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ldpc encoder bit endian (MSB->LSB) for 3GPP compliance

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This commit is contained in:
Raymond Knopp
2019-10-09 21:44:08 +02:00
parent cbb9464bac
commit 2daf95a027
1 changed files with 4 additions and 4 deletions
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openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c
+4 -4
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@@ -273,7 +273,7 @@ int ldpc_encoder_optim(unsigned char *test_input,unsigned char *channel_input,sh
if(tinput != NULL) start_meas(tinput); if(tinput != NULL) start_meas(tinput);
for (i=0; i<block_length; i++) { for (i=0; i<block_length; i++) {
c[i] = (test_input[i/8]&(1<<(i&7)))>>(i&7); c[i] = (test_input[i/8]&(128>>(i&7)))>>(i&7);
//printf("c(%d,%d)=%d\n",j,i,temp); //printf("c(%d,%d)=%d\n",j,i,temp);
} }
@@ -431,7 +431,7 @@ int ldpc_encoder_optim_8seg(unsigned char **test_input,unsigned char **channel_i
for (i=(block_length>>5)<<5;i<block_length;i++) { for (i=(block_length>>5)<<5;i<block_length;i++) {
for (j=0; j<n_segments; j++) { for (j=0; j<n_segments; j++) {
temp = (test_input[j][i/8]&(1<<(i&7)))>>(i&7); temp = (test_input[j][i/8]&(128>>(i&7)))>>(i&7);
//printf("c(%d,%d)=%d\n",j,i,temp); //printf("c(%d,%d)=%d\n",j,i,temp);
c[i] |= (temp << j); c[i] |= (temp << j);
} }
@@ -537,7 +537,7 @@ int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **cha
#ifdef __AVX2__ #ifdef __AVX2__
__m256i shufmask = _mm256_set_epi64x(0x0303030303030303, 0x0202020202020202,0x0101010101010101, 0x0000000000000000); __m256i shufmask = _mm256_set_epi64x(0x0303030303030303, 0x0202020202020202,0x0101010101010101, 0x0000000000000000);
__m256i andmask = _mm256_set1_epi64x(0x8040201008040201); // every 8 bits -> 8 bytes, pattern repeats. __m256i andmask = _mm256_set1_epi64x(0x0102040810204080); // every 8 bits -> 8 bytes, pattern repeats.
__m256i zero256 = _mm256_setzero_si256(); __m256i zero256 = _mm256_setzero_si256();
__m256i masks[8]; __m256i masks[8];
register __m256i c256; register __m256i c256;
@@ -639,7 +639,7 @@ int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **cha
//for (j=0; j<n_segments; j++) { //for (j=0; j<n_segments; j++) {
for (j=macro_segment; j < macro_segment_end; j++) { for (j=macro_segment; j < macro_segment_end; j++) {
temp = (test_input[j][i/8]&(1<<(i&7)))>>(i&7); temp = (test_input[j][i/8]&(128>>(i&7)))>>(i&7);
//printf("c(%d,%d)=%d\n",j,i,temp); //printf("c(%d,%d)=%d\n",j,i,temp);
c[i] |= (temp << (j-macro_segment)); c[i] |= (temp << (j-macro_segment));
} }