hlowpassbiquad.h

#ifndef __HLOWPASSBIQUAD_H
#define __HLOWPASSBIQUAD_H
 
template <class T>
class HLowpassBiQuad : public HBiQuad<T>
{
    public:
 
        HLowpassBiQuad(float fCutOff, float rate, float quality, float gain):
            HBiQuad<T>(fCutOff, rate, quality, gain)
        {}
 
        void Calculate(float omegaC, float omegaS, float alpha, float A, float beta, float *a0, float* a1, float* a2, float* b0, float* b1, float* b2)
        {
            *a0 = 1 + alpha;
            *a1 = -2 * omegaC;
            *a2 = 1 - alpha;
            *b0 = (1 - omegaC) / 2;
            *b1 = 1 - omegaC;
            *b2 = (1 - omegaC) / 2;
        }
 
        float* Calculate()
        {
            return HBiQuad<T>::Calculate();
        }
};
 
#endif