diff options
Diffstat (limited to 'libaf/filter.c')
-rw-r--r-- | libaf/filter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libaf/filter.c b/libaf/filter.c index 4352a34d7c..a637bb6df3 100644 --- a/libaf/filter.c +++ b/libaf/filter.c @@ -274,7 +274,7 @@ int af_filter_design_pfir(unsigned int n, unsigned int k, _ftype_t* w, _ftype_t* Note that a0 is assumed to be 1, so there is no wrapping of it. */ -void af_filter_prewarp(_ftype_t* a, _ftype_t fc, _ftype_t fs) +static void af_filter_prewarp(_ftype_t* a, _ftype_t fc, _ftype_t fs) { _ftype_t wp; wp = 2.0 * fs * tan(M_PI * fc / fs); @@ -310,7 +310,7 @@ void af_filter_prewarp(_ftype_t* a, _ftype_t fc, _ftype_t fs) Return: On return, set coef z-domain coefficients and k to the gain required to maintain overall gain = 1.0; */ -void af_filter_bilinear(_ftype_t* a, _ftype_t* b, _ftype_t* k, _ftype_t fs, _ftype_t *coef) +static void af_filter_bilinear(_ftype_t* a, _ftype_t* b, _ftype_t* k, _ftype_t fs, _ftype_t *coef) { _ftype_t ad, bd; |