diff --git a/dune/tectonic/nicefunction.hh b/dune/tectonic/nicefunction.hh index f4dfc107472a19745d7c2a92b61f0190a32dde47..6140a3977b6bed90d4a56e37fcbdc91408ad13ac 100644 --- a/dune/tectonic/nicefunction.hh +++ b/dune/tectonic/nicefunction.hh @@ -10,6 +10,8 @@ namespace Dune { class NiceFunction : public VirtualFunction<double, double> { public: + virtual ~NiceFunction() {} + virtual double leftDifferential(double s) const = 0; virtual double rightDifferential(double s) const = 0; };