Files
Upsilon/apps/shared/storage_function.h

46 lines
1.6 KiB
C++

#ifndef SHARED_STORAGE_FUNCTION_H
#define SHARED_STORAGE_FUNCTION_H
#include <escher/text_field.h>
#include "storage_expression_model.h"
namespace Shared {
class StorageFunction : public StorageExpressionModel {
public:
StorageFunction(const char * name = nullptr, KDColor color = KDColorBlack) :
StorageExpressionModel(name),
m_color(color),
m_active(true)
{}
StorageFunction(Ion::Storage::Record record, KDColor color = KDColorBlack) :
StorageExpressionModel(record),
m_color(color),
m_active(true)
{
}
virtual uint32_t checksum();
KDColor color() const { return m_color; }
bool isActive() const { return m_active; }
void setActive(bool active) { m_active = active; }
void setColor(KDColor color) { m_color = color; }
virtual float evaluateAtAbscissa(float x, Poincare::Context * context) const {
return templatedApproximateAtAbscissa(x, context);
}
virtual double evaluateAtAbscissa(double x, Poincare::Context * context) const {
return templatedApproximateAtAbscissa(x, context);
}
virtual double sumBetweenBounds(double start, double end, Poincare::Context * context) const = 0;
private:
constexpr static size_t k_dataLengthInBytes = (TextField::maxBufferSize()+2)*sizeof(char)+2;
static_assert((k_dataLengthInBytes & 0x3) == 0, "The function data size is not a multiple of 4 bytes (cannot compute crc)"); // Assert that dataLengthInBytes is a multiple of 4
template<typename T> T templatedApproximateAtAbscissa(T x, Poincare::Context * context) const;
virtual const char * symbol() const = 0;
KDColor m_color;
bool m_active;
};
}
#endif