iirfiltsos: adding descriptive object comment in declaration
@@ -3436,6 +3436,9 @@ LIQUID_IIRFILT_DEFINE_API(LIQUID_IIRFILT_MANGLE_CCCF,
#define LIQUID_IIRFILTSOS_MANGLE_CCCF(name) LIQUID_CONCAT(iirfiltsos_cccf,name)
#define LIQUID_IIRFILTSOS_DEFINE_API(IIRFILTSOS,TO,TC,TI) \
+ \
+/* Infinite impulse respone filter primitive using second-order */ \
+/* sections */ \
typedef struct IIRFILTSOS(_s) * IIRFILTSOS(); \
\
/* create 2nd-order infinite impulse reponse filter */ \
