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authorPaul B Mahol <onemda@gmail.com>2017-08-18 09:15:33 +0200
committerPaul B Mahol <onemda@gmail.com>2017-08-19 12:42:24 +0200
commit1146133df8117c96cc6681a062df6df825fcae2d (patch)
tree19cb503e6e87c1ebf223724e9e2afd0cac991eeb /doc/utils.texi
parente3a4afca07b2753269f5f05c6fd5ca3034734c00 (diff)
avutil/eval: add linear interpolation helper
Diffstat (limited to 'doc/utils.texi')
-rw-r--r--doc/utils.texi3
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/utils.texi b/doc/utils.texi
index d65bdf0b0e..e635118565 100644
--- a/doc/utils.texi
+++ b/doc/utils.texi
@@ -864,6 +864,9 @@ Load the value of the internal variable with number
@var{var}, which was previously stored with st(@var{var}, @var{expr}).
The function returns the loaded value.
+@item lerp(x, y, z)
+Return linear interpolation between @var{x} and @var{y} by amount of @var{z}.
+
@item log(x)
Compute natural logarithm of @var{x}.