C++ (Cpp) toFixedPoint Exemples

Exemple #1

Fichier : Biquad4proc.cpp Projet : james34602/JamesDSPManager

void Biquad4proc::setCoefficients(double a0, double a1, double a2, double b0, double b1, double b2)
{
    int64_t A1 = -toFixedPoint(a1/a0);
    int64_t A2 = -toFixedPoint(a2/a0);
    int64_t B0 = toFixedPoint(b0/a0);
    int64_t B1 = toFixedPoint(b1/a0);
    int64_t B2 = toFixedPoint(b2/a0);
	mA1 = A1;
    mA2 = A2;
    mB0 = B0;
    mB1 = B1;
    mB2 = B2;
}

Exemple #2

Fichier : Biquad.cpp Projet : pavik62/JamesDSPManager

void Biquad::setCoefficients(int32_t steps, double a0, double a1, double a2, double b0, double b1, double b2)
{
    int64_t A1 = -toFixedPoint(a1/a0);
    int64_t A2 = -toFixedPoint(a2/a0);
    int64_t B0 = toFixedPoint(b0/a0);
    int64_t B1 = toFixedPoint(b1/a0);
    int64_t B2 = toFixedPoint(b2/a0);

    if (steps == 0) {
        mA1 = A1;
        mA2 = A2;
        mB0 = B0;
        mB1 = B1;
        mB2 = B2;
        mInterpolationSteps = 0;
    } else {
        mA1dif = (A1 - mA1) / steps;
        mA2dif = (A2 - mA2) / steps;
        mB0dif = (B0 - mB0) / steps;
        mB1dif = (B1 - mB1) / steps;
        mB2dif = (B2 - mB2) / steps;
        mInterpolationSteps = steps;
    }
}