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a773228657
sequence to find a recurrent sequence value at an abscissa n Change-Id: Ic476a5065bbf7aa45c06aa3e9b4d3caa79dd18af
39 lines
958 B
C++
39 lines
958 B
C++
#ifndef SHARED_FUNCTION_H
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#define SHARED_FUNCTION_H
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#include <poincare.h>
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#include <kandinsky.h>
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namespace Shared {
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class Function {
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public:
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Function(const char * text = nullptr, KDColor color = KDColorBlack);
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~Function(); // Delete expression and layout, if needed
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const char * text();
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const char * name();
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KDColor color() const { return m_color; }
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Poincare::Expression * expression();
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Poincare::ExpressionLayout * layout();
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virtual bool isDefined();
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bool isActive();
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void setActive(bool active);
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virtual void setContent(const char * c);
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void setColor(KDColor m_color);
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virtual float evaluateAtAbscissa(float x, Poincare::Context * context) const;
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protected:
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constexpr static int k_bodyLength = 255;
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Poincare::Expression * m_expression;
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private:
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virtual char symbol() const = 0;
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char m_text[k_bodyLength];
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const char * m_name;
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KDColor m_color;
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Poincare::ExpressionLayout * m_layout;
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bool m_active;
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};
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}
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#endif
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