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Commit c46615dc authored by Cedric Roux's avatar Cedric Roux
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fix: add cast to int32_t before mul for prach_ifft_tmp

parent 87a019a1
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openair1/PHY/NR_TRANSPORT/nr_prach.c
View file @ c46615dc
...@@ -700,13 +700,13 @@ void rx_nr_prach(PHY_VARS_gNB *gNB, ...@@ -700,13 +700,13 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
idft1024(prachF,prach_ifft_tmp,1); idft1024(prachF,prach_ifft_tmp,1);
// compute energy and accumulate over receive antennas // compute energy and accumulate over receive antennas
for (i=0;i<2048;i++) for (i=0;i<2048;i++)
prach_ifft[i] += (prach_ifft_tmp[i<<1]*prach_ifft_tmp[i<<1] + prach_ifft_tmp[1+(i<<1)]*prach_ifft_tmp[1+(i<<1)])>>10; prach_ifft[i] += ((int32_t)prach_ifft_tmp[i<<1]*(int32_t)prach_ifft_tmp[i<<1] + (int32_t)prach_ifft_tmp[1+(i<<1)]*(int32_t)prach_ifft_tmp[1+(i<<1)])>>10;
} else { } else {
idft256(prachF,prach_ifft_tmp,1); idft256(prachF,prach_ifft_tmp,1);
log2_ifft_size = 8; log2_ifft_size = 8;
// compute energy and accumulate over receive antennas and repetitions for BR // compute energy and accumulate over receive antennas and repetitions for BR
for (i=0;i<256;i++) for (i=0;i<256;i++)
prach_ifft[i] += (prach_ifft_tmp[i<<1]*prach_ifft_tmp[(i<<1)] + prach_ifft_tmp[1+(i<<1)]*prach_ifft_tmp[1+(i<<1)])>>10; prach_ifft[i] += ((int32_t)prach_ifft_tmp[i<<1]*(int32_t)prach_ifft_tmp[(i<<1)] + (int32_t)prach_ifft_tmp[1+(i<<1)]*(int32_t)prach_ifft_tmp[1+(i<<1)])>>10;
} }
if (LOG_DUMPFLAG(PRACH)) { if (LOG_DUMPFLAG(PRACH)) {
......
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