firpfb: clarifying filter length requirement in comments
@@ -3526,13 +3526,13 @@ LIQUID_IIRFILTSOS_DEFINE_API(LIQUID_IIRFILTSOS_MANGLE_CCCF,
/* Finite impulse response (FIR) polyphase filter bank (PFB) */ \
typedef struct FIRPFB(_s) * FIRPFB(); \
\
-/* Create firpfb object with _num_filters sub-filter each with */ \
-/* _h_len/_num_filters coefficients */ \
+/* Create firpfb object with _num_filters sub-filters each having */ \
+/* exactly _h_len/_num_filters coefficients */ \
/* from an external array of coefficients */ \
/* _num_filters : number of filters in the bank, _num_filters > 1 */ \
/* _h : coefficients, [size: _h_len x 1] */ \
-/* _h_len : filter length (multiple of _num_filters), */ \
-/* _h_len >= _num_filters */ \
+/* _h_len : complete filter length (where _h_len is a */ \
+/* multiple of _num_filters), _h_len >= _num_filters */ \
FIRPFB() FIRPFB(_create)(unsigned int _num_filters, \
TC * _h, \
unsigned int _h_len); \
@@ -3588,8 +3588,8 @@ FIRPFB() FIRPFB(_create_drnyquist)(int _type, \
/* _q : original firpfb object */ \
/* _num_filters : number of filters in the bank, _num_filters > 1 */ \
/* _h : coefficients, [size: _h_len x 1] */ \
-/* _h_len : filter length (multiple of _num_filters), */ \
-/* _h_len >= _num_filters */ \
+/* _h_len : complete filter length (where _h_len is a */ \
+/* multiple of _num_filters), _h_len >= _num_filters */ \
FIRPFB() FIRPFB(_recreate)(FIRPFB() _q, \
unsigned int _num_filters, \
TC * _h, \
