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avutil/eval: add atan2 function

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Paul B Mahol 2017-01-29 10:26:16 +01:00
parent 036e12b225
commit 13564fc24d
2 changed files with 6 additions and 1 deletions
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3
doc/utils.texi
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@ -776,6 +776,9 @@ Compute arcsine of @var{x}.
@item atan(x)
Compute arctangent of @var{x}.
@item atan2(x, y)
Compute principal value of the arc tangent of @var{y}/@var{x}.
@item between(x, min, max)
Return 1 if @var{x} is greater than or equal to @var{min} and lesser than or
equal to @var{max}, 0 otherwise.