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| author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-04-09 13:49:54 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2011-04-10 09:24:21 +0200 |
| commit | 5ae4251c3b603cc7f44dd0e0839c5b6f6bbac61e (patch) | |
| tree | 22c45f3f3115c2880fb5c6af3b0502d2e911c193 /doc/eval.texi | |
| parent | 2fd8756b9f5f5e809bec8f2635216f236106dff4 (diff) | |
| download | ffmpeg-5ae4251c3b603cc7f44dd0e0839c5b6f6bbac61e.tar.gz | |
eval: add support for trunc, ceil, and floor functions
Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'doc/eval.texi')
| -rw-r--r-- | doc/eval.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/eval.texi b/doc/eval.texi index a989a373a6..d8c693f304 100644 --- a/doc/eval.texi +++ b/doc/eval.texi @@ -60,6 +60,18 @@ The function returns the loaded value. Evaluate expression @var{expr} while the expression @var{cond} is non-zero, and returns the value of the last @var{expr} evaluation, or NAN if @var{cond} was always false. + +@item ceil(expr) +Round the value of expression @var{expr} upwards to the nearest +integer. For example, "ceil(1.5)" is "2.0". + +@item floor(expr) +Round the value of expression @var{expr} downwards to the nearest +integer. For example, "floor(-1.5)" is "-2.0". + +@item trunc(expr) +Round the value of expression @var{expr} towards zero to the nearest +integer. For example, "trunc(-1.5)" is "-1.0". @end table Note that: |