EGM96.h

/*
 * Copyright (c) 2006 D.Ineiev <ineiev@yahoo.co.uk>
 * Copyright (c) 2020 Emeric Grange <emeric.grange@gmail.com>
 *
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from
 * the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

#ifndef EGM96_H
#define EGM96_H
/* ************************************************************************** */

/*!
 * \brief Compute the geoid undulation from the EGM96 potential coefficient model, for a given latitude and longitude.
 * \param latitude: Latitude (in degrees).
 * \param longitude: Longitude (in degrees).
 * \return The geoid undulation / altitude offset (in meters).
 */
double egm96_compute_altitude_offset(double latitude, double longitude);

/* ************************************************************************** */
#endif // EGM96_H