diff --git a/src/nicefunction.hh b/src/nicefunction.hh index 432ca89a6d8384f7b2fd3c21f78ed36bbc1573ae..532dfa2580e7e46404615da3ae6cb10cd9c43859 100644 --- a/src/nicefunction.hh +++ b/src/nicefunction.hh @@ -38,9 +38,9 @@ class TrivialFunction : public NiceFunction { public: void virtual evaluate(double const& x, double& y) const { y = 0; } - double virtual leftDifferential(const double) const { return 0; } + double virtual leftDifferential(double) const { return 0; } - double virtual rightDifferential(const double) const { return 0; } + double virtual rightDifferential(double) const { return 0; } }; // slope in [n-1,n] is n