#ifndef GRAPH_STORAGE_CARTESIAN_FUNCTION_H #define GRAPH_STORAGE_CARTESIAN_FUNCTION_H #include "../shared/storage_function.h" #include namespace Graph { class StorageCartesianFunction : public Shared::StorageFunction { public: static const char * Extension() { return Poincare::GlobalContext::funcExtension; } static StorageCartesianFunction EmptyModel() { return StorageCartesianFunction("function", KDColorRed); } StorageCartesianFunction(const char * text = nullptr, KDColor color = KDColorBlack); StorageCartesianFunction(Ion::Storage::Record record); bool displayDerivative() const { return m_displayDerivative; } void setDisplayDerivative(bool display) { m_displayDerivative = display; } double approximateDerivative(double x, Poincare::Context * context) const; double sumBetweenBounds(double start, double end, Poincare::Context * context) const override; Poincare::Expression::Coordinate2D nextMinimumFrom(double start, double step, double max, Poincare::Context * context) const; Poincare::Expression::Coordinate2D nextMaximumFrom(double start, double step, double max, Poincare::Context * context) const; double nextRootFrom(double start, double step, double max, Poincare::Context * context) const; Poincare::Expression::Coordinate2D nextIntersectionFrom(double start, double step, double max, Poincare::Context * context, const Shared::StorageFunction * function) const; const char * symbol() const override { return "x"; } private: bool m_displayDerivative; }; } #endif