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Disallow Q65 decodes with sum(dat4)=0: all 78 bita are zero.

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This commit is contained in:
Joe Taylor 2021-01-05 19:45:00 -05:00
parent f78b6710f4
commit 47c8286db8
1 changed files with 2 additions and 0 deletions
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2
lib/qra/q65/q65_sync.f90
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@ -308,6 +308,7 @@ subroutine q65_dec1(s3,nsubmode,b90ts,codewords,ncw,esnodb,irc,dat4,decoded)
decoded=' ' decoded=' '
call q65_intrinsics_ff(s3,nsubmode,b90ts,nFadingModel,s3prob) call q65_intrinsics_ff(s3,nsubmode,b90ts,nFadingModel,s3prob)
call q65_dec_fullaplist(s3,s3prob,codewords,ncw,esnodb,dat4,plog,irc) call q65_dec_fullaplist(s3,s3prob,codewords,ncw,esnodb,dat4,plog,irc)
if(sum(dat4).le.0) irc=-2
if(irc.ge.0 .and. plog.gt.PLOG_MIN) then if(irc.ge.0 .and. plog.gt.PLOG_MIN) then
write(c77,1000) dat4(1:12),dat4(13)/2 write(c77,1000) dat4(1:12),dat4(13)/2
1000 format(12b6.6,b5.5) 1000 format(12b6.6,b5.5)
@ -332,6 +333,7 @@ subroutine q65_dec2(s3,nsubmode,b90ts,esnodb,irc,dat4,decoded)
decoded=' ' decoded=' '
call q65_intrinsics_ff(s3,nsubmode,b90ts,nFadingModel,s3prob) call q65_intrinsics_ff(s3,nsubmode,b90ts,nFadingModel,s3prob)
call q65_dec(s3,s3prob,APmask,APsymbols,esnodb,dat4,irc) call q65_dec(s3,s3prob,APmask,APsymbols,esnodb,dat4,irc)
if(sum(dat4).le.0) irc=-2
if(irc.ge.0) then if(irc.ge.0) then
write(c77,1000) dat4(1:12),dat4(13)/2 write(c77,1000) dat4(1:12),dat4(13)/2
1000 format(12b6.6,b5.5) 1000 format(12b6.6,b5.5)