diff options
| author | Paul B Mahol <onemda@gmail.com> | 2017-01-29 10:26:16 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2017-01-30 11:04:31 +0100 |
| commit | 13564fc24d8248a1f9a987ce1bbd483c72609438 (patch) | |
| tree | cbab3c9c0aa8fba5431c411d0bc590c5d5f4946e /libavutil/eval.c | |
| parent | 036e12b225b2869861d1449534dec94bd491559e (diff) | |
| download | ffmpeg-13564fc24d8248a1f9a987ce1bbd483c72609438.tar.gz | |
avutil/eval: add atan2 function
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavutil/eval.c')
| -rw-r--r-- | libavutil/eval.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavutil/eval.c b/libavutil/eval.c index 2d49154c37..7e866155db 100644 --- a/libavutil/eval.c +++ b/libavutil/eval.c @@ -155,7 +155,7 @@ struct AVExpr { e_pow, e_mul, e_div, e_add, e_last, e_st, e_while, e_taylor, e_root, e_floor, e_ceil, e_trunc, e_sqrt, e_not, e_random, e_hypot, e_gcd, - e_if, e_ifnot, e_print, e_bitand, e_bitor, e_between, e_clip + e_if, e_ifnot, e_print, e_bitand, e_bitor, e_between, e_clip, e_atan2 } type; double value; // is sign in other types union { @@ -306,6 +306,7 @@ static double eval_expr(Parser *p, AVExpr *e) case e_last:return e->value * d2; case e_st : return e->value * (p->var[av_clip(d, 0, VARS-1)]= d2); case e_hypot:return e->value * hypot(d, d2); + case e_atan2:return e->value * atan2(d, d2); case e_bitand: return isnan(d) || isnan(d2) ? NAN : e->value * ((long int)d & (long int)d2); case e_bitor: return isnan(d) || isnan(d2) ? NAN : e->value * ((long int)d | (long int)d2); } @@ -452,6 +453,7 @@ static int parse_primary(AVExpr **e, Parser *p) else if (strmatch(next, "bitor" )) d->type = e_bitor; else if (strmatch(next, "between"))d->type = e_between; else if (strmatch(next, "clip" )) d->type = e_clip; + else if (strmatch(next, "atan2" )) d->type = e_atan2; else { for (i=0; p->func1_names && p->func1_names[i]; i++) { if (strmatch(next, p->func1_names[i])) { |