From 21ead11091761e14e4f51589436ef6aa406d4ea2 Mon Sep 17 00:00:00 2001
From: Karsten Rink <karsten.rink@ufz.de>
Date: Tue, 30 Sep 2014 13:52:08 +0200
Subject: [PATCH] exchanged pi-constant for radian-constant

---
 MeshLib/MeshSurfaceExtraction.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/MeshLib/MeshSurfaceExtraction.cpp b/MeshLib/MeshSurfaceExtraction.cpp
index 26a499d3dcd..4a62a935726 100644
--- a/MeshLib/MeshSurfaceExtraction.cpp
+++ b/MeshLib/MeshSurfaceExtraction.cpp
@@ -129,8 +129,7 @@ void MeshSurfaceExtraction::get2DSurfaceElements(const std::vector<MeshLib::Elem
 	if (MathLib::scalarProduct(dir, dir) != 0)
 		complete_surface = false;
 
-	double const pi (boost::math::constants::pi<double>());
-	double const cos_theta (std::cos(angle * pi / 180.0));
+	double const cos_theta (std::cos(angle * boost::math::constants::radian<double>()));
 	MathLib::Vector3 const norm_dir (dir.getNormalizedVector());
 
 	for (auto elem = all_elements.begin(); elem != all_elements.end(); ++elem)
-- 
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