provided for use with std::map.
///
/// \since 2.0
struct Comparator
{
/// \brief Provides an (logically unmeaningful) ordering for TemperatureUnit
/// objects so that they can be stored in a std::map.
///
/// \since 2.0
bool operator()(TemperatureUnit const & a, TemperatureUnit const & b) const
{
return a.temperatureUnitID < b.temperatureUnitID;
}
}; // struct Comparator
} // namespace TEMPERATURE_UNIT
} // namespace KIM
#endif // KIM_TEMPERATURE_UNIT_HPP_
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