Make Parameter a Template
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Make parameter a template, such that it can support other types than double as well; see TODO in its doxygen comment:
/**
* @brief Class for Filter-parameters
*
* This class is made to hold parameters for filters.
* It has a minimum and maximum value and notifies the
* associated filter of changes.
*
* @todo make a template out of it, so different types are supported
*/
class Parameter
{
private:
double mValue;
double mMinimum;
double mMaximum;
bool mChg;
Filter *mFilter; // Filter where parameter is for
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