blender-archive/source/blender/blenlib/BLI_math_time.h

/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2021 Blender Foundation. All rights reserved. */

#pragma once

/** \file
 * \ingroup bli
 */

#ifdef __cplusplus
extern "C" {
#endif

/* -------------------------------------------------------------------- */
/** \name Time Constants Definitions
 * \{ */

#define SECONDS_IN_MILLISECONDS 0.001
#define SECONDS_IN_MINUTE 60.0
#define MINUTES_IN_HOUR 60.0
#define HOURS_IN_DAY 24.0

#define MINUTES_IN_DAY (MINUTES_IN_HOUR * HOURS_IN_DAY)
#define SECONDS_IN_DAY (MINUTES_IN_DAY * SECONDS_IN_MINUTE)
#define SECONDS_IN_HOUR (MINUTES_IN_HOUR * SECONDS_IN_MINUTE)

/** \} */

/* -------------------------------------------------------------------- */
/** \name Time API
 * \{ */

/**
 * Explode given time value expressed in seconds, into a set of days, hours, minutes, seconds
 * and/or milliseconds (depending on which return parameters are not NULL).
 *
 * \note The smallest given return parameter will get the potential fractional remaining time
 * value. E.g. if you give `seconds=90.0` and do not pass `r_seconds` and `r_milliseconds`,
 * `r_minutes` will be set to `1.5`.
 */
void BLI_math_time_seconds_decompose(double seconds,
                                     double *r_days,
                                     double *r_hours,
                                     double *r_minutes,
                                     double *r_seconds,
                                     double *r_milliseconds);

/** \} */

/* -------------------------------------------------------------------- */
/** \name Inline Definitions
 * \{ */

/* None. */

/** \} */

#ifdef __cplusplus
}
#endif