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1005052A
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1992-06-02
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514b
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17 lines
Listing 3. CircularBuffer and Filter structures
typedef struct {
int index, /* index for next filter output */
mask; /* masking value (length - 1) */
double *buffer;
} CircularBuffer;
typedef struct {
double *coef; /* Filter coefficients */
int order; /* Number of coefficients */
CircularBuffer *y; /* Previous outputs */
} Filter