OnlineAverager.cpp

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#include "OnlineAverager.h"

OnlineAverager::OnlineAverager()
        : n_input_ports()
{}

OnlineAverager::OnlineAverager(unsigned numInputPorts) :
        n_input_ports(numInputPorts)
{}


OnlineAverager::~OnlineAverager()
{}

int OnlineAverager::nAnalogInputPorts() const
{
    return n_input_ports;
}

int OnlineAverager::nAnalogOutputPorts() const
{
    return 2;
}


SimObject::PortType OnlineAverager::outputPortType(port_t p) const
{
    if (p < 2)
        return analog;
    else
        return undefined;
}

SimObject::PortType OnlineAverager::inputPortType(port_t p) const
{
    if (p < n_input_ports)
        return analog;
    else
        return undefined;
}

int OnlineAverager::reset( double dt )
{
    sum = 0;
    sum2 = 0;
    mean = 0;
    std = 0;
    return 0;
}

int OnlineAverager::advance( AdvanceInfo const& ai)
{
    mean = sum/n_input_ports;
    std = sqrt(sum2/n_input_ports - mean * mean);
    sum = 0;
    sum2 = 0;
    return 0;
}

double OnlineAverager::getAnalogOutput(analog_port_id_t port) const
{
    if (port == 0)
        return mean;
    else
        if (port == 1)
            return std;
    return 0;
}

void OnlineAverager::setAnalogInput(double value, analog_port_id_t port)
{       
    sum = sum + value;
    sum2 = sum2 + value * value;
}

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