diff --git a/src/nicefunction.hh b/src/nicefunction.hh index 0304714434a98ff4b7da59b1bd647e6c3fdbf036..ef39ae97d9de186f1bb4ce8fdddd52266108535f 100644 --- a/src/nicefunction.hh +++ b/src/nicefunction.hh @@ -5,6 +5,8 @@ #include <dune/common/function.hh> +#include <cmath> + namespace Dune { class NiceFunction : public VirtualFunction<double, double> { public: