Incomplete work for using Boost.Polygon to compute medial axis

xs/src/boost/math_fwd.hpp

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+//  Boost math_fwd.hpp header file  ------------------------------------------//
+
+//  (C) Copyright Hubert Holin and Daryle Walker 2001-2002.  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/math for documentation.
+
+#ifndef BOOST_MATH_FWD_HPP
+#define BOOST_MATH_FWD_HPP
+
+#include <boost/cstdint.hpp>
+
+namespace boost
+{
+namespace math
+{
+
+
+//  From <boost/math/quaternion.hpp>  ----------------------------------------//
+
+template < typename T >
+    class quaternion;
+
+template < >
+    class quaternion< float >;
+template < >
+    class quaternion< double >;
+template < >
+    class quaternion< long double >;
+
+// Also has many function templates (including operators)
+
+
+//  From <boost/math/octonion.hpp>  ------------------------------------------//
+
+template < typename T >
+    class octonion;
+
+template < >
+    class octonion< float >;
+template < >
+    class octonion< double >;
+template < >
+    class octonion< long double >;
+
+// Also has many function templates (including operators)
+
+
+//  From <boost/math/special_functions/acosh.hpp>  ---------------------------//
+
+// Only has function template
+
+
+//  From <boost/math/special_functions/asinh.hpp>  ---------------------------//
+
+// Only has function template
+
+
+//  From <boost/math/special_functions/atanh.hpp>  ---------------------------//
+
+// Only has function template
+
+
+//  From <boost/math/special_functions/sinc.hpp>  ----------------------------//
+
+// Only has function templates
+
+
+//  From <boost/math/special_functions/sinhc.hpp>  ---------------------------//
+
+// Only has function templates
+
+
+//  From <boost/math/common_factor.hpp>  -------------------------------------//
+
+// Only #includes other headers
+
+
+//  From <boost/math/common_factor_ct.hpp>  ----------------------------------//
+
+#ifdef BOOST_NO_INTEGRAL_INT64_T
+     typedef unsigned long static_gcd_type;
+#else
+     typedef boost::uintmax_t static_gcd_type;
+#endif
+
+template < static_gcd_type Value1, static_gcd_type Value2 >
+    struct static_gcd;
+template < static_gcd_type Value1, static_gcd_type Value2 >
+    struct static_lcm;
+
+
+//  From <boost/math/common_factor_rt.hpp>  ----------------------------------//
+
+template < typename IntegerType >
+    class gcd_evaluator;
+template < typename IntegerType >
+    class lcm_evaluator;
+
+// Also has a couple of function templates
+
+
+}  // namespace math
+}  // namespace boost
+
+
+#endif  // BOOST_MATH_FWD_HPP