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blender-archive/source/blender/blenlib/intern/math_time.c
Bastien Montagne 6ff0d59967 Minor cleanup to previous commit introducing BLI_math_time.
Forgot to address latest review comments, sorry for the noise.`:wq
2021-06-22 17:02:45 +02:00

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2.5 KiB
C

/*
* 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 2
* of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2021 by Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup bli
*/
#include "BLI_math.h"
/** 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)
{
BLI_assert(r_days != NULL || r_hours != NULL || r_minutes != NULL || r_seconds != NULL ||
r_milliseconds != NULL);
if (r_days != NULL) {
seconds = modf(seconds / SECONDS_IN_DAY, r_days) * SECONDS_IN_DAY;
}
if (r_hours != NULL) {
seconds = modf(seconds / SECONDS_IN_HOUR, r_hours) * SECONDS_IN_HOUR;
}
if (r_minutes != NULL) {
seconds = modf(seconds / SECONDS_IN_MINUTE, r_minutes) * SECONDS_IN_MINUTE;
}
if (r_seconds != NULL) {
seconds = modf(seconds, r_seconds);
}
if (r_milliseconds != NULL) {
*r_milliseconds = seconds / SECONDS_IN_MILLISECONDS;
}
else if (r_seconds != NULL) {
*r_seconds += seconds;
}
else if (r_minutes != NULL) {
*r_minutes += seconds / SECONDS_IN_MINUTE;
}
else if (r_hours != NULL) {
*r_hours += seconds / SECONDS_IN_HOUR;
}
else if (r_days != NULL) {
*r_days = seconds / SECONDS_IN_DAY;
}
}