mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-04 13:30:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

PCM API cleaning. silencing implementation. xfer_min removal

Browse source
This commit is contained in:
Abramo Bagnara 2000-12-29 15:00:53 +00:00
parent 684703b387
commit 8f1b27dfb8
29 changed files with 1189 additions and 853 deletions
Download patch file Download diff file Expand all files Collapse all files

25
src/pcm/interval.c
View file

@ -20,6 +20,7 @@
*/
#define INTERVAL_C
#define INTERVAL_INLINE
#include <sys/types.h>
#include <limits.h>
@ -215,6 +216,30 @@ int interval_refine_set(interval_t *i, unsigned int val)
return interval_refine(i, &t);
}
/* a <- b + c */
int interval_add(interval_t *a, const interval_t *b, const interval_t *c)
{
interval_t t;
assert(!a->empty && !b->empty && !c->empty);
t.min = add(b->min, c->min);
t.openmin = (b->openmin || c->openmin);
t.max = add(b->max, c->max);
t.openmax = (b->openmax || c->openmax);
return interval_refine(a, &t);
}
/* a <- b - c */
int interval_sub(interval_t *a, const interval_t *b, const interval_t *c)
{
interval_t t;
assert(!a->empty && !b->empty && !c->empty);
t.min = sub(b->min, c->max);
t.openmin = (b->openmin || c->openmax);
t.max = add(b->max, c->min);
t.openmax = (b->openmax || c->openmin);
return interval_refine(a, &t);
}
/* a <- b * c */
int interval_mul(interval_t *a, const interval_t *b, const interval_t *c)
{