From f95bd02866fd0ccd9616eac83ac16a3e7d08ce2a Mon Sep 17 00:00:00 2001
From: Mark Borgerding <mark@borgerding.net>
Date: Tue, 3 Feb 2004 01:13:10 +0000
Subject: [PATCH] cputime=5.940 to cputime=5.840

---
 kiss_fft.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/kiss_fft.c b/kiss_fft.c
index ba54cd4..7f36687 100644
--- a/kiss_fft.c
+++ b/kiss_fft.c
@@ -252,21 +252,24 @@ void kf_work(
 {
     kiss_fft_cpx * Fout_beg=Fout;
     kiss_fft_cpx * Fout_end;
-
     int m,p;
 
     p=*factors++; /* the radix  */
     m=*factors++; /* stage's fft length/p */
     Fout_end = Fout + p*m;
 
-    do{
-        if (m==1)
-            *Fout = *f;
-        else
+    if (m==1) {
+        do{
+            *Fout++ = *f;
+            f += fstride*in_stride;
+        }while(Fout != Fout_end );
+    }else{
+        do{
             kf_work( Fout , f, fstride*p, in_stride, factors,st);
-        Fout += m;
-        f += fstride*in_stride;
-    }while(Fout != Fout_end );
+            f += fstride*in_stride;
+            Fout += m;
+        }while(Fout != Fout_end );
+    }
 
     Fout=Fout_beg;