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fix: add cast to int32_t before mul for prach_ifft_tmp

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Cedric Roux
2020-02-17 17:47:10 +01:00
parent 87a019a114
commit c46615dc8d
1 changed files with 2 additions and 2 deletions
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openair1/PHY/NR_TRANSPORT/nr_prach.c
+2 -2
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@@ -700,13 +700,13 @@ void rx_nr_prach(PHY_VARS_gNB *gNB,
idft1024(prachF,prach_ifft_tmp,1);
// compute energy and accumulate over receive antennas
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 {
idft256(prachF,prach_ifft_tmp,1);
log2_ifft_size = 8;
// compute energy and accumulate over receive antennas and repetitions for BR
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)) {