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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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68
src/OneZero.cpp
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@@ -8,7 +8,7 @@
along the real axis of the z-plane while
maintaining a constant filter gain.
by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
*/
/***************************************************/
@@ -16,24 +16,24 @@
OneZero :: OneZero() : Filter()
{
MY_FLOAT B[2] = {0.5, 0.5};
MY_FLOAT A = 1.0;
Filter::setCoefficients( 2, B, 1, &A );
std::vector<StkFloat> b(2, 0.5);
std::vector<StkFloat> a(1, 1.0);
Filter::setCoefficients( b, a );
}
OneZero :: OneZero(MY_FLOAT theZero) : Filter()
OneZero :: OneZero(StkFloat theZero) : Filter()
{
MY_FLOAT B[2];
MY_FLOAT A = 1.0;
std::vector<StkFloat> b(2);
std::vector<StkFloat> a(1, 1.0);
// Normalize coefficients for unity gain.
if (theZero > 0.0)
B[0] = 1.0 / ((MY_FLOAT) 1.0 + theZero);
b[0] = 1.0 / ((StkFloat) 1.0 + theZero);
else
B[0] = 1.0 / ((MY_FLOAT) 1.0 - theZero);
b[0] = 1.0 / ((StkFloat) 1.0 - theZero);
B[1] = -theZero * B[0];
Filter::setCoefficients( 2, B, 1, &A );
b[1] = -theZero * b[0];
Filter::setCoefficients( b, a );
}
OneZero :: ~OneZero(void)
@@ -45,55 +45,57 @@ void OneZero :: clear(void)
Filter::clear();
}
void OneZero :: setB0(MY_FLOAT b0)
void OneZero :: setB0(StkFloat b0)
{
b[0] = b0;
b_[0] = b0;
}
void OneZero :: setB1(MY_FLOAT b1)
void OneZero :: setB1(StkFloat b1)
{
b[1] = b1;
b_[1] = b1;
}
void OneZero :: setZero(MY_FLOAT theZero)
void OneZero :: setZero(StkFloat theZero)
{
// Normalize coefficients for unity gain.
if (theZero > 0.0)
b[0] = 1.0 / ((MY_FLOAT) 1.0 + theZero);
b_[0] = 1.0 / ((StkFloat) 1.0 + theZero);
else
b[0] = 1.0 / ((MY_FLOAT) 1.0 - theZero);
b_[0] = 1.0 / ((StkFloat) 1.0 - theZero);
b[1] = -theZero * b[0];
b_[1] = -theZero * b_[0];
}
void OneZero :: setGain(MY_FLOAT theGain)
void OneZero :: setGain(StkFloat gain)
{
Filter::setGain(theGain);
Filter::setGain(gain);
}
MY_FLOAT OneZero :: getGain(void) const
StkFloat OneZero :: getGain(void) const
{
return Filter::getGain();
}
MY_FLOAT OneZero :: lastOut(void) const
StkFloat OneZero :: lastOut(void) const
{
return Filter::lastOut();
}
MY_FLOAT OneZero :: tick(MY_FLOAT sample)
StkFloat OneZero :: tick(StkFloat sample)
{
inputs[0] = gain * sample;
outputs[0] = b[1] * inputs[1] + b[0] * inputs[0];
inputs[1] = inputs[0];
inputs_[0] = gain_ * sample;
outputs_[0] = b_[1] * inputs_[1] + b_[0] * inputs_[0];
inputs_[1] = inputs_[0];
return outputs[0];
return outputs_[0];
}
MY_FLOAT *OneZero :: tick(MY_FLOAT *vector, unsigned int vectorSize)
StkFloat *OneZero :: 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& OneZero :: tick( StkFrames& frames, unsigned int channel )
{
return Filter::tick( frames, channel );
}