mirror of https://github.com/saitohirga/WSJT-X.git
Change demod64a.f and extract.F to *.f90 files, in preparation for ftrsd.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@6398 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
89a297bda8
commit
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@ -62,8 +62,10 @@ set (FSRCS
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decode0.f90
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decode1a.f90
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deep65.f90
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demod64a.f90
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display.f90
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dpol.f90
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extract.f90
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four2a.f90
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ftninit.f90
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ftnquit.f90
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@ -94,10 +96,8 @@ set (FSRCS
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dcoord.f
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decode65b.f
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deg2grid.f
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demod64a.f
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dot.f
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encode65.f
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extract.F
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f77_wisdom.f
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fchisq.f
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fil6521.f
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@ -1,73 +0,0 @@
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subroutine demod64a(s3,nadd,mrsym,mrprob,
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+ mr2sym,mr2prob,ntest,nlow)
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C Demodulate the 64-bin spectra for each of 63 symbols in a frame.
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C Parameters
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C nadd number of spectra already summed
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C mrsym most reliable symbol value
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C mr2sym second most likely symbol value
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C mrprob probability that mrsym was the transmitted value
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C mr2prob probability that mr2sym was the transmitted value
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implicit real*8 (a-h,o-z)
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real*4 s3(64,63)
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real*8 fs(64)
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integer mrsym(63),mrprob(63),mr2sym(63),mr2prob(63)
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common/mrscom/ mrs(63),mrs2(63)
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afac=1.1 * float(nadd)**0.64
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scale=255.999
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C Compute average spectral value
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sum=0.
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do j=1,63
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do i=1,64
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sum=sum+s3(i,j)
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enddo
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enddo
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ave=sum/(64.*63.)
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i1=1 !Silence warning
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i2=1
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C Compute probabilities for most reliable symbol values
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do j=1,63
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s1=-1.e30
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fsum=0.
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do i=1,64
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x=min(afac*s3(i,j)/ave,50.d0)
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fs(i)=exp(x)
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fsum=fsum+fs(i)
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if(s3(i,j).gt.s1) then
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s1=s3(i,j)
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i1=i !Most reliable
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endif
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enddo
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s2=-1.e30
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do i=1,64
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if(i.ne.i1 .and. s3(i,j).gt.s2) then
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s2=s3(i,j)
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i2=i !Second most reliable
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endif
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enddo
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p1=fs(i1)/fsum !Normalized probabilities
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p2=fs(i2)/fsum
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mrsym(j)=i1-1
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mr2sym(j)=i2-1
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mrprob(j)=scale*p1
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mr2prob(j)=scale*p2
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mrs(j)=i1
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mrs2(j)=i2
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enddo
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sum=0.
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nlow=0
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do j=1,63
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sum=sum+mrprob(j)
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if(mrprob(j).le.5) nlow=nlow+1
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enddo
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ntest=sum/63
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return
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end
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@ -0,0 +1,72 @@
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subroutine demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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! Demodulate the 64-bin spectra for each of 63 symbols in a frame.
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! Parameters
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! nadd number of spectra already summed
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! mrsym most reliable symbol value
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! mr2sym second most likely symbol value
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! mrprob probability that mrsym was the transmitted value
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! mr2prob probability that mr2sym was the transmitted value
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implicit real*8 (a-h,o-z)
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real*4 s3(64,63)
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real*8 fs(64)
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integer mrsym(63),mrprob(63),mr2sym(63),mr2prob(63)
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common/mrscom/ mrs(63),mrs2(63)
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afac=1.1 * float(nadd)**0.64
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scale=255.999
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! Compute average spectral value
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sum=0.
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do j=1,63
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do i=1,64
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sum=sum+s3(i,j)
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enddo
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enddo
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ave=sum/(64.*63.)
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i1=1 !Silence warning
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i2=1
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! Compute probabilities for most reliable symbol values
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do j=1,63
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s1=-1.e30
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fsum=0.
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do i=1,64
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x=min(afac*s3(i,j)/ave,50.d0)
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fs(i)=exp(x)
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fsum=fsum+fs(i)
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if(s3(i,j).gt.s1) then
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s1=s3(i,j)
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i1=i !Most reliable
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endif
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enddo
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s2=-1.e30
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do i=1,64
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if(i.ne.i1 .and. s3(i,j).gt.s2) then
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s2=s3(i,j)
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i2=i !Second most reliable
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endif
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enddo
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p1=fs(i1)/fsum !Normalized probabilities
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p2=fs(i2)/fsum
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mrsym(j)=i1-1
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mr2sym(j)=i2-1
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mrprob(j)=scale*p1
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mr2prob(j)=scale*p2
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mrs(j)=i1
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mrs2(j)=i2
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enddo
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sum=0.
