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git-svn-id: http://moon:8086/svn/software/trunk/libsrc/fir@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
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jens
2014-07-19 07:44:42 +00:00
commit 0179c510fe
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fir.h
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+37
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/******************************************************************************/
/* iir.h
/******************************************************************************/
#ifndef FIR_H
#define FIR_H
#define pi 3.1415926535897932384626433832795
#if defined(__cplusplus)
extern "C" {
#endif
/******************************************************************************/
typedef struct _sFIRCoeff
{
float *pB;
float *pX;
}FIRCOEFF;
void Sinc(float *pY, int M, float s, float f, int len);
/******************************************************************************/
void FIRCalcDCRemovalCoeff(struct _sFIRCoeff *pCoeff, int N);
void FIR(struct _sFIRCoeff *pCoeff, float *xn, float *yn, int order, int len);
void FIRInit(struct _sFIRCoeff *pCoeff, float *pB, int order);
void FIRAlloc(struct _sFIRCoeff *pCoeff, int order);
void FIRFree(struct _sFIRCoeff *pCoeff);
/******************************************************************************/
#if defined(__cplusplus)
}
#endif
#endif /* FIR_H */