#3489 vtk9itk5wx3-macos

diff --git a/packages/vtk/src/bbvtkUnMosaic.cxx b/packages/vtk/src/bbvtkUnMosaic.cxx
index 5e2209f171f5d12157a61c4c2acaeca4b85aed91..caef6a2e1985244d5c728e3fac95d5790431bc60 100644 (file)
--- a/packages/vtk/src/bbvtkUnMosaic.cxx
+++ b/packages/vtk/src/bbvtkUnMosaic.cxx
@@ -41,6 +41,7 @@
 #ifdef _USE_VTK_
 #include "bbvtkUnMosaic.h"
 #include "bbvtkPackage.h"
+#include <math.h>
 
 namespace bbvtk
 {