#include "gtl_math_peak.h"

namespace gtl
{
    namespace math
    {
        peak::peak(gtl::analog_data *data)
            : analog_value(data)
        {
            _name = "peak";

            _max = new gtl::math::max(data);
            _min = new gtl::math::min(data);
            _offset = new gtl::math::offset(data);
        }

        peak::~peak()
        {
            delete _max;
            delete _min;
            delete _offset;
        }

        void peak::set_time(qreal value)
        {
            analog_value::set_time(value);
            _max->set_time(value);
            _min->set_time(value);
            _offset->set_time(value);
        }

        void peak::data_changed()
        {
            analog_value::data_changed();

            qreal amax = abs(_max->value() - _offset->value());
            qreal amin = abs(_min->value() - _offset->value());

            _value =  amax > amin ? amax : amin;

            emit value_changed();
        }
   }
}