unsigned get_nparams() const { return nparams; }
protected:
- bool has_derivative() const { return derivative_f != NULL; }
- bool has_power() const { return power_f != NULL; }
+ bool has_derivative() const { return derivative_f != nullptr; }
+ bool has_power() const { return power_f != nullptr; }
void test_and_set_nparams(unsigned n);
void set_print_func(unsigned id, print_funcp f);