Fixed depth=4. Removed apmask from bpd and osd.

lib/ft8/bpdecode174.f90

@@ -1,9 +1,9 @@
-subroutine bpdecode174(llr,apmask,maxiterations,decoded,cw,nharderror,iter)
+subroutine bpdecode174(llr,maxiterations,decoded,cw,nharderror,iter)
 !
 ! A log-domain belief propagation decoder for the (174,87) code.
 !
 integer, parameter:: N=174, K=87, M=N-K
-integer*1 codeword(N),cw(N),apmask(N)
+integer*1 codeword(N),cw(N)
 integer  colorder(N)
 integer*1 decoded(K)
 integer Nm(7,M)  ! 5, 6, or 7 bits per check 
@@ -323,11 +323,7 @@ do iter=0,maxiterations
 
 ! Update bit log likelihood ratios (tov=0 in iteration 0).
   do i=1,N
-    if( apmask(i) .ne. 1 ) then
     zn(i)=llr(i)+sum(tov(1:ncw,i))
-    else
-      zn(i)=llr(i)
-    endif
   enddo
 
 ! Check to see if we have a codeword (check before we do any iteration).

lib/ft8/osd174.f90

@@ -1,10 +1,9 @@
-subroutine osd174(llr,apmask,ndeep,decoded,cw,nhardmin,dmin)
+subroutine osd174(llr,ndeep,decoded,cw,nhardmin,dmin)
 !
 ! An ordered-statistics decoder for the (174,87) code.
 ! 
 include "ldpc_174_87_params.f90"
 
-integer*1 apmask(N),apmaskr(N)
 integer*1 gen(K,N)
 integer*1 genmrb(K,N),g2(N,K)
 integer*1 temp(K),m0(K),me(K),mi(K),misub(K),e2sub(N-K),e2(N-K),ui(N-K)
@@ -37,7 +36,6 @@ endif
 
 ! Re-order received vector to place systematic msg bits at the end.
 rx=llr(colorder+1) 
-apmaskr=apmask(colorder+1)
 
 ! Hard decisions on the received word.
 hdec=0            
@@ -90,7 +88,6 @@ hdec=hdec(indices)   ! hard decisions from received symbols
 m0=hdec(1:K)         ! zero'th order message
 absrx=absrx(indices) 
 rx=rx(indices)       
-apmaskr=apmaskr(indices)
 
 call mrbencode(m0,c0,g2,N,K)
 nxor=ieor(c0,hdec)
@@ -151,7 +148,6 @@ do iorder=1,nord
       do n1=iflag,iend,-1
          mi=misub
          mi(n1)=1
-         if(any(iand(apmaskr(1:K),mi).eq.1)) cycle
          ntotal=ntotal+1
          me=ieor(m0,mi)
          if(n1.eq.iflag) then
@@ -222,7 +218,7 @@ if(npre2.eq.1) then
                mi=misub               
                mi(in1)=1
                mi(in2)=1
-               if(sum(mi).lt.nord+npre1+npre2.or.any(iand(apmaskr(1:K),mi).eq.1)) cycle
+               if(sum(mi).lt.nord+npre1+npre2) cycle
                me=ieor(m0,mi)
                call mrbencode(me,ce,g2,N,K)
                nxor=ieor(ce,hdec)

lib/js8/js8dec.f90

@@ -22,7 +22,7 @@ subroutine js8dec(dd0,icos,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly
   real llr(3*ND),llra(3*ND),llr0(3*ND),llr1(3*ND),llrap(3*ND)           !Soft symbols
   real dd0(NMAX)
   integer icos
-  integer*1 decoded(KK),decoded0(KK),apmask(3*ND),cw(3*ND)
+  integer*1 decoded(KK),decoded0(KK),cw(3*ND)
   integer*1 msgbits(KK)
   integer apsym(KK)
   integer mcq(28),mde(28),mrrr(16),m73(16),mrr73(16)
@@ -359,63 +359,13 @@ subroutine js8dec(dd0,icos,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly
      if(ipass.eq.3) llr(1:24)=0. 
      if(ipass.eq.4) llr(1:48)=0. 
      if(ipass.le.4) then
-        apmask=0
         llrap=llr
         iaptype=0
      endif
         
-     !if(ipass .gt. 4) then
-     !   if(.not.lapcqonly) then
-     !      iaptype=naptypes(nQSOProgress,ipass-4)
-     !   else
-     !      iaptype=1
-     !   endif
-     !   if(iaptype.ge.3 .and. (abs(f1-nfqso).gt.napwid .and. abs(f1-nftx).gt.napwid) ) cycle 
-     !   if(iaptype.eq.1 .or. iaptype.eq.2 ) then ! AP,???,??? 
-     !      apmask=0
-     !      apmask(88:115)=1    ! first 28 bits are AP
-     !      apmask(144)=1       ! not free text
-     !      llrap=llr
-     !      if(iaptype.eq.1) llrap(88:115)=apmag*mcq
-     !      if(iaptype.eq.2) llrap(88:115)=apmag*apsym(1:28)
-     !      llrap(116:117)=llra(116:117)  
-     !      llrap(142:143)=llra(142:143)
-     !      llrap(144)=-apmag
-     !   endif
-     !   if(iaptype.eq.3) then   ! mycall, dxcall, ???
-     !      apmask=0
-     !      apmask(88:115)=1   ! mycall
-     !      apmask(116:143)=1  ! hiscall
-     !      apmask(144)=1      ! not free text
-     !      llrap=llr
-     !      llrap(88:143)=apmag*apsym(1:56)
-     !      llrap(144)=-apmag
-     !   endif
-     !   if(iaptype.eq.4 .or. iaptype.eq.5 .or. iaptype.eq.6) then  
-     !      apmask=0
-     !      apmask(88:115)=1   ! mycall
-     !      apmask(116:143)=1  ! hiscall
-     !      apmask(144:159)=1  ! RRR or 73 or RR73
-     !      llrap=llr
-     !      llrap(88:143)=apmag*apsym(1:56)
-     !      if(iaptype.eq.4) llrap(144:159)=apmag*mrrr 
-     !      if(iaptype.eq.5) llrap(144:159)=apmag*m73 
-     !      if(iaptype.eq.6) llrap(144:159)=apmag*mrr73 
-     !   endif
-     !   if(iaptype.eq.7) then   ! ???, dxcall, ???
-     !      apmask=0
-     !      apmask(116:143)=1  ! hiscall
-     !      apmask(144)=1      ! not free text
-     !      llrap=llr
-     !      llrap(115)=llra(115)
-     !      llrap(116:143)=apmag*apsym(29:56)
-     !      llrap(144)=-apmag
-     !   endif
-     !endif
-
      cw=0
      call timer('bpd174  ',0)
-     call bpdecode174(llrap,apmask,max_iterations,decoded,cw,nharderrors,  &
+     call bpdecode174(llrap,max_iterations,decoded,cw,nharderrors,  &
           niterations)
      call timer('bpd174  ',1)
 
