geom/ray: forward declare ostream operator
may be required for CHECK_SANITY
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@ -22,6 +22,8 @@
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#include "../vector.hpp"
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#include "../point.hpp"
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#include <iosfwd>
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///////////////////////////////////////////////////////////////////////////////
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namespace util::geom {
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@ -117,6 +119,12 @@ namespace util::geom {
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{
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return distance (r, b) >= 0;
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}
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///////////////////////////////////////////////////////////////////////////
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template <size_t S, typename T>
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std::ostream&
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operator<< (std::ostream&, ray<S,T>);
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}
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#endif
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