From b30da672f0f52cd7c4ef949822d46a5711c2aa3a Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 22 Nov 2023 19:34:32 -0700
Subject: [PATCH] Revert "[interpolatable] Use absolute sqrt area, not signed"

This reverts commit 772d1f8c7895f9b8844264488bd2b542c4391022.

The new false-positives were not worth it. It degrades
the suggested fix for some fonts, but at least they are
not false-positives.
---
 Lib/fontTools/varLib/interpolatable.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/fontTools/varLib/interpolatable.py b/Lib/fontTools/varLib/interpolatable.py
index 3a3dbf4f0..9b72b4f50 100644
--- a/Lib/fontTools/varLib/interpolatable.py
+++ b/Lib/fontTools/varLib/interpolatable.py
@@ -165,7 +165,7 @@ def _contour_vector_from_stats(stats):
     # code depends on it. Search for "covariance".
     size = sqrt(abs(stats.area))
     return (
-        size,
+        copysign((size), stats.area),
         stats.meanX,
         stats.meanY,
         stats.stddevX * 2,