/* FilterFirstOrderLowpass.h */

#ifndef Included_FilterFirstOrderLowpass_h
#define Included_FilterFirstOrderLowpass_h

/* FilterFirstOrderLowpass module depends on */
/* MiscInfo.h */
/* Audit */
/* Debug */
/* Definitions */
/* Memory */
/* FloatingPoint */

struct FirstOrderLowpassRec;
typedef struct FirstOrderLowpassRec FirstOrderLowpassRec;

/* flush free list */
void											FlushCachedFirstOrderLowpassStuff(void);

/* create a new filter record */
FirstOrderLowpassRec*			NewFirstOrderLowpass(void);

/* dispose filter record */
void											DisposeFirstOrderLowpass(FirstOrderLowpassRec* Filter);

/* adjust filter coefficients */
void											SetFirstOrderLowpassCoefficients(FirstOrderLowpassRec* Filter,
														float Cutoff, long SamplingRate);

/* apply filter to a sample value */
float											ApplyFirstOrderLowpass(FirstOrderLowpassRec* Filter, float Xin);

#endif
