Fix compilation error on Linux

diff --git a/src/SketchPlugin/SketchPlugin_Circle.cpp b/src/SketchPlugin/SketchPlugin_Circle.cpp
index a57a9f4a19f916ca4dd11b5df6fe6a80d033ca79..bd3efaf41082ec3a99d02e072935efb1e08e8788 100644 (file)
--- a/src/SketchPlugin/SketchPlugin_Circle.cpp
+++ b/src/SketchPlugin/SketchPlugin_Circle.cpp
@@ -24,6 +24,8 @@
 #include <GeomAlgoAPI_EdgeBuilder.h>
 #include <GeomAlgoAPI_CompoundBuilder.h>
 
+#include <cmath>
+
 const double tolerance = 1e-7;
 
 namespace {