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VILLASnode/include/villas/timing.h

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/** Time related functions.
*
* @file
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
*
* VILLASnode
*
* 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, either version 3 of the License, or
* any later version.
*
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* 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 General Public License for more details.
*
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* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************************/
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#pragma once
#include <stdio.h>
#include <stdint.h>
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#include <time.h>
#ifdef __cplusplus
extern "C"{
#endif
/** Get delta between two timespec structs */
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struct timespec time_diff(const struct timespec *start, const struct timespec *end);
/** Get sum of two timespec structs */
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struct timespec time_add(const struct timespec *start, const struct timespec *end);
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/** Return current time as a struct timespec. */
struct timespec time_now();
/** Return the diffrence off two timestamps as double value in seconds. */
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double time_delta(const struct timespec *start, const struct timespec *end);
/** Convert timespec to double value representing seconds */
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double time_to_double(const struct timespec *ts);
/** Convert double containing seconds after 1970 to timespec. */
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struct timespec time_from_double(double secs);
#ifdef __cplusplus
}
#endif