6663b6c9
 adorian
projet complet av...
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#ifndef REGRESSION_GRAPH_VIEW_H
#define REGRESSION_GRAPH_VIEW_H
#include <escher.h>
#include "store.h"
#include "../constant.h"
#include "../shared/curve_view.h"
namespace Regression {
class GraphView : public Shared::CurveView {
public:
GraphView(Store * store, Shared::CurveViewCursor * cursor, Shared::BannerView * bannerView, View * cursorView);
void drawRect(KDContext * ctx, KDRect rect) const override;
private:
char * label(Axis axis, int index) const override;
float evaluateModelWithParameter(Model * curve, float t) const override;
Store * m_store;
char m_xLabels[k_maxNumberOfXLabels][Poincare::PrintFloat::bufferSizeForFloatsWithPrecision(Constant::ShortNumberOfSignificantDigits)];
char m_yLabels[k_maxNumberOfYLabels][Poincare::PrintFloat::bufferSizeForFloatsWithPrecision(Constant::ShortNumberOfSignificantDigits)];
/* We memoize the a and b of the regression y = ax+b to avoid recomputing them
* for each stamp of the curve (since the computation is done with double
* precision) */
mutable float m_slope;
mutable float m_yIntercept;
};
}
#endif
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