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template<class T = float, class Coeff = float>
float dsp::onepole< T, Coeff >::freq_gain ( float  freq,
float  sr 
) [inline]

Return the filter's gain at frequency freq

Parameters:
freq Frequency to look up
sr Filter sample rate (used to convert frequency to angular frequency)

Definition at line 174 of file onepole.h.

    {
        freq *= 2.0 * M_PI / sr;
        cfloat z = 1.0 / exp(cfloat(0.0, freq));
        
        return std::abs(h_z(z));
    }


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