From b9c55a8e08d7a38aba07b82e6e37b2036db6c132 Mon Sep 17 00:00:00 2001
From: johannes hanika <hanatos@gmail.com>
Date: Fri, 13 Sep 2024 13:48:01 +0200
Subject: [PATCH] pick: show absolute difference, no negative values

---
 src/pipe/modules/pick/main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/pipe/modules/pick/main.c b/src/pipe/modules/pick/main.c
index 337d7a43..9f273134 100644
--- a/src/pipe/modules/pick/main.c
+++ b/src/pipe/modules/pick/main.c
@@ -274,9 +274,9 @@ void write_sink(
     if(show == 2)
     {
       const float d = _cie_de76(picked+3*k, ref+3*k);
-      picked[3*k+0] -= ref[3*k+0];
-      picked[3*k+1] -= ref[3*k+1];
-      picked[3*k+2] -= ref[3*k+2];
+      picked[3*k+0] = fabsf(picked[3*k+0] - ref[3*k+0]);
+      picked[3*k+1] = fabsf(picked[3*k+1] - ref[3*k+1]);
+      picked[3*k+2] = fabsf(picked[3*k+2] - ref[3*k+2]);
       if(d < de76[1])
       {
         // mi = k;