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c9d027ea91
Unnecessary computation of arc cosine is omitted and convergence is checked on partial results. Original frequency is easily retrieved when needed.
10 lines
231 B
C
10 lines
231 B
C
#ifndef __AVMD_PSI_H__
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#define __AVMD_PSI_H__
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#include "avmd_buffer.h"
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#define PSI(b, i) (GET_SAMPLE((b), ((i) + 1))*GET_SAMPLE((b), ((i) + 1))-GET_SAMPLE((b), ((i) + 2))*GET_SAMPLE((b), ((i) + 0)))
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#endif /* __AVMD_PSI_H__ */
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