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/*
* Parts of this file have been taken from the Redshift project:
* https://github.com/jonls/redshift/
*
* Copyright 2010 Jon Lund Steffensen
* Copyright 2023 Robert Tari
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Jon Lund Steffensen <jonlst@gmail.com>
* Robert Tari <robert@tari.in>
*/
#ifndef REDSHIFT_SOLAR_H
#define REDSHIFT_SOLAR_H
#define SOLAR_CIVIL_TWILIGHT_ELEV -6.0
double solar_elevation(double date, double lat, double lon);
#endif /* ! REDSHIFT_SOLAR_H */
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