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51 lines
2.2 KiB
C++
51 lines
2.2 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 void DefaultName(char buffer[], size_t bufferSize);
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static char Symbol() { return 'x'; }
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char symbol() const override { return Symbol(); };
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static StorageCartesianFunction NewModel(Ion::Storage::Record::ErrorStatus * error, const char * baseName = nullptr);
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StorageCartesianFunction(Ion::Storage::Record record = Record()) :
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StorageFunction(record)
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{}
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bool displayDerivative() const;
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void setDisplayDerivative(bool display);
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int derivativeNameWithArgument(char * buffer, size_t bufferSize, char arg);
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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, Poincare::Expression expression) const;
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protected:
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class CartesianFunctionRecordData : public FunctionRecordData {
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public:
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CartesianFunctionRecordData(KDColor color) :
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FunctionRecordData(color),
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m_displayDerivative(false)
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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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private:
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bool m_displayDerivative;
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/* In the record, after the boolean flag about displayDerivative, there is
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* the expression of the function, directly copied from the pool. */
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//char m_expression[0];
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};
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private:
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size_t metaDataSize() const override { return sizeof(CartesianFunctionRecordData); }
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CartesianFunctionRecordData * recordData() const;
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};
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}
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#endif
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