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60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
#ifndef SHARED_STORAGE_CARTESIAN_FUNCTION_H
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#define SHARED_STORAGE_CARTESIAN_FUNCTION_H
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#include "global_context.h"
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#include "storage_function.h"
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#include <poincare/symbol.h>
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namespace Shared {
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class StorageCartesianFunction : public StorageFunction {
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public:
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static const char * Extension() { return GlobalContext::funcExtension; }
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static void DefaultName(char buffer[], size_t bufferSize);
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static StorageCartesianFunction NewModel();
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StorageCartesianFunction(const char * text = nullptr) :
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StorageFunction(text)
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{}
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StorageCartesianFunction(Ion::Storage::Record record) :
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StorageFunction(record)
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{}
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bool operator==(const StorageCartesianFunction & other) const { return record() == other.record(); }
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bool operator!=(const StorageCartesianFunction & other) const { return !(*this == other); }
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bool displayDerivative() const;
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void setDisplayDerivative(bool display);
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double approximateDerivative(double x, Poincare::Context * context) const;
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double sumBetweenBounds(double start, double end, Poincare::Context * context) const override;
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Poincare::Expression::Coordinate2D nextMinimumFrom(double start, double step, double max, Poincare::Context * context) const;
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Poincare::Expression::Coordinate2D nextMaximumFrom(double start, double step, double max, Poincare::Context * context) const;
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double nextRootFrom(double start, double step, double max, Poincare::Context * context) const;
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Poincare::Expression::Coordinate2D nextIntersectionFrom(double start, double step, double max, Poincare::Context * context, const StorageFunction * function) const;
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const char * symbol() const override {
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static const char x[2] = {Poincare::Symbol::UnknownX, 0}; //TODO remove static
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return x;
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}
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// StorageExpressionModel
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void setContent(const char * c) override;
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void * expressionAddress() const override;
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size_t expressionSize() const override;
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protected:
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class CartesianFunctionRecordData : public FunctionRecordData {
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public:
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CartesianFunctionRecordData() :
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FunctionRecordData(),
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m_displayDerivative(true)
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{}
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bool displayDerivative() const { return m_displayDerivative; }
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void setDisplayDerivative(bool display) { m_displayDerivative = display; }
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void * expressionAddress() { return &m_expression; }
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private:
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bool m_displayDerivative;
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char m_expression[0];
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};
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private:
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CartesianFunctionRecordData * recordData() const;
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};
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}
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#endif
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