mirror of https://github.com/CGAL/cgal
27 lines
1.0 KiB
TeX
27 lines
1.0 KiB
TeX
\ccHtmlNoRefLinks
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\begin{ccRefFunction}{orientation}
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\ccInclude{CGAL/predicates_on_points_2.h}
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\ccHtmlNoLinks
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\ccFunction{Orientation orientation(const Point_2<R>& p,
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const Point_2<R>& q,
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const Point_2<R>& r);}
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{returns \ccStyle{LEFTTURN}, if $r$ lies to the left of the oriented
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line $l$ defined by $p$ and $q$, returns \ccStyle{RIGHTTURN} 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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\ccInclude{CGAL/predicates_on_points_3.h}
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\ccHtmlNoLinks
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\ccFunction{Orientation orientation(const Point_3<R> &p,
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const Point_3<R>&q,
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const Point_3<R>&r,
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const Point_3<R>&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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\end{ccRefFunction}
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