X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=include%2Fbackprojectors.h;h=f19b9043ecd0a1fcafd5e0ce2a404e46cebd54fb;hp=297d8d156f36fce31c101415027716bf2e631cb3;hb=ab4a3ba2c1ba9672136b5022897f81fc55d03493;hpb=861c2186ce387ce809882315a8f26d640f1844fc

diff --git a/include/backprojectors.h b/include/backprojectors.h
index 297d8d1..f19b904 100644
--- a/include/backprojectors.h
+++ b/include/backprojectors.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: backprojectors.h,v 1.9 2000/07/13 07:03:21 kevin Exp $
+**  $Id: backprojectors.h,v 1.10 2000/07/19 04:33:27 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -26,8 +26,14 @@
 ******************************************************************************/
 
 
+#ifndef __BACKPROJECTORS_H
+#define __BACKPROJECTORS_H
+
 #undef HAVE_BSPLINE_INTERP
 
+#include "imagefile.h"
+
+
 class Backproject;
 
 class Backprojector
@@ -202,3 +208,4 @@ class BackprojectIntDiff3 : public BackprojectDiff
 };
 
 
+#endif