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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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33
include/TwoPole.h
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@@ -8,12 +8,12 @@
frequency response while maintaining a nearly
constant filter gain.
by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
*/
/***************************************************/
#if !defined(__TWOPOLE_H)
#define __TWOPOLE_H
#ifndef STK_TWOPOLE_H
#define STK_TWOPOLE_H
#include "Filter.h"
@@ -31,13 +31,13 @@ class TwoPole : protected Filter
void clear(void);
//! Set the b[0] coefficient value.
void setB0(MY_FLOAT b0);
void setB0(StkFloat b0);
//! Set the a[1] coefficient value.
void setA1(MY_FLOAT a1);
void setA1(StkFloat a1);
//! Set the a[2] coefficient value.
void setA2(MY_FLOAT a2);
void setA2(StkFloat a2);
//! Sets the filter coefficients for a resonance at \e frequency (in Hz).
/*!
@@ -53,26 +53,35 @@ class TwoPole : protected Filter
An unstable filter will result for \e radius >= 1.0. For a better
resonance filter, use a BiQuad filter. \sa BiQuad filter class
*/
void setResonance(MY_FLOAT frequency, MY_FLOAT radius, bool normalize = FALSE);
void setResonance(StkFloat frequency, StkFloat radius, bool normalize = false);
//! Set the filter gain.
/*!
The gain is applied at the filter input and does not affect the
coefficient values. The default gain value is 1.0.
*/
void setGain(MY_FLOAT theGain);
void setGain(StkFloat gain);
//! Return the current filter gain.
MY_FLOAT getGain(void) const;
StkFloat getGain(void) const;
//! Return the last computed output value.
MY_FLOAT lastOut(void) const;
StkFloat lastOut(void) const;
//! Input one sample to the filter and return one output.
MY_FLOAT tick(MY_FLOAT sample);
StkFloat tick(StkFloat sample);
//! Input \e vectorSize samples to the filter and return an equal number of outputs in \e vector.
MY_FLOAT *tick(MY_FLOAT *vector, unsigned int vectorSize);
StkFloat *tick(StkFloat *vector, unsigned int vectorSize);
//! Take a channel of the StkFrames object as inputs to the filter and replace with corresponding outputs.
/*!
The \c channel argument should be one or greater (the first
channel is specified by 1). An StkError will be thrown if the \c
channel argument is zero or it is greater than the number of
channels in the StkFrames object.
*/
StkFrames& tick( StkFrames& frames, unsigned int channel = 1 );
};
#endif