SU2VertexSingleParticle.hpp

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#pragma once
#include <istream>
#include "lib/Assert.hpp"
#include "FrgCommon.hpp"
 
struct SU2VertexSingleParticle
{
public:
    SU2VertexSingleParticle()
    {
        //set size
        size = FrgCommon::frequency().size;
 
        //alloc and init memory
        _data = new float[size];
        for (int i = 0; i < size; ++i) _data[i] = 0.0f;
    }
 
    ~SU2VertexSingleParticle()
    {
        delete[] _data;
    }
 
    void expandIterator(const int iterator, float &w) const
    {
        ASSERT(iterator >= 0 && iterator < size);
 
        w = FrgCommon::frequency()._data[iterator];
    }
 
    float &getValueRef(const int iterator) const
    {
        ASSERT(iterator >= 0 && iterator < size);
 
        return _data[iterator];
    }
 
    float getValue(float w) const
    {
        int lower, upper;
        float bias;
        float sign = 1.0f;
 
        if (w < 0)
        {
            w = -w;
            sign = -1.0f;
        }
 
        FrgCommon::frequency().interpolateOffset(w, lower, upper, bias);
        return sign * ((1 - bias) * _directAccess(lower) + bias * _directAccess(upper));
    }
 
    float &_directAccess(const int wOffset) const
    {
        ASSERT(wOffset >= 0 && wOffset < FrgCommon::frequency().size);
 
        return _data[wOffset];
    }
 
    int size; 
    float *_data; 
};