X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src%2Fpjrec.cpp;fp=src%2Fpjrec.cpp;h=c64f6ae849c958e6e228e0907550d80099f4607a;hb=6435258bbafabf9a4ce4445edfd97f771318eb6d;hp=c22b472eb7212d69d9c57439d9d0ec050d478e76;hpb=a2a9671aff06827cec6d6b80234b90128d337e40;p=ctsim.git

diff --git a/src/pjrec.cpp b/src/pjrec.cpp
index c22b472..c64f6ae 100644
--- a/src/pjrec.cpp
+++ b/src/pjrec.cpp
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: pjrec.cpp,v 1.7 2000/07/06 08:30:30 kevin Exp $
+**  $Id: pjrec.cpp,v 1.8 2000/07/06 18:37:24 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
@@ -78,9 +78,11 @@ pjrec_usage (const char *program)
   cout << "  --filter-method  Filter method before backprojections\n";;
   cout << "    convolution      Spatial filtering (default)\n";
   cout << "    fourier          Frequency filtering with discete fourier\n";
+  cout << "    fourier_table    Frequency filtering with table lookup fourier\n";
   cout << "    fft              Fast Fourier Transform\n";
 #if HAVE_FFTW
-  cout << "    fftw             Fast Fourier Transform in the West library\n";
+  cout << "    fftw             Fast Fourier Transform West library\n";
+  cout << "    rfftw            Fast Fourier Transform West (real-mode) library\n";
 #endif
   cout << "  --zeropad n   Set zeropad level (default = 0)\n";
   cout << "                set n to number of powers to two to pad\n";