From 719784120de878d1992917db048718c633a0fe51 Mon Sep 17 00:00:00 2001
From: Juliapixel <89038897+Juliapixel@users.noreply.github.com>
Date: Sun, 24 Dec 2023 20:23:32 -0300
Subject: [PATCH] fix wrong implementation of unsharpen filter (#2079)

---
 src/imageops/sample.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/imageops/sample.rs b/src/imageops/sample.rs
index 26dfe1ea6d..4ba2392739 100644
--- a/src/imageops/sample.rs
+++ b/src/imageops/sample.rs
@@ -991,9 +991,9 @@ where
                 let ic: i32 = NumCast::from(c).unwrap();
                 let id: i32 = NumCast::from(d).unwrap();
 
-                let diff = (ic - id).abs();
+                let diff = ic - id;
 
-                if diff > threshold {
+                if diff.abs() > threshold {
                     let e = clamp(ic + diff, 0, max); // FIXME what does this do for f32? clamp 0-1 integers??
 
                     NumCast::from(e).unwrap()