Fixed floating point exception bug in sch.c

lte/phy/lib/phch/src/sch.c

@@ -132,7 +132,11 @@ static int encode_tb(sch_t *q, harq_t *harq, uint8_t *data, uint8_t *e_bits, uin
   {
   
     uint32_t Gp = nof_e_bits / Qm;
-    uint32_t gamma = Gp%harq->cb_segm.C;
+    
+    uint32_t gamma = Gp;
+    if (harq->cb_segm.C > 0) {
+      gamma = Gp%harq->cb_segm.C;
+    }
     
     if (harq->rv == 0) {
       /* Compute transport block CRC */
@@ -249,11 +253,20 @@ static int decode_tb(sch_t *q, harq_t *harq, float *e_bits, uint8_t *data, uint3
       harq         != NULL)
   {
 
+    if (harq->mcs.tbs == 0 || harq->cb_segm.C == 0) {
+      return LIBLTE_SUCCESS;
+    }
+    
     rp = 0;
     rp = 0;
     wp = 0;
     uint32_t Gp = nof_e_bits / Qm;
-    uint32_t gamma = Gp%harq->cb_segm.C;
+    uint32_t gamma=Gp;
+
+    if (harq->cb_segm.C>0) {
+      gamma = Gp%harq->cb_segm.C;
+    }
+    
     bool early_stop = true;
     for (i = 0; i < harq->cb_segm.C && early_stop; i++) {