From 7a0a5ba0df0d69d1bf9e93bbfa4cf76fe4519e94 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <WillemJan.Palenstijn@uantwerpen.be>
Date: Tue, 22 Apr 2014 14:16:17 +0000
Subject: Fix SART::computeDiffNorm

---
 cuda/2d/sart.cu | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/cuda/2d/sart.cu b/cuda/2d/sart.cu
index ed763c9..28a18d8 100644
--- a/cuda/2d/sart.cu
+++ b/cuda/2d/sart.cu
@@ -223,7 +223,6 @@ float SART::computeDiffNorm()
 	unsigned int pPitch;
 	float *D_p;
 	allocateProjectionData(D_p, pPitch, dims);
-	zeroProjectionData(D_p, pPitch, dims);
 
 	// copy sinogram to D_p
 	duplicateProjectionData(D_p, D_sinoData, sinoPitch, dims);
@@ -232,9 +231,9 @@ float SART::computeDiffNorm()
 	if (useVolumeMask) {
 			duplicateVolumeData(D_tmpData, D_volumeData, volumePitch, dims);
 			processVol<opMul>(D_tmpData, D_maskData, tmpPitch, dims);
-			callFP(D_tmpData, tmpPitch, D_projData, projPitch, -1.0f);
+			callFP(D_tmpData, tmpPitch, D_p, pPitch, -1.0f);
 	} else {
-			callFP(D_volumeData, volumePitch, D_projData, projPitch, -1.0f);
+			callFP(D_volumeData, volumePitch, D_p, pPitch, -1.0f);
 	}
 
 
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