From 11a41393502ffc8ea98bac747083a3aa4b060684 Mon Sep 17 00:00:00 2001
From: Bill Somerville <g4wjs@classdesign.com>
Date: Sun, 2 Jul 2017 15:05:17 +0000
Subject: [PATCH] Fix complex buffer size for real to complex DFT

This fixes a memory corruption issue.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7776 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 lib/fsk4hf/ft8b.f90 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/fsk4hf/ft8b.f90 b/lib/fsk4hf/ft8b.f90
index a9c307a14..8c5401fba 100644
--- a/lib/fsk4hf/ft8b.f90
+++ b/lib/fsk4hf/ft8b.f90
@@ -195,14 +195,14 @@ subroutine ft8_downsample(dd,f0,c1)
 
   parameter (NMAX=15*12000,NFFT2=2812)
   complex c1(0:NFFT2-1)
-  complex cx(0:NMAX/2-1)
+  complex cx(0:NMAX/2)
   real dd(NMAX),x(NMAX)
   equivalence (x,cx)
   save x
 
   df=12000.0/NMAX
   x=dd
-  call four2a(x,NMAX,1,-1,0)             !r2c FFT to freq domain
+  call four2a(cx,NMAX,1,-1,0)             !r2c FFT to freq domain
   baud=12000.0/(32.0*64.0)
   i0=nint(f0/df)
   ft=f0+8.0*baud