78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
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// Copyright (c) 1999-2004
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// Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland),
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// INRIA Sophia-Antipolis (France),
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// Max-Planck-Institute Saarbruecken (Germany),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 3 of the License,
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// or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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//
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//
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// Author(s) : Sylvain Pion
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namespace CGAL {
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#ifdef CGAL_CFG_DENORMALS_COMPILE_BUG
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// For compilers which bug on denormalized values at compile time.
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// We generate CGAL_IA_MIN_DOUBLE at run time.
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namespace {
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double init_min_double()
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{
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double d = 1;
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double e = 1;
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do {
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d = e;
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e = CGAL_IA_FORCE_TO_DOUBLE(e/2);
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} while (e != 0);
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return d;
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}
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} // anonymous namespace
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#ifndef CGAL_HEADER_ONLY
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namespace internal {
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double minimin = init_min_double();
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double& get_static_minimin()
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{
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return minimin;
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}
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}
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#else // CGAL_HEADER_ONLY
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namespace internal {
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double& get_static_minimin()
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{
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static double minimin = init_min_double();
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return minimin;
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}
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}
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#endif // CGAL_HEADER_ONLY
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#endif // CGAL_CFG_DENORMALS_COMPILE_BUG
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#ifndef CGAL_HEADER_ONLY
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#ifdef _MSC_VER
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namespace {
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int dummy_symbol_for_stopping_VC_linker_warning;
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} // namespace
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#endif
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#endif // CGAL_HEADER_ONLY
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} //namespace CGAL
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