Silence compiler warnings; reformmat some source code.

lib/ft8/bpdecode174_91.f90

@@ -33,6 +33,7 @@ do j=1,M
 enddo
 
 ncnt=0
+nclast=0
 
 do iter=0,maxiterations
 

lib/jt65_decode.f90

@@ -102,7 +102,7 @@ contains
     if(nsubmode.ge.100) then
 ! This is QRA64 mode
        mode64=2**(nsubmode-100)
-       call qra64a(dd,npts,nutc,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth,   &
+       call qra64a(dd,npts,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth,         &
             emedelay,mycall,hiscall,hisgrid,sync,nsnr,dtx,nfreq,decoded,nft)
        if (associated(this%callback)) then
           ndrift=0

lib/osd128_90.f90

@@ -1,27 +1,27 @@
 subroutine osd128_90(llr,apmask,ndeep,message77,cw,nhardmin,dmin)
-!
-! An ordered-statistics decoder for the (128,90) code.
-! 
-integer, parameter:: N=128, K=90, M=N-K
-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)
-integer*1 r2pat(N-K)
-integer indices(N),nxor(N)
-integer*1 cw(N),ce(N),c0(N),hdec(N)
-integer*1 decoded(K)
-integer*1 message77(77)
-integer indx(N)
-real llr(N),rx(N),absrx(N)
 
-include "ldpc_128_90_generator.f90"
+! Ordered-statistics decoder for the (128,90) code.
 
-logical first,reset
-data first/.true./
-save first,gen
+  integer, parameter:: N=128, K=90, M=N-K
+  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)
+  integer*1 r2pat(N-K)
+  integer indices(N),nxor(N)
+  integer*1 cw(N),ce(N),c0(N),hdec(N)
+  integer*1 decoded(K)
+  integer*1 message77(77)
+  integer indx(N)
+  real llr(N),rx(N),absrx(N)
 
-if( first ) then ! fill the generator matrix
+  include "ldpc_128_90_generator.f90"
+
+  logical first,reset
+  data first/.true./
+  save first,gen
+
+  if( first ) then ! fill the generator matrix
      gen=0
      do i=1,M
         do j=1,23
@@ -37,29 +37,34 @@ if( first ) then ! fill the generator matrix
      do irow=1,K
         gen(irow,irow)=1
      enddo
-first=.false.
-endif
+     first=.false.
+  endif
 
-rx=llr
-apmaskr=apmask
+  rx=llr
+  apmaskr=apmask
+  d1=0.
+  ntheta=0
+  npre1=0
+  npre2=0
+  nt=0
 
 ! Hard decisions on the received word.
-hdec=0            
-where(rx .ge. 0) hdec=1
+  hdec=0            
+  where(rx .ge. 0) hdec=1
 
 ! Use magnitude of received symbols as a measure of reliability.
-absrx=abs(rx) 
-call indexx(absrx,N,indx)  
+  absrx=abs(rx) 
+  call indexx(absrx,N,indx)  
 
-! Re-order the columns of the generator matrix in order of decreasing reliability.
-do i=1,N
+! Re-order columns of generator matrix in order of decreasing reliability.
+  do i=1,N
      genmrb(1:K,i)=gen(1:K,indx(N+1-i))
      indices(i)=indx(N+1-i)
-enddo
+  enddo
 
 ! Do gaussian elimination to create a generator matrix with the most reliable
 ! received bits in positions 1:K in order of decreasing reliability (more or less). 
-do id=1,K ! diagonal element indices 
+  do id=1,K ! diagonal element indices 
      do icol=id,K+20  ! The 20 is ad hoc - beware
         iflag=0
         if( genmrb(id,icol) .eq. 1 ) then
@@ -80,9 +85,9 @@ do id=1,K ! diagonal element indices
            exit
         endif
      enddo
-enddo
+  enddo
 
-g2=transpose(genmrb)
+  g2=transpose(genmrb)
 
 ! The hard decisions for the K MRB bits define the order 0 message, m0. 
 ! Encode m0 using the modified generator matrix to find the "order 0" codeword. 
@@ -90,58 +95,58 @@ g2=transpose(genmrb)
 ! codewords. Return the member of the list that has the smallest Euclidean
 ! distance to the received word. 
 
