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-rw-r--r--editor/specialty/pgmabel.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/editor/specialty/pgmabel.c b/editor/specialty/pgmabel.c
index 5badfd19..3e05be5e 100644
--- a/editor/specialty/pgmabel.c
+++ b/editor/specialty/pgmabel.c
@@ -117,7 +117,7 @@ abel ( float *y, int N, double *adl)
     for (n=0 ; n<N ; n++)
         {
             if (( n>=1 )&&( n<N-1 ))
-	       (*y++) = ((rho[n-1]*0.5+rho[n]+rho[n+1]*0.5)/2.0);/*1D median filter*/
+               (*y++) = ((rho[n-1]*0.5+rho[n]+rho[n+1]*0.5)/2.0);/*1D median filter*/
             else (*y++) = rho[n];
         }
     free(rho);