/*
 * Copyright (c) 2011-2014, The University of Oxford
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 * modification, are permitted provided that the following conditions are met:
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
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 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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#ifndef OSKAR_CONVERT_MJD_TO_GAST_FAST_H_
#define OSKAR_CONVERT_MJD_TO_GAST_FAST_H_

/**
 * @file oskar_convert_mjd_to_gast_fast.h
 */

#include <oskar_global.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief
 * Convert MJD(UT1) to Greenwich Apparent Sidereal Time.
 *
 * @details
 * This function converts MJD(UT1) to the Greenwich Apparent Sidereal Time.
 *
 * @param[in] mjd  The MJD(UT1).
 *
 * @return The Greenwich Apparent Sidereal Time, in radians.
 */
OSKAR_EXPORT
double oskar_convert_mjd_to_gast_fast(double mjd);

#ifdef __cplusplus
}
#endif

#endif /* OSKAR_CONVERT_MJD_TO_GAST_FAST_H_ */