-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)
+  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 mrbencode90(m0,c0,g2,N,K)
-nxor=ieor(c0,hdec)
-nhardmin=sum(nxor)
-dmin=sum(nxor*absrx)
+  call mrbencode90(m0,c0,g2,N,K)
+  nxor=ieor(c0,hdec)
+  nhardmin=sum(nxor)
+  dmin=sum(nxor*absrx)
 
-cw=c0
-ntotal=0
-nrejected=0
+  cw=c0
+  ntotal=0
+  nrejected=0
 
-if(ndeep.eq.0) goto 998  ! norder=0
-if(ndeep.gt.5) ndeep=5
-if( ndeep.eq. 1) then
+  if(ndeep.eq.0) goto 998  ! norder=0
+  if(ndeep.gt.5) ndeep=5
+  if( ndeep.eq. 1) then
      nord=1
      npre1=0
      npre2=0
      nt=12
      ntheta=3
-elseif(ndeep.eq.2) then
+  elseif(ndeep.eq.2) then
      nord=1
      npre1=1
      npre2=0
      nt=18
      ntheta=4
-elseif(ndeep.eq.3) then
+  elseif(ndeep.eq.3) then
      nord=1
      npre1=1
      npre2=0
      nt=12
      ntheta=4
-elseif(ndeep.eq.4) then
+  elseif(ndeep.eq.4) then
      nord=1
      npre1=1
      npre2=1
      nt=12
      ntheta=4
      ntau=15
-elseif(ndeep.eq.5) then
+  elseif(ndeep.eq.5) then
      nord=1
      npre1=1
      npre2=1
      nt=12
      ntheta=4
      ntau=5
-endif
+  endif
 
-do iorder=1,nord
+  do iorder=1,nord
      misub(1:K-iorder)=0
      misub(K-iorder+1:K)=1
      iflag=K-iorder+1
@@ -189,9 +194,9 @@ do iorder=1,nord
 ! when the last pattern with weight iorder has been generated.
         call nextpat90(misub,k,iorder,iflag)
      enddo
-enddo
+  enddo
 
-if(npre2.eq.1) then
+  if(npre2.eq.1) then
      reset=.true.
      ntotal=0
      do i1=K,1,-1
@@ -240,22 +245,22 @@ if(npre2.eq.1) then
         enddo
         call nextpat90(misub,K,nord,iflag)
      enddo
-endif
+  endif
 
 998 continue
 ! Re-order the codeword to [message bits][parity bits] format. 
-cw(indices)=cw
-hdec(indices)=hdec
-decoded=cw(1:K) 
-call chkcrc13a(decoded,nbadcrc)
-message77=decoded(1:77)
-if(nbadcrc.eq.1) nhardmin=-nhardmin
+  cw(indices)=cw
+  hdec(indices)=hdec
+  decoded=cw(1:K) 
+  call chkcrc13a(decoded,nbadcrc)
+  message77=decoded(1:77)
+  if(nbadcrc.eq.1) nhardmin=-nhardmin
 
-return
+  return
 end subroutine osd128_90
 
 subroutine mrbencode90(me,codeword,g2,N,K)
-integer*1 me(K),codeword(N),g2(N,K)
+  integer*1 me(K),codeword(N),g2(N,K)
 ! fast encoding for low-weight test patterns
   codeword=0
   do i=1,K
@@ -263,7 +268,7 @@ integer*1 me(K),codeword(N),g2(N,K)
         codeword=ieor(codeword,g2(1:N,i))
      endif
   enddo
-return
+  return
 end subroutine mrbencode90
 
 subroutine nextpat90(mi,k,iorder,iflag)
@@ -368,4 +373,3 @@ subroutine fetchit90(reset,e2,ntau,i1,i2)
   lastpat=ipat
   return
 end subroutine fetchit90
- 

lib/qra64a.f90

@@ -1,4 +1,4 @@
-subroutine qra64a(dd,npts,nutc,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth,   &
+subroutine qra64a(dd,npts,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth,   &
      emedelay,mycall_12,hiscall_12,hisgrid_6,sync,nsnr,dtx,nfreq,decoded,nft)
 
   use packjt
@@ -151,8 +151,5 @@ subroutine qra64a(dd,npts,nutc,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth,   &
   endif
   call timer('qra64a  ',1)
 
-!  write(71,3001) nutc,dtx,f0,sync,sync2,width,minsync,decoded
-!3001 format(i4.4,f7.2,4f8.1,i3,2x,a22)
-  
   return
 end subroutine qra64a

lib/qratest.f90

@@ -39,7 +39,7 @@ program qratest
      if(nfqso0.ne.-1) nfqso=nfqso0
      if(ntol0.ne.-1) ntol=ntol0
 
-     call qra64a(dd,npts,nutc,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth,      &
+     call qra64a(dd,npts,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth,      &
           mycall,hiscall,hisgrid,sync,nsnr,dtx,nfreq,decoded,nft)
      c='a'
      if(mode64.eq.2) c='b'