From f87ca86a994cdc3205a294e9bbbeddde312ea53b Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Wed, 11 Oct 2017 11:32:28 +0200
Subject: Make geometry config checks slightly less numerically strict

---
 src/ParallelBeamLineKernelProjector2D.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/ParallelBeamLineKernelProjector2D.cpp')

diff --git a/src/ParallelBeamLineKernelProjector2D.cpp b/src/ParallelBeamLineKernelProjector2D.cpp
index d11be3d..a7d72d4 100644
--- a/src/ParallelBeamLineKernelProjector2D.cpp
+++ b/src/ParallelBeamLineKernelProjector2D.cpp
@@ -89,7 +89,7 @@ bool CParallelBeamLineKernelProjector2D::_check()
 
 	ASTRA_CONFIG_CHECK(dynamic_cast<CParallelProjectionGeometry2D*>(m_pProjectionGeometry) || dynamic_cast<CParallelVecProjectionGeometry2D*>(m_pProjectionGeometry), "ParallelBeamLineKernelProjector2D", "Unsupported projection geometry");
 
-	ASTRA_CONFIG_CHECK(m_pVolumeGeometry->getPixelLengthX() == m_pVolumeGeometry->getPixelLengthY(), "ParallelBeamLineKernelProjector2D", "Pixel height must equal pixel width.");
+	ASTRA_CONFIG_CHECK(abs(m_pVolumeGeometry->getPixelLengthX() / m_pVolumeGeometry->getPixelLengthY()) - 1 < eps, "ParallelBeamLineKernelProjector2D", "Pixel height must equal pixel width.");
 
 	// success
 	return true;
-- 
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