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+/*
+-----------------------------------------------------------------------
+Copyright 2012 iMinds-Vision Lab, University of Antwerp
+
+Contact: astra@ua.ac.be
+Website: http://astra.ua.ac.be
+
+
+This file is part of the
+All Scale Tomographic Reconstruction Antwerp Toolbox ("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/>.
+
+-----------------------------------------------------------------------
+$Id$
+*/
+
+
+
+#define BOOST_TEST_DYN_LINK
+#include <boost/test/unit_test.hpp>
+#include <boost/test/auto_unit_test.hpp>
+#include <boost/test/floating_point_comparison.hpp>
+
+#include "astra/ParallelBeamLineKernelProjector2D.h"
+#include "astra/ParallelProjectionGeometry2D.h"
+#include "astra/VolumeGeometry2D.h"
+
+struct TestParallelBeamLineKernelProjector2D {
+ TestParallelBeamLineKernelProjector2D()
+ {
+ astra::float32 angles[] = { 1.0f };
+ BOOST_REQUIRE( projGeom.initialize(1, 9, 1.0f, angles) );
+ BOOST_REQUIRE( volGeom.initialize(6, 4) );
+ BOOST_REQUIRE( proj.initialize(&projGeom, &volGeom) );
+ }
+ ~TestParallelBeamLineKernelProjector2D()
+ {
+
+ }
+
+ astra::CParallelBeamLineKernelProjector2D proj;
+ astra::CParallelProjectionGeometry2D projGeom;
+ astra::CVolumeGeometry2D volGeom;
+};
+
+BOOST_FIXTURE_TEST_CASE( testParallelBeamLineKernelProjector2D_General, TestParallelBeamLineKernelProjector2D )
+{
+
+}
+
+BOOST_FIXTURE_TEST_CASE( testParallelBeamLineKernelProjector2D_Rectangle, TestParallelBeamLineKernelProjector2D )
+{
+ int iMax = proj.getProjectionWeightsCount(0);
+ BOOST_REQUIRE(iMax > 0);
+
+ astra::SPixelWeight* pPix = new astra::SPixelWeight[iMax];
+ BOOST_REQUIRE(pPix);
+
+ int iCount;
+ proj.computeSingleRayWeights(0, 4, pPix, iMax, iCount);
+ BOOST_REQUIRE(iCount <= iMax);
+
+ astra::float32 fWeight = 0;
+ for (int i = 0; i < iCount; ++i)
+ fWeight += pPix[i].m_fWeight;
+
+ BOOST_CHECK_SMALL(fWeight - 7.13037f, 0.00001f);
+}
+
+