From 803bde0cd28a42c6df548ba5d494dd9a955f7af3 Mon Sep 17 00:00:00 2001
From: Filip Sykala <filip.sykala@prusa3d.cz>
Date: Tue, 21 Jun 2022 16:30:56 +0200
Subject: [PATCH] Fix ../src/libslic3r/CutSurface.cpp:2300:26: warning:
 comparison of integer expressions of different signedness: 'size_t' {aka
 'long unsigned int'} and 'int' [-Wsign-compare]

---
 src/libslic3r/CutSurface.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libslic3r/CutSurface.cpp b/src/libslic3r/CutSurface.cpp
index 4ab5fa902..ae696f734 100644
--- a/src/libslic3r/CutSurface.cpp
+++ b/src/libslic3r/CutSurface.cpp
@@ -2297,7 +2297,8 @@ void priv::store(const Vec3f       &vertex,
 
     its.vertices.push_back(vertex);
     its.vertices.push_back(vertex + up);
-    for (size_t i = 1; i < flatten; i++) {
+    size_t max_i = static_cast<size_t>(flatten);
+    for (size_t i = 1; i < max_i; i++) {
         float angle = i * 2 * M_PI / flatten;
         Vec3f v     = vertex + sin(angle) * side + cos(angle) * up;
         its.vertices.push_back(v);