fix unsigned/signed warning regarding nr_(i)dft

openair1/PHY/NR_TRANSPORT/nr_transport_proto.h

@@ -212,7 +212,7 @@ void nr_ulsch_channel_compensation(int **rxdataF_ext,
 \param z Pointer to input in frequnecy domain, and it is also the output in time domain
 \param Msc_PUSCH number of allocated data subcarriers
 */
-void nr_idft(uint32_t *z, uint32_t Msc_PUSCH);
+void nr_idft(int32_t *z, uint32_t Msc_PUSCH);
 
 /** \brief This function generates log-likelihood ratios (decoder input) for single-stream QPSK received waveforms.
     @param rxdataF_comp Compensated channel output

openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c

@@ -12,7 +12,7 @@
 //#define DEBUG_RB_EXT
 //#define DEBUG_CH_MAG
 
-void nr_idft(uint32_t *z, uint32_t Msc_PUSCH)
+void nr_idft(int32_t *z, uint32_t Msc_PUSCH)
 {
 
 #if defined(__x86_64__) || defined(__i386__)
@@ -38,7 +38,7 @@ void nr_idft(uint32_t *z, uint32_t Msc_PUSCH)
   }
 
   for (i=0,ip=0; i<Msc_PUSCH; i++, ip+=4) {
-    ((uint32_t*)idft_in0)[ip+0] = z[i];
+    ((int32_t*)idft_in0)[ip+0] = z[i];
   }
 
 
@@ -203,7 +203,7 @@ void nr_idft(uint32_t *z, uint32_t Msc_PUSCH)
 
 
   for (i = 0, ip = 0; i < Msc_PUSCH; i++, ip+=4) {
-    z[i] = ((uint32_t*)idft_out0)[ip];
+    z[i] = ((int32_t*)idft_out0)[ip];
   }
 
   // conjugate output
@@ -1232,7 +1232,7 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
       #endif      
       
       // perform IDFT operation on the compensated rxdata if transform precoding is enabled
-      nr_idft(&((uint32_t*)gNB->pusch_vars[ulsch_id]->rxdataF_comp[0])[symbol * nb_re_pusch2], nb_re_pusch);      
+      nr_idft(&gNB->pusch_vars[ulsch_id]->rxdataF_comp[0][symbol * nb_re_pusch2], nb_re_pusch);
       LOG_D(PHY,"Transform precoding being done on data- symbol: %d, nb_re_pusch: %d\n", symbol, nb_re_pusch);      
     }
 

openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h

@@ -181,9 +181,9 @@ typedef struct {
   /// Scrambled "b"-sequences (for definition see 36-211 V8.6 2009-03, p.14)
   uint8_t b_tilde[MAX_NUM_NR_CHANNEL_BITS];
   /// Modulated "d"-sequences (for definition see 36-211 V8.6 2009-03, p.14)
-  uint32_t d_mod[MAX_NUM_NR_RE] __attribute__ ((aligned(16)));
+  int32_t d_mod[MAX_NUM_NR_RE] __attribute__ ((aligned(16)));
   /// Transform-coded "y"-sequences (for definition see 38-211 V15.3.0 2018-09, subsection 6.3.1.4)
-  uint32_t y[MAX_NUM_NR_RE] __attribute__ ((aligned(16)));
+  int32_t y[MAX_NUM_NR_RE] __attribute__ ((aligned(16)));
   /*
   /// "q" sequences for CQI/PMI (for definition see 36-212 V8.6 2009-03, p.27)
   uint8_t q[MAX_CQI_PAYLOAD];

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c

@@ -286,7 +286,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
     }
 
     #ifdef DEBUG_DFT_IDFT
-      uint32_t debug_symbols[MAX_NUM_NR_RE] __attribute__ ((aligned(16)));
+      int32_t debug_symbols[MAX_NUM_NR_RE] __attribute__ ((aligned(16)));
       int offset = 0;
       printf("NR_ULSCH_UE: available_bits: %d, mod_order: %d", available_bits,mod_order);
 
@@ -303,7 +303,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
 
       }
       LOG_M("preDFT_all_symbols.m","UE_preDFT", tx_layers[0],number_of_symbols*nb_re_pusch,1,1);
-      LOG_M("postDFT_all_symbols.m","UE_postDFT", &(ulsch_ue->y[0]),number_of_symbols*nb_re_pusch,1,1);
+      LOG_M("postDFT_all_symbols.m","UE_postDFT", ulsch_ue->y,number_of_symbols*nb_re_pusch,1,1);
       LOG_M("DEBUG_IDFT_SYMBOLS.m","UE_Debug_IDFT", debug_symbols,number_of_symbols*nb_re_pusch,1,1);
       LOG_M("UE_DMRS_SEQ.m","UE_DMRS_SEQ", dmrs_seq,nb_re_pusch,1,1);
     #endif