@@ -425,7 +375,7 @@ subroutine js8dec(dd0,icos,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly
      endif
 
      dmin=0.0
-     if(ndepth.eq.3 .and. nharderrors.lt.0) then
+     if(ndepth.ge.3 .and. nharderrors.lt.0) then
         ndeep=3
         if(abs(nfqso-f1).le.napwid .or. abs(nftx-f1).le.napwid) then
           if((ipass.eq.3 .or. ipass.eq.4) .and. .not.nagain) then
@@ -436,7 +386,7 @@ subroutine js8dec(dd0,icos,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly
         endif
         if(nagain) ndeep=5
         call timer('osd174  ',0)
-        call osd174(llrap,apmask,ndeep,decoded,cw,nharderrors,dmin)
+        call osd174(llrap,ndeep,decoded,cw,nharderrors,dmin)
         call timer('osd174  ',1)
      endif
      nbadcrc=1

lib/js8a_decode.f90

@@ -69,8 +69,11 @@ contains
     ! ndepth=1: no subtraction, 1 pass, belief propagation only
     ! ndepth=2: subtraction, 3 passes, belief propagation only
     ! ndepth=3: subtraction, 3 passes, bp+osd
+    ! ndepth=4: subtraction, 4 passes, bp+osd
     if(ndepth.eq.1) npass=1
-    if(ndepth.ge.2) npass=3
+    if(ndepth.eq.2) npass=3
+    if(ndepth.ge.3) npass=4
+
     do ipass=1,npass
       newdat=.true.  ! Is this a problem? I hijacked newdat.
       syncmin=ASYNCMIN

lib/js8b_decode.f90

@@ -69,8 +69,11 @@ contains
     ! ndepth=1: no subtraction, 1 pass, belief propagation only
     ! ndepth=2: subtraction, 3 passes, belief propagation only
     ! ndepth=3: subtraction, 3 passes, bp+osd
+    ! ndepth=4: subtraction, 4 passes, bp+osd
     if(ndepth.eq.1) npass=1
-    if(ndepth.ge.2) npass=3
+    if(ndepth.eq.2) npass=3
+    if(ndepth.ge.3) npass=4
+
     do ipass=1,npass
       newdat=.true.  ! Is this a problem? I hijacked newdat.
       syncmin=ASYNCMIN

lib/js8c_decode.f90

@@ -69,8 +69,11 @@ contains
     ! ndepth=1: no subtraction, 1 pass, belief propagation only
     ! ndepth=2: subtraction, 3 passes, belief propagation only
     ! ndepth=3: subtraction, 3 passes, bp+osd
+    ! ndepth=4: subtraction, 4 passes, bp+osd
     if(ndepth.eq.1) npass=1
-    if(ndepth.ge.2) npass=3
+    if(ndepth.eq.2) npass=3
+    if(ndepth.ge.3) npass=4
+
     do ipass=1,npass
       newdat=.true.  ! Is this a problem? I hijacked newdat.
       syncmin=ASYNCMIN

lib/js8e_decode.f90

@@ -69,8 +69,11 @@ contains
     ! ndepth=1: no subtraction, 1 pass, belief propagation only
     ! ndepth=2: subtraction, 3 passes, belief propagation only
     ! ndepth=3: subtraction, 3 passes, bp+osd
+    ! ndepth=4: subtraction, 4 passes, bp+osd
     if(ndepth.eq.1) npass=1
-    if(ndepth.ge.2) npass=3
+    if(ndepth.eq.2) npass=3
+    if(ndepth.ge.3) npass=4
+
     do ipass=1,npass
       newdat=.true.  ! Is this a problem? I hijacked newdat.
       syncmin=ASYNCMIN

lib/js8i_decode.f90

@@ -69,8 +69,11 @@ contains
    ! ndepth=1: no subtraction, 1 pass, belief propagation only
    ! ndepth=2: subtraction, 3 passes, belief propagation only
    ! ndepth=3: subtraction, 3 passes, bp+osd
+   ! ndepth=4: subtraction, 4 passes, bp+osd
     if(ndepth.eq.1) npass=1
-    if(ndepth.ge.2) npass=3
+    if(ndepth.eq.2) npass=3
+    if(ndepth.ge.3) npass=4
+
     do ipass=1,npass
       newdat=.true.  ! Is this a problem? I hijacked newdat.
       syncmin=ASYNCMIN