StandardAtmosphere.hpp

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// This file is part of INSTINCT, the INS Toolkit for Integrated
// Navigation Concepts and Training by the Institute of Navigation of
// the University of Stuttgart, Germany.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 
#pragma once
 
#include <gcem.hpp>
 
namespace NAV
{
 
[[nodiscard]] constexpr double calcTotalPressureStAtm(double altitudeMSL)
{
    return 1013.25 * gcem::pow(1 - 2.2557e-5 * altitudeMSL, 5.2568);
}
 
} // namespace NAV