diff options
Diffstat (limited to 'libaf/filter.h')
| -rw-r--r-- | libaf/filter.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libaf/filter.h b/libaf/filter.h index 089f707d3b..0993f86cce 100644 --- a/libaf/filter.h +++ b/libaf/filter.h @@ -44,26 +44,26 @@ #define ODD 0x00000010 // Make filter HP // Exported functions -extern FLOAT_TYPE af_filter_fir(unsigned int n, FLOAT_TYPE* w, FLOAT_TYPE* x); +extern FLOAT_TYPE af_filter_fir(unsigned int n, const FLOAT_TYPE* w, const FLOAT_TYPE* x); 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 xi, const FLOAT_TYPE** w, + const FLOAT_TYPE** x, FLOAT_TYPE* y, 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); + FLOAT_TYPE** xq, const FLOAT_TYPE* in, unsigned int s); -extern int af_filter_design_fir(unsigned int n, FLOAT_TYPE* w, FLOAT_TYPE* fc, +extern int af_filter_design_fir(unsigned int n, FLOAT_TYPE* w, const FLOAT_TYPE* fc, unsigned int flags, FLOAT_TYPE opt); -extern int af_filter_design_pfir(unsigned int n, unsigned int k, FLOAT_TYPE* w, +extern int af_filter_design_pfir(unsigned int n, unsigned int k, const FLOAT_TYPE* w, FLOAT_TYPE** pw, FLOAT_TYPE g, unsigned int flags); -extern int af_filter_szxform(FLOAT_TYPE* a, FLOAT_TYPE* b, FLOAT_TYPE Q, +extern int af_filter_szxform(const FLOAT_TYPE* a, const FLOAT_TYPE* b, FLOAT_TYPE Q, FLOAT_TYPE fc, FLOAT_TYPE fs, FLOAT_TYPE *k, FLOAT_TYPE *coef); |