Making "is_ptrs_symbol" as a static inline function

openair1/PHY/NR_REFSIG/ptrs_nr.c

@@ -181,28 +181,6 @@ uint8_t is_ptrs_subcarrier(uint16_t k,
   return 0;
 }
 
-/*******************************************************************
-*
-* NAME :         is_ptrs_symbol
-*
-* PARAMETERS : l                      ofdm symbol index within slot
-*              ptrs_symbols           bit mask of ptrs
-*
-* RETURN :       1 if symbol is ptrs, or 0 otherwise
-*
-* DESCRIPTION :  3GPP TS 38.211 6.4.1.2 Phase-tracking reference signal for PUSCH
-*
-*********************************************************************/
-
-uint8_t is_ptrs_symbol(uint8_t l, uint16_t ptrs_symbols)
-{
-
-  if (((ptrs_symbols>>l)&1) == 1)
-    return 1;
-
-  return 0;
-}
-
 /*
 int main(int argc, char const *argv[])
 {

openair1/PHY/NR_REFSIG/ptrs_nr.h

@@ -65,7 +65,20 @@ uint8_t is_ptrs_subcarrier(uint16_t k,
                            uint16_t start_sc,
                            uint16_t ofdm_symbol_size);
 
-uint8_t is_ptrs_symbol(uint8_t l, uint16_t ptrs_symbols);
+/*******************************************************************
+*
+* NAME :         is_ptrs_symbol
+*
+* PARAMETERS : l                      ofdm symbol index within slot
+*              ptrs_symbols           bit mask of ptrs
+*
+* RETURN :       1 if symbol is ptrs, or 0 otherwise
+*
+* DESCRIPTION :  3GPP TS 38.211 6.4.1.2 Phase-tracking reference signal for PUSCH
+*
+*********************************************************************/
+
+static inline uint8_t is_ptrs_symbol(uint8_t l, uint16_t ptrs_symbols) { return ((ptrs_symbols >> l) & 1); }