--- a/scripts/statistics/distributions/exponential_pdf.m	Thu Jan 13 08:32:16 2000 +0000
+++ b/scripts/statistics/distributions/exponential_pdf.m	Thu Jan 13 08:40:53 2000 +0000
@@ -1,15 +1,15 @@
 ## Copyright (C) 1995, 1996, 1997  Kurt Hornik
-## 
+##
 ## This program is free software; you can redistribute it and/or modify
 ## it under the terms of the GNU General Public License as published by
 ## the Free Software Foundation; either version 2, or (at your option)
 ## any later version.
-## 
+##
 ## This program is distributed in the hope that it will be useful, but
 ## WITHOUT ANY WARRANTY; without even the implied warranty of
 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-## General Public License for more details. 
-## 
+## General Public License for more details.
+##
 ## You should have received a copy of the GNU General Public License
 ## along with this file.  If not, write to the Free Software Foundation,
 ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
@@ -23,15 +23,15 @@
 ## Description:  PDF of the exponential distribution
 
 function pdf = exponential_pdf (x, l)
-  
+
   if (nargin != 2)
     usage ("exponential_pdf (x, lambda)");
   endif
-  
+
   [retval, x, l] = common_size (x, l);
   if (retval > 0)
     error (["exponential_pdf:  ", ...
-	    "x and lambda must be of common size or scalar"]);
+            "x and lambda must be of common size or scalar"]);
   endif
 
   [r, c] = size (x);
@@ -44,12 +44,12 @@
   if any (k)
     pdf(k) = NaN * ones (1, length (k));
   endif
-  
+
   k = find ((x > 0) & (x < Inf) & (l > 0));
   if any (k)
     pdf(k) = l(k) .* exp (- l(k) .* x(k));
   endif
 
   pdf = reshape (pdf, r, c);
-  
+
 endfunction