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nlow=0
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do j=1,63
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sum=sum+mrprob(j)
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if(mrprob(j).le.5) nlow=nlow+1
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enddo
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ntest=sum/63
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return
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end subroutine demod64a
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109
libm65/extract.F
109
libm65/extract.F
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@ -1,109 +0,0 @@
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subroutine extract(s3,nadd,ncount,nhist,decoded,ltext)
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real s3(64,63)
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real tmp(4032)
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character decoded*22
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integer era(51),dat4(12),indx(64)
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integer mrsym(63),mr2sym(63),mrprob(63),mr2prob(63)
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logical first,ltext
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data first/.true./,nsec1/0/
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save
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nfail=0
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1 continue
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! call timer('demod64a',0)
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call demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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! call timer('demod64a',1)
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if(ntest.lt.50 .or. nlow.gt.20) then
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ncount=-999 !Flag bad data
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go to 900
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endif
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call chkhist(mrsym,nhist,ipk)
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if(nhist.ge.20) then
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nfail=nfail+1
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call pctile(s3,tmp,4032,50,base) ! ### or, use ave from demod64a
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do j=1,63
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s3(ipk,j)=base
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enddo
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if(nfail.gt.30) then
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decoded=' '
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ncount=-1
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go to 900
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endif
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go to 1
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endif
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call graycode(mrsym,63,-1)
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call interleave63(mrsym,-1)
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call interleave63(mrprob,-1)
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ndec=1
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nemax=30 !Was 200 (30)
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maxe=8
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xlambda=13.0 !Was 12
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if(ndec.eq.1) then
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call graycode(mr2sym,63,-1)
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call interleave63(mr2sym,-1)
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call interleave63(mr2prob,-1)
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nsec1=nsec1+1
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write(22,rec=1) nsec1,xlambda,maxe,200,
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+ mrsym,mrprob,mr2sym,mr2prob
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call flush(22)
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! call timer('kvasd ',0)
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#ifdef UNIX
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iret=system('./kvasd -q > dev_null')
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#else
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iret=system('kvasd -q > dev_null')
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#endif
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! call timer('kvasd ',1)
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if(iret.ne.0) then
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if(first) write(*,1000) iret
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1000 format('Error in KV decoder, or no KV decoder present.'/
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+ 'Return code:',i8,'. Will use BM algorithm.')
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ndec=0
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first=.false.
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go to 20
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endif
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read(22,rec=2) nsec2,ncount,dat4
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j=nsec2 !Silence compiler warning
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decoded=' '
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ltext=.false.
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded) !Unpack the user message
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if(iand(dat4(10),8).ne.0) ltext=.true.
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do i=2,12
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if(dat4(i).ne.dat4(1)) go to 20
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enddo
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write(13,*) 'Bad decode?',nhist,nfail,ipk,
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+ ' ',dat4,decoded
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ncount=-1 !Suppress supposedly bogus decodes
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decoded=' '
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endif
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endif
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20 if(ndec.eq.0) then
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call indexx(63,mrprob,indx)
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do i=1,nemax
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j=indx(i)
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if(mrprob(j).gt.120) then
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ne2=i-1
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go to 2
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endif
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era(i)=j-1
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enddo
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ne2=nemax
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2 decoded=' '
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do nerase=0,ne2,2
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call rs_decode(mrsym,era,nerase,dat4,ncount)
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded)
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go to 900
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endif
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enddo
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endif
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900 return
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end
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@ -0,0 +1,107 @@
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subroutine extract(s3,nadd,ncount,nhist,decoded,ltext)
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real s3(64,63)
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real tmp(4032)
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character decoded*22
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integer era(51),dat4(12),indx(64)
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integer mrsym(63),mr2sym(63),mrprob(63),mr2prob(63)
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logical first,ltext
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data first/.true./,nsec1/0/
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save
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nfail=0
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1 continue
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! call timer('demod64a',0)
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call demod64a(s3,nadd,mrsym,mrprob,mr2sym,mr2prob,ntest,nlow)
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! call timer('demod64a',1)
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if(ntest.lt.50 .or. nlow.gt.20) then
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ncount=-999 !Flag bad data
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go to 900
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endif
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call chkhist(mrsym,nhist,ipk)
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if(nhist.ge.20) then
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nfail=nfail+1
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call pctile(s3,tmp,4032,50,base) ! ### or, use ave from demod64a
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do j=1,63
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s3(ipk,j)=base
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enddo
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if(nfail.gt.30) then
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decoded=' '
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ncount=-1
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go to 900
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endif
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go to 1
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endif
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call graycode(mrsym,63,-1)
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call interleave63(mrsym,-1)
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call interleave63(mrprob,-1)
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ndec=1
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nemax=30 !Was 200 (30)
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maxe=8
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xlambda=13.0 !Was 12
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if(ndec.eq.1) then
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call graycode(mr2sym,63,-1)
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call interleave63(mr2sym,-1)
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call interleave63(mr2prob,-1)
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nsec1=nsec1+1
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write(22,rec=1) nsec1,xlambda,maxe,200,mrsym,mrprob,mr2sym,mr2prob
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call flush(22)
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! call timer('kvasd ',0)
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!#ifdef UNIX
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! iret=system('./kvasd -q > dev_null')
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!#else
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iret=system('kvasd -q > dev_null')
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!#endif
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! call timer('kvasd ',1)
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if(iret.ne.0) then
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if(first) write(*,1000) iret
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1000 format('Error in KV decoder, or no KV decoder present.'/ &
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'Return code:',i8,'. Will use BM algorithm.')
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ndec=0
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first=.false.
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go to 20
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endif
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read(22,rec=2) nsec2,ncount,dat4
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j=nsec2 !Silence compiler warning
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decoded=' '
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ltext=.false.
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded) !Unpack the user message
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if(iand(dat4(10),8).ne.0) ltext=.true.
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do i=2,12
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if(dat4(i).ne.dat4(1)) go to 20
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enddo
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write(13,*) 'Bad decode?',nhist,nfail,ipk,' ',dat4,decoded
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ncount=-1 !Suppress supposedly bogus decodes
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decoded=' '
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endif
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endif
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20 if(ndec.eq.0) then
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call indexx(63,mrprob,indx)
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do i=1,nemax
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j=indx(i)
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if(mrprob(j).gt.120) then
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ne2=i-1
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go to 2
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endif
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era(i)=j-1
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enddo
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ne2=nemax
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2 decoded=' '
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do nerase=0,ne2,2
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call rs_decode(mrsym,era,nerase,dat4,ncount)
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if(ncount.ge.0) then
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call unpackmsg(dat4,decoded)
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go to 900
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endif
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enddo
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endif
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900 return
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end subroutine extract
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