mirror of https://github.com/CGAL/cgal
30 lines
1.1 KiB
TeX
30 lines
1.1 KiB
TeX
%\ccHtmlNoRefLinks
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\begin{ccRefFunction}{orientation}
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\ccHtmlNoLinks
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\ccFunction{Orientation orientation(const Point_2<Kernel>& p,
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const Point_2<Kernel>& q,
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const Point_2<Kernel>& r);}
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{returns \ccStyle{LEFT_TURN}, if $r$ lies to the left of the oriented
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line $l$ defined by $p$ and $q$, returns \ccStyle{RIGHT_TURN} if $r$
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lies to the right of $l$, and returns \ccStyle{COLLINEAR} if $r$ lies
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on $l$.}
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\ccHtmlNoLinks
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\ccFunction{Orientation orientation(const Point_3<Kernel> &p,
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const Point_3<Kernel>&q,
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const Point_3<Kernel>&r,
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const Point_3<Kernel>&s);}
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{returns \ccStyle{POSITIVE}, if $s$ lies on the positive side of the oriented
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plane $h$ defined by $p$, $q$, and $r$, returns \ccStyle{NEGATIVE} if $s$
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lies on the negative side of $h$, and returns \ccStyle{COPLANAR} if $s$ lies
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on $h$.}
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\ccSeeAlso
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\ccRefIdfierPage{CGAL::collinear}
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\ccRefIdfierPage{CGAL::left_turn}
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\ccRefIdfierPage{CGAL::right_turn}
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\end{ccRefFunction}
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