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Version 4.2.0

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This commit is contained in:
Gary Scavone
2009-03-24 23:02:14 -04:00
committed by Stephen Sinclair
parent cf06b7598b
commit a6381b9d38
281 changed files with 17152 additions and 12000 deletions
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73
src/PoleZero.cpp
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@@ -8,7 +8,7 @@
filter with a given coefficient. Another
method is provided to create a DC blocking filter.
by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
*/
/***************************************************/
@@ -17,9 +17,11 @@
PoleZero :: PoleZero() : Filter()
{
// Default setting for pass-through.
MY_FLOAT B[2] = {1.0, 0.0};
MY_FLOAT A[2] = {1.0, 0.0};
Filter::setCoefficients( 2, B, 2, A );
std::vector<StkFloat> b(2, 0.0);
std::vector<StkFloat> a(2, 0.0);
b[0] = 1.0;
a[0] = 1.0;
Filter::setCoefficients( b, a );
}
PoleZero :: ~PoleZero()
@@ -31,67 +33,68 @@ void PoleZero :: clear(void)
Filter::clear();
}
void PoleZero :: setB0(MY_FLOAT b0)
void PoleZero :: setB0(StkFloat b0)
{
b[0] = b0;
b_[0] = b0;
}
void PoleZero :: setB1(MY_FLOAT b1)
void PoleZero :: setB1(StkFloat b1)
{
b[1] = b1;
b_[1] = b1;
}
void PoleZero :: setA1(MY_FLOAT a1)
void PoleZero :: setA1(StkFloat a1)
{
a[1] = a1;
a_[1] = a1;
}
void PoleZero :: setAllpass(MY_FLOAT coefficient)
void PoleZero :: setAllpass(StkFloat coefficient)
{
b[0] = coefficient;
b[1] = 1.0;
a[0] = 1.0; // just in case
a[1] = coefficient;
b_[0] = coefficient;
b_[1] = 1.0;
a_[0] = 1.0; // just in case
a_[1] = coefficient;
}
void PoleZero :: setBlockZero(MY_FLOAT thePole)
void PoleZero :: setBlockZero(StkFloat thePole)
{
b[0] = 1.0;
b[1] = -1.0;
a[0] = 1.0; // just in case
a[1] = -thePole;
b_[0] = 1.0;
b_[1] = -1.0;
a_[0] = 1.0; // just in case
a_[1] = -thePole;
}
void PoleZero :: setGain(MY_FLOAT theGain)
void PoleZero :: setGain(StkFloat gain)
{
Filter::setGain(theGain);
Filter::setGain(gain);
}
MY_FLOAT PoleZero :: getGain(void) const
StkFloat PoleZero :: getGain(void) const
{
return Filter::getGain();
}
MY_FLOAT PoleZero :: lastOut(void) const
StkFloat PoleZero :: lastOut(void) const
{
return Filter::lastOut();
}
MY_FLOAT PoleZero :: tick(MY_FLOAT sample)
StkFloat PoleZero :: tick(StkFloat sample)
{
inputs[0] = gain * sample;
outputs[0] = b[0] * inputs[0] + b[1] * inputs[1] - a[1] * outputs[1];
inputs[1] = inputs[0];
outputs[1] = outputs[0];
inputs_[0] = gain_ * sample;
outputs_[0] = b_[0] * inputs_[0] + b_[1] * inputs_[1] - a_[1] * outputs_[1];
inputs_[1] = inputs_[0];
outputs_[1] = outputs_[0];
return outputs[0];
return outputs_[0];
}
MY_FLOAT *PoleZero :: tick(MY_FLOAT *vector, unsigned int vectorSize)
StkFloat *PoleZero :: tick(StkFloat *vector, unsigned int vectorSize)
{
for (unsigned int i=0; i<vectorSize; i++)
vector[i] = tick(vector[i]);
return vector;
return Filter::tick( vector, vectorSize );
}
StkFrames& PoleZero :: tick( StkFrames& frames, unsigned int channel )
{
return Filter::tick( frames, channel );
}