** This is part of the CTSim program
** Copyright (c) 1983-2001 Kevin Rosenberg
**
-** $Id: backprojectors.h,v 1.19 2001/01/28 19:10:18 kevin Exp $
+** $Id: backprojectors.h,v 1.20 2001/02/09 01:54:20 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
static const int INTERP_INVALID;
static const int INTERP_NEAREST;
static const int INTERP_LINEAR;
+ static const int INTERP_CUBIC;
static const int INTERP_FREQ_PREINTERPOLATION;
#if HAVE_BSPLINE_INTERP
static const int INTERP_BSPLINE;