mod360.h

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// SPDX-License-Identifier: GPL-2.0-or-later
 * Authors: see git history
 *
 * Copyright (C) 2010 Authors
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
#ifndef SEEN_MOD360_H
#define SEEN_MOD360_H
 
// degree modulo 360; output from 0 to 360 inclusive
double mod360(double const x);
// degree module 360; output from -180 to 180
double mod360symm (double const x);
 
// radians -> degree modulo 360
double radians_to_degree_mod360(double rad);
 
// degrees -> radians modulo 2 Pi
double degree_to_radians_mod2pi(double degree);
 
#endif /* !SEEN_MOD360_H */
 
/*
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*/
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