OnlineHistogramGenerator.cpp

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#include "OnlineHistogramGenerator.h"

#include <algorithm>

OnlineHistogramGenerator::OnlineHistogramGenerator::OnlineHistogramGenerator()
{}

OnlineHistogramGenerator::OnlineHistogramGenerator(unsigned numInputPorts,
        double minVal,
        double maxVal,
        unsigned numBins,
        unsigned samplingTime) :
        n_input_ports(numInputPorts), min_val(minVal), max_val(maxVal), num_bins(numBins), sampling_time(samplingTime)
{}

OnlineHistogramGenerator::~OnlineHistogramGenerator()
{}


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


int OnlineHistogramGenerator::nAnalogOutputPorts() const
{
    return  num_bins;
}


SimObject::PortType OnlineHistogramGenerator::outputPortType(port_t p) const
{
    if (p < num_bins)
        return analog;
    return undefined;
}

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

int OnlineHistogramGenerator::reset( double dt )
{
    stepsToWait = 0;
    bin_width = (max_val - min_val) / num_bins;
    input_counter.resize(num_bins);
    out_values.resize(num_bins);
    stepsToWait = 0;
    return 0;
}

int OnlineHistogramGenerator::advance( AdvanceInfo const& ai)
{
          
    if (!stepsToWait) {                 
        std::transform(input_counter.begin(), input_counter.end(), out_values.begin(), std::bind2nd(std::divides<double>(), (double)n_input_ports));        
        std::fill(input_counter.begin(), input_counter.end(), 0u);
        stepsToWait = sampling_time;
    }
    stepsToWait--;
    return 0;
}

double OnlineHistogramGenerator::getAnalogOutput(analog_port_id_t port) const
{
    return out_values[port];
}

void OnlineHistogramGenerator::setAnalogInput(double value, analog_port_id_t port)
{
    if (!stepsToWait) {
        int bin_id = int((value - min_val) / bin_width) ;
        if (bin_id < 0)
            bin_id = 0;
        if ((unsigned)bin_id >= num_bins)
            bin_id = num_bins - 1;        
        input_counter[bin_id]++;
    }
}

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