diff options
Diffstat (limited to 'libaf/filter.h')
| -rw-r--r-- | libaf/filter.h | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/libaf/filter.h b/libaf/filter.h index a9ddbaa610..089f707d3b 100644 --- a/libaf/filter.h +++ b/libaf/filter.h @@ -44,18 +44,28 @@ #define ODD 0x00000010 // Make filter HP // Exported functions -extern _ftype_t af_filter_fir(unsigned int n, _ftype_t* w, _ftype_t* x); +extern FLOAT_TYPE af_filter_fir(unsigned int n, FLOAT_TYPE* w, FLOAT_TYPE* x); -extern _ftype_t* af_filter_pfir(unsigned int n, unsigned int k, unsigned int xi, _ftype_t** w, _ftype_t** x, _ftype_t* y, unsigned int s); +extern FLOAT_TYPE* af_filter_pfir(unsigned int n, unsigned int k, + unsigned int xi, FLOAT_TYPE** w, + FLOAT_TYPE** x, FLOAT_TYPE* y, + unsigned int s); -//extern int af_filter_updateq(unsigned int n, unsigned int xi, _ftype_t* xq, _ftype_t* in); -extern int af_filter_updatepq(unsigned int n, unsigned int k, unsigned int xi, _ftype_t** xq, _ftype_t* in, unsigned int s); +//extern int af_filter_updateq(unsigned int n, unsigned int xi, +// FLOAT_TYPE* xq, FLOAT_TYPE* in); +extern int af_filter_updatepq(unsigned int n, unsigned int k, unsigned int xi, + FLOAT_TYPE** xq, FLOAT_TYPE* in, unsigned int s); -extern int af_filter_design_fir(unsigned int n, _ftype_t* w, _ftype_t* fc, unsigned int flags, _ftype_t opt); +extern int af_filter_design_fir(unsigned int n, FLOAT_TYPE* w, FLOAT_TYPE* fc, + unsigned int flags, FLOAT_TYPE opt); -extern int af_filter_design_pfir(unsigned int n, unsigned int k, _ftype_t* w, _ftype_t** pw, _ftype_t g, unsigned int flags); +extern int af_filter_design_pfir(unsigned int n, unsigned int k, FLOAT_TYPE* w, + FLOAT_TYPE** pw, FLOAT_TYPE g, + unsigned int flags); -extern int af_filter_szxform(_ftype_t* a, _ftype_t* b, _ftype_t Q, _ftype_t fc, _ftype_t fs, _ftype_t *k, _ftype_t *coef); +extern int af_filter_szxform(FLOAT_TYPE* a, FLOAT_TYPE* b, FLOAT_TYPE Q, + FLOAT_TYPE fc, FLOAT_TYPE fs, FLOAT_TYPE *k, + FLOAT_TYPE *coef); /* Add new data to circular queue designed to be used with a FIR filter. xq is the circular queue, in pointing at the new sample, xi |