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Avoid a possible of bounds error. Compute some more decode diagnostic data.

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This commit is contained in:
Steven Franke 2020-12-23 11:45:13 -06:00
parent c6e42549c4
commit b26d29dd1e
1 changed files with 12 additions and 7 deletions
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19
lib/fst4_decode.f90
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@ -59,7 +59,7 @@ contains
integer itone(NN)
integer hmod
integer ipct(0:7)
integer*1 apmask(240),cw(240)
integer*1 apmask(240),cw(240),hdec(240)
integer*1 message101(101),message74(74),message77(77)
integer*1 rvec(77)
integer apbits(240)
@ -392,8 +392,9 @@ contains
if(ijitter.eq.1) ioffset=1
if(ijitter.eq.2) ioffset=-1
is0=isbest+ioffset
if(is0.lt.0) cycle
cframe=c2(is0:is0+160*nss-1)
iend=is0+160*nss-1
if( is0.lt.0 .or. iend.gt.(nfft2-1) ) cycle
cframe=c2(is0:iend)
bitmetrics=0
call timer('bitmetrc',0)
call get_fst4_bitmetrics(cframe,nss,nblock,nhicoh,bitmetrics, &
@ -408,10 +409,10 @@ contains
llrs(181:240,il)=bitmetrics(245:304, il)
enddo
apmag=maxval(abs(llrs(:,1)))*1.1
apmag=maxval(abs(llrs(:,4)))*1.1
ntmax=nblock+nappasses(nQSOProgress)
if(lapcqonly) ntmax=nblock+1
if(ndepth.eq.1) ntmax=nblock
if(ndepth.eq.1) ntmax=nblock ! no ap for ndepth=1
apmask=0
if(iwspr.eq.1) then ! 50-bit msgs, no ap decoding
@ -595,11 +596,15 @@ contains
fsig=fc_synced - 1.5*baud
inquire(file=trim(data_dir)//'/decdata',exist=decdata_exists)
if(decdata_exists) then
hdec=0
where(llrs(:,1).ge.0.0) hdec=1
nhp=count(hdec.ne.cw) ! # hard errors wrt N=1 soft symbols
hd=sum(ieor(hdec,cw)*abs(llrs(:,1))) ! weighted distance wrt N=1 symbols
open(21,file=trim(data_dir)//'/fst4_decodes.dat',status='unknown',position='append')
write(21,3021) nutc,icand,itry,nsyncoh,iaptype, &
ijitter,ntype,Keff,nsync_qual,nharderrors,dmin, &
ijitter,ntype,Keff,nsync_qual,nharderrors,dmin,nhp,hd, &
sync,xsnr,xdt,fsig,w50,trim(msg)
3021 format(i6.6,6i3,3i4,f6.1,f9.2,f6.1,f6.2,f7.1,f7.3,1x,a)
3021 format(i6.6,6i3,3i4,f6.1,i4,f6.1,f9.2,f6.1,f6.2,f7.1,f7.3,1x,a)
close(21)
endif
call this%callback(nutc,smax1,nsnr,xdt,fsig,msg, &