diff options
author | Bastien Montagne <bastien@blender.org> | 2021-06-22 18:00:18 +0300 |
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committer | Bastien Montagne <bastien@blender.org> | 2021-06-22 18:00:18 +0300 |
commit | feaf309de742a92e158cd123b3a584915de0ac4d (patch) | |
tree | a856c8f5522de1f1c5c59be8f887135fdb65fe39 /source/blender/blenlib/intern | |
parent | f4e3b1e5732ca8413a47dfdb93ae1227bb14f9dc (diff) |
Add initial `BLI_math_time` with a 'seconds decompose' function.
Allows to decompose a given amount of seconds into a random set of
days/hours/minutes/seconds/milliseconds values.
Also add matching test.
Differential Revision: https://developer.blender.org/D11581
Diffstat (limited to 'source/blender/blenlib/intern')
-rw-r--r-- | source/blender/blenlib/intern/math_time.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_time.c b/source/blender/blenlib/intern/math_time.c new file mode 100644 index 00000000000..23ad1ae8777 --- /dev/null +++ b/source/blender/blenlib/intern/math_time.c @@ -0,0 +1,69 @@ +/* + * 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. + */ +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; + } +} |