From d58f6b51493c7931cbc02feb3ffeb0eca6ea3a4e Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Thu, 5 Jul 2018 16:13:37 +0200
Subject: Refactor a few filter-related functions out of cuda code

---
 include/astra/cuda/2d/astra.h       |  1 -
 include/astra/cuda/2d/fbp.h         |  2 +-
 include/astra/cuda/2d/fbp_filters.h | 61 -------------------------------------
 include/astra/cuda/2d/fft.h         |  8 ++---
 4 files changed, 5 insertions(+), 67 deletions(-)
 delete mode 100644 include/astra/cuda/2d/fbp_filters.h

(limited to 'include/astra/cuda/2d')

diff --git a/include/astra/cuda/2d/astra.h b/include/astra/cuda/2d/astra.h
index 6f0e2f0..a2f2219 100644
--- a/include/astra/cuda/2d/astra.h
+++ b/include/astra/cuda/2d/astra.h
@@ -28,7 +28,6 @@ along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
 #ifndef _CUDA_ASTRA_H
 #define _CUDA_ASTRA_H
 
-#include "fbp_filters.h"
 #include "dims.h"
 #include "algo.h"
 
diff --git a/include/astra/cuda/2d/fbp.h b/include/astra/cuda/2d/fbp.h
index 8666646..7febe69 100644
--- a/include/astra/cuda/2d/fbp.h
+++ b/include/astra/cuda/2d/fbp.h
@@ -26,7 +26,7 @@ along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "algo.h"
-#include "fbp_filters.h"
+#include "astra/Filters.h"
 
 namespace astraCUDA {
 
diff --git a/include/astra/cuda/2d/fbp_filters.h b/include/astra/cuda/2d/fbp_filters.h
deleted file mode 100644
index 7c1121a..0000000
--- a/include/astra/cuda/2d/fbp_filters.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
------------------------------------------------------------------------
-Copyright: 2010-2018, imec Vision Lab, University of Antwerp
-           2014-2018, CWI, Amsterdam
-
-Contact: astra@astra-toolbox.com
-Website: http://www.astra-toolbox.com/
-
-This file is part of the ASTRA Toolbox.
-
-
-The ASTRA Toolbox 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 3 of the License, or
-(at your option) any later version.
-
-The ASTRA Toolbox 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.
-
-You should have received a copy of the GNU General Public License
-along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-
------------------------------------------------------------------------
-*/
-
-#ifndef FBP_FILTERS_H
-#define FBP_FILTERS_H
-
-namespace astra {
-
-enum E_FBPFILTER
-{
-	FILTER_NONE,			//< no filter (regular BP)
-	FILTER_RAMLAK,			//< default FBP filter
-	FILTER_SHEPPLOGAN,		//< Shepp-Logan
-	FILTER_COSINE,			//< Cosine
-	FILTER_HAMMING,			//< Hamming filter
-	FILTER_HANN,			//< Hann filter
-	FILTER_TUKEY,			//< Tukey filter
-	FILTER_LANCZOS,			//< Lanczos filter
-	FILTER_TRIANGULAR,		//< Triangular filter
-	FILTER_GAUSSIAN,		//< Gaussian filter
-	FILTER_BARTLETTHANN,	//< Bartlett-Hann filter
-	FILTER_BLACKMAN,		//< Blackman filter
-	FILTER_NUTTALL,			//< Nuttall filter, continuous first derivative
-	FILTER_BLACKMANHARRIS,	//< Blackman-Harris filter
-	FILTER_BLACKMANNUTTALL,	//< Blackman-Nuttall filter
-	FILTER_FLATTOP,			//< Flat top filter
-	FILTER_KAISER,			//< Kaiser filter
-	FILTER_PARZEN,			//< Parzen filter
-	FILTER_PROJECTION,		//< all projection directions share one filter
-	FILTER_SINOGRAM,		//< every projection direction has its own filter
-	FILTER_RPROJECTION,		//< projection filter in real space (as opposed to fourier space)
-	FILTER_RSINOGRAM,		//< sinogram filter in real space
-};
-
-}
-
-#endif /* FBP_FILTERS_H */
diff --git a/include/astra/cuda/2d/fft.h b/include/astra/cuda/2d/fft.h
index d36cae2..f5f8477 100644
--- a/include/astra/cuda/2d/fft.h
+++ b/include/astra/cuda/2d/fft.h
@@ -31,7 +31,7 @@ along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
 #include <cufft.h>
 #include <cuda.h>
 
-#include "fbp_filters.h"
+#include "astra/Filters.h"
 
 namespace astraCUDA {
 
@@ -60,9 +60,9 @@ void applyFilter(int _iProjectionCount, int _iFreqBinCount,
 
 int calcFFTFourierSize(int _iFFTRealSize);
 
-void genFilter(astra::E_FBPFILTER _eFilter, float _fD, int _iProjectionCount,
-               cufftComplex * _pFilter, int _iFFTRealDetectorCount,
-               int _iFFTFourierDetectorCount, float _fParameter = -1.0f);
+void genCuFFTFilter(astra::E_FBPFILTER _eFilter, float _fD, int _iProjectionCount,
+                   cufftComplex * _pFilter, int _iFFTRealDetectorCount,
+                   int _iFFTFourierDetectorCount, float _fParameter = -1.0f);
 
 void genIdenFilter(int _iProjectionCount, cufftComplex * _pFilter,
                    int _iFFTRealDetectorCount, int _iFFTFourierDetectorCount);
-- 
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