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Version 4.4.3

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This commit is contained in:
Gary Scavone
2013-09-29 23:21:29 +02:00
committed by Stephen Sinclair
parent baca57040b
commit 0aec39260a
223 changed files with 26190 additions and 11130 deletions
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15
src/TwoPole.cpp
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@@ -6,7 +6,7 @@
provided for creating a resonance in the frequency response while
maintaining a nearly constant filter gain.
by Perry R. Cook and Gary P. Scavone, 1995 - 2010.
by Perry R. Cook and Gary P. Scavone, 1995-2011.
*/
/***************************************************/
@@ -35,13 +35,24 @@ TwoPole :: ~TwoPole()
void TwoPole :: sampleRateChanged( StkFloat newRate, StkFloat oldRate )
{
if ( !ignoreSampleRateChange_ ) {
errorString_ << "TwoPole::sampleRateChanged: you may need to recompute filter coefficients!";
oStream_ << "TwoPole::sampleRateChanged: you may need to recompute filter coefficients!";
handleError( StkError::WARNING );
}
}
void TwoPole :: setResonance( StkFloat frequency, StkFloat radius, bool normalize )
{
#if defined(_STK_DEBUG_)
if ( frequency < 0.0 || frequency > 0.5 * Stk::sampleRate() ) {
oStream_ << "TwoPole::setResonance: frequency argument (" << frequency << ") is out of range!";
handleError( StkError::WARNING ); return;
}
if ( radius < 0.0 || radius >= 1.0 ) {
oStream_ << "TwoPole::setResonance: radius argument (" << radius << ") is out of range!";
handleError( StkError::WARNING ); return;
}
#endif
a_[2] = radius * radius;
a_[1] = (StkFloat) -2.0 * radius * cos(TWO_PI * frequency / Stk::sampleRate());