1 // Allpass filter declaration
\r
3 // Written by Jezar at Dreampoint, June 2000
\r
4 // http://www.dreampoint.co.uk
\r
5 // This code is public domain
\r
9 #include "denormals.h"
\r
15 void setbuffer(float *buf, int size);
\r
16 inline float process(float inp);
\r
18 void setfeedback(float val);
\r
19 float getfeedback();
\r
28 // Big to inline - but crucial for speed
\r
30 inline float allpass::process(float input)
\r
35 bufout = buffer[bufidx];
\r
36 undenormalise(bufout);
\r
38 output = -input + bufout;
\r
39 buffer[bufidx] = input + (bufout*feedback);
\r
41 if(++bufidx>=bufsize) bufidx = 0;
\r