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Another proposal for Filtered_predicate_RT_FT

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Instead of having the return type wrapped in a `Needs_FT` tag,
not the call operator overloads that can be called with `RT` are
"tagged" by adding a last argument of type `RT_sufficient` with a
default value.
This commit is contained in:
Laurent Rineau
2022-09-07 11:10:13 +02:00
parent 1e485113e8
commit 4b660d9ec9
5 changed files with 34 additions and 32 deletions
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Cartesian_kernel/include/CGAL/Cartesian/function_objects.h
+6 -6
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@@ -566,7 +566,7 @@ namespace CartesianKernelFunctors {
typedef typename K::Comparison_result result_type;
result_type
operator()(const Point_3& p, const Point_3& q, const Point_3& r) const
operator()(const Point_3& p, const Point_3& q, const Point_3& r, RT_sufficient = {}) const
{
return cmp_dist_to_pointC3(p.x(), p.y(), p.z(),
q.x(), q.y(), q.z(),
@@ -574,32 +574,32 @@ namespace CartesianKernelFunctors {
}
result_type
operator()(const Point_3& p1, const Segment_3& s1, const Segment_3& s2) const
operator()(const Point_3& p1, const Segment_3& s1, const Segment_3& s2, RT_sufficient = {}) const
{
return internal::compare_distance_pssC3(p1,s1,s2, K());
}
result_type
operator()(const Point_3& p1, const Point_3& p2, const Segment_3& s2) const
operator()(const Point_3& p1, const Point_3& p2, const Segment_3& s2, RT_sufficient = {}) const
{
return internal::compare_distance_ppsC3(p1,p2,s2, K());
}
result_type
operator()(const Point_3& p1, const Segment_3& s2, const Point_3& p2) const
operator()(const Point_3& p1, const Segment_3& s2, const Point_3& p2, RT_sufficient = {}) const
{
return opposite(internal::compare_distance_ppsC3(p1,p2,s2, K()));
}
template <class T1, class T2, class T3>
Needs_FT<result_type>
result_type
operator()(const T1& p, const T2& q, const T3& r) const
{
return CGAL::compare(squared_distance(p, q), squared_distance(p, r));
}
template <class T1, class T2, class T3, class T4>
Needs_FT<result_type>
std::enable_if_t< !std::is_same<T4, RT_sufficient>::value, result_type >
operator()(const T1& p, const T2& q, const T3& r, const T4& s) const
{
return CGAL::compare(squared_distance(p, q), squared_distance(r, s));