From b02230126f8777eae04b6c3169a02104a9796f5f Mon Sep 17 00:00:00 2001
From: Bruno Pitrus <brunopitrus@hotmail.com>
Date: Thu, 19 Oct 2023 19:15:02 +0200
Subject: [PATCH] IWYU: add missing include for `round`

---
 cpp/palettes/tones.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpp/palettes/tones.cc b/cpp/palettes/tones.cc
index 7b42646d..37a86392 100644
--- a/cpp/palettes/tones.cc
+++ b/cpp/palettes/tones.cc
@@ -16,6 +16,7 @@
 
 #include "cpp/palettes/tones.h"
 
+#include <cmath>
 #include "cpp/cam/cam.h"
 #include "cpp/cam/hct.h"