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Upsilon/apps/graph/continuous_function_store.h

33 lines
1.6 KiB
C++

#ifndef GRAPH_CONTINUOUS_FUNCTION_STORE_H
#define GRAPH_CONTINUOUS_FUNCTION_STORE_H
#include "../shared/function_store.h"
#include "../shared/continuous_function.h"
namespace Graph {
class ContinuousFunctionStore : public Shared::FunctionStore {
public:
int numberOfActiveFunctionsOfType(Shared::ContinuousFunction::PlotType plotType) const {
return numberOfModelsSatisfyingTest(&isFunctionActiveOfType, &plotType);
}
Ion::Storage::Record activeRecordOfTypeAtIndex(Shared::ContinuousFunction::PlotType plotType, int i) const {
return recordSatisfyingTestAtIndex(i, &isFunctionActiveOfType, &plotType);
}
Shared::ExpiringPointer<Shared::ContinuousFunction> modelForRecord(Ion::Storage::Record record) const { return Shared::ExpiringPointer<Shared::ContinuousFunction>(static_cast<Shared::ContinuousFunction *>(privateModelForRecord(record))); }
private:
Ion::Storage::Record::ErrorStatus addEmptyModel() override;
const char * modelExtension() const override { return Ion::Storage::funcExtension; }
Shared::ExpressionModelHandle * setMemoizedModelAtIndex(int cacheIndex, Ion::Storage::Record record) const override;
Shared::ExpressionModelHandle * memoizedModelAtIndex(int cacheIndex) const override;
static bool isFunctionActiveOfType(Shared::ExpressionModelHandle * model, void * context) {
Shared::ContinuousFunction::PlotType plotType = *static_cast<Shared::ContinuousFunction::PlotType *>(context);
return isFunctionActive(model, context) && plotType == static_cast<Shared::ContinuousFunction *>(model)->plotType();
}
mutable Shared::ContinuousFunction m_functions[k_maxNumberOfMemoizedModels];
};
}
#endif