Make it work with debian9 native g++ version 6.3.0

diff --git a/src/INTERP_KERNEL/LinearAlgebra/InterpKernelLUDecomp.cxx b/src/INTERP_KERNEL/LinearAlgebra/InterpKernelLUDecomp.cxx
index 3416e5ad2acd02e9ce29bd6b83ae603332e1a73a..e64ca3fc47aeb9acf1555730ec529962efceb07e 100644 (file)
--- a/src/INTERP_KERNEL/LinearAlgebra/InterpKernelLUDecomp.cxx
+++ b/src/INTERP_KERNEL/LinearAlgebra/InterpKernelLUDecomp.cxx
@@ -22,6 +22,7 @@
 #include "InterpKernelLUDecomp.hxx"
 #include "InterpKernelException.hxx"
 
+#include <cmath>
 #include <sstream>
 
 using namespace INTERP_KERNEL;