From 8fe7d5c5de105159583506d782f5202c7c9c7566 Mon Sep 17 00:00:00 2001
From: Joe Taylor <k1jt@arrl.org>
Date: Wed, 26 Jul 2017 13:44:31 +0000
Subject: [PATCH] Remove obsolete test program.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7956 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 lib/t3.f90 | 76 ------------------------------------------------------
 1 file changed, 76 deletions(-)
 delete mode 100644 lib/t3.f90

diff --git a/lib/t3.f90 b/lib/t3.f90
deleted file mode 100644
index 82050f932..000000000
--- a/lib/t3.f90
+++ /dev/null
@@ -1,76 +0,0 @@
-program t3
-
-  parameter (NBLK=3456,NZ=10*NBLK)
-  real x0(NZ)
-  real x1(NZ)
-
-  twopi=8.0*atan(1.0)
-  dphi=twopi*1000.0/12000.0
-  phi=0.
-  do i=1,NZ
-     phi=phi+dphi
-     x0(i)=sin(phi)
-     if(mod(i,10007).eq.100) x0(i)=2.0
-  enddo
-
-  do j=1,10
-     ib=j*NBLK
-     ia=ib-NBLK+1
-     call filter(x0(ia:ib),x1(ia:ib))
-  enddo
-
-  x1(1:NZ-NBLK)=x1(NBLK+1:NZ)
-  do i=1,NZ-NBLK
-     write(13,1001) i,x0(i),x1(i),x1(i)-x0(i)
-1001 format(i6,3f13.9)
-  enddo
-
-end program t3
-
-subroutine filter(x0,x1)
-
-! Process time-domain data sequentially, optionally using a frequency-domain
-! filter to alter the spectrum.
-
-! NB: uses a sin^2 window with 50% overlap.
-
-  parameter (NFFT=6912,NH=NFFT/2)
-  real x0(0:NH-1)                         !Input samples
-  real x1(0:NH-1)                         !Output samples (delayed by one block)
-  real x0s(0:NH-1)                        !Saved upper half of input samples
-  real x1s(0:NH-1)                        !Saved upper half of output samples
-  real x(0:NFFT-1)                        !Work array
-  real*4 w(0:NFFT-1)                      !Window function
-  real f(0:NH)                            !Filter to be applied
-  real*4 s(0:NH)                          !Average spectrum
-  logical first
-  complex cx(0:NH)                        !Complex frequency-domain work array
-  equivalence (x,cx)
-  data first/.true./
-  save
-
-  if(first) then
-     pi=4.0*atan(1.0)
-     do i=0,NFFT-1
-        ww=sin(i*pi/NFFT)
-        w(i)=ww*ww/NFFT
-     enddo
-     s=0.0
-     f=1.0
-     x0s=0.
-     x1s=0.
-     first=.false.
-  endif
-
-  x(0:NH-1)=x0s                             !Previous 2nd half to new 1st half
-  x(NH:NFFT-1)=x0                           !New 2nd half
-  x0s=x0                                    !Save the new 2nd half
-  x=w*x                                     !Apply window
-  call four2a(x,NFFT,1,-1,0)                !r2c FFT (to frequency domain)
-  cx=f*cx
-  call four2a(cx,NFFT,1,1,-1)               !c2r FFT (back to time domain)
-  x1=x1s + x(0:NH-1)                        !Add previous segment's 2nd half
-  x1s=x(NH:NFFT-1)                          !Save the new 2nd half
-
-  return
-end subroutine filter