mirror of https://github.com/CGAL/cgal
43 lines
2.5 KiB
C++
43 lines
2.5 KiB
C++
#ifndef CGAL_STATIC_INT_H
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#define CGAL_STATIC_INT_H
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#include <CGAL/constant.h>
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namespace CGAL {
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template <class NT> struct static_zero {
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operator NT() const { return constant<NT,0>(); }
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};
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template <class NT> struct static_one {
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operator NT() const { return constant<NT,1>(); }
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};
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template <class NT> static_zero<NT> operator-(static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> NT operator+(NT const& x, static_zero<NT>) { return x; }
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template <class NT> NT operator+(static_zero<NT>, NT const& x) { return x; }
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template <class NT> static_zero<NT> operator+(static_zero<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator+(static_zero<NT>, static_one<NT>) { return static_one<NT>(); }
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template <class NT> static_one<NT> operator+(static_one<NT>, static_zero<NT>) { return static_one<NT>(); }
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template <class NT> NT operator-(NT const& x, static_zero<NT>) { return x; }
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template <class NT> NT operator-(static_zero<NT>, NT const& x) { return -x; }
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template <class NT> static_zero<NT> operator-(static_zero<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator-(static_one<NT>, static_one<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator-(static_one<NT>, static_zero<NT>) { return static_one<NT>(); }
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template <class NT> NT operator*(NT const& x, static_one<NT>) { return x; }
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template <class NT> NT operator*(static_one<NT>, NT const& x) { return x; }
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template <class NT> static_zero<NT> operator*(NT const&, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator*(static_zero<NT>, NT const&) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator*(static_zero<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator*(static_one<NT>, static_one<NT>) { return static_one<NT>(); }
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template <class NT> static_zero<NT> operator*(static_zero<NT>, static_one<NT>) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator*(static_one<NT>, static_zero<NT>) { return static_zero<NT>(); }
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template <class NT> NT operator/(NT const& x, static_one<NT>) { return x; }
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template <class NT> static_zero<NT> operator/(static_zero<NT>, NT const&) { return static_zero<NT>(); }
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template <class NT> static_zero<NT> operator/(static_zero<NT>, static_one<NT>) { return static_zero<NT>(); }
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template <class NT> static_one<NT> operator/(static_one<NT>, static_one<NT>) { return static_one<NT>(); }
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}
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#endif // CGAL_STATIC_INT_H
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