Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
@@ -0,0 +1,55 @@
+subroutine softsym9f(ss2,ss3,i1SoftSymbols)
+
+! Compute soft symbols and S/N
+
+  real ss2(0:8,85)
+  real ss3(0:7,69)
+  integer*1 i1SoftSymbolsScrambled(207)
+  integer*1 i1SoftSymbols(207)
+
+  ss=0.
+  sig=0.
+  if(ss2(0,1).eq.-999.0) return       !Silence compiler warning
+  do j=1,69
+     smax=0.
+     do i=0,7
+        smax=max(smax,ss3(i,j))
+        ss=ss+ss3(i,j)
+     enddo
+     sig=sig+smax
+     ss=ss-smax
+  enddo
+  ave=ss/(69*7)                       !Baseline
+!  call pctile(ss2,9*85,35,xmed)                       !### better? ###
+  ss3=ss3/ave
+  sig=sig/69.                         !Signal
+
+  m0=3
+  k=0
+  scale=10.0
+  do j=1,69
+     do m=m0-1,0,-1                   !Get bit-wise soft symbols
+        if(m.eq.2) then
+           r1=max(ss3(4,j),ss3(5,j),ss3(6,j),ss3(7,j))
+           r0=max(ss3(0,j),ss3(1,j),ss3(2,j),ss3(3,j))
+        else if(m.eq.1) then
+           r1=max(ss3(2,j),ss3(3,j),ss3(4,j),ss3(5,j))
+           r0=max(ss3(0,j),ss3(1,j),ss3(6,j),ss3(7,j))
+        else
+           r1=max(ss3(1,j),ss3(2,j),ss3(4,j),ss3(7,j))
+           r0=max(ss3(0,j),ss3(3,j),ss3(5,j),ss3(6,j))
+        endif
+
+        k=k+1
+        i4=nint(scale*(r1-r0))
+        if(i4.lt.-127) i4=-127
+        if(i4.gt.127) i4=127
+        i1SoftSymbolsScrambled(k)=i4
+     enddo
+  enddo
+
+
+  call interleave9(i1SoftSymbolsScrambled,-1,i1SoftSymbols)
+
+  return
+end subroutine softsym9f