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Replace if constexpr with C++14 compatible code

This commit is contained in:
Mael Rouxel-Labbé 2022-10-13 23:11:05 +02:00
parent f83b970461
commit 10eb694d38
1 changed files with 13 additions and 6 deletions
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19
Filtered_kernel/include/CGAL/Filtered_predicate.h
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@ -122,6 +122,7 @@ class Filtered_predicate_RT_FT
public:
using result_type = typename Remove_needs_FT<typename EP_FT::result_type>::Type;
private:
template <typename... Args>
struct Call_operator_needs_FT
{
@ -130,6 +131,15 @@ public:
enum { value = std::is_same<Approx_res, Needs_FT<Ares> >::value };
};
template <typename... Args,
std::enable_if_t<Call_operator_needs_FT<Args...>::value>* = nullptr>
result_type call(const Args&... args) const { return ep_ft(c2e_ft(args)...); }
template <typename... Args,
std::enable_if_t<! Call_operator_needs_FT<Args...>::value>* = nullptr>
result_type call(const Args&... args) const { return ep_rt(c2e_rt(args)...); }
public:
// ## Important note
//
// If you want to remove of rename that member function template `needs_FT`,
@ -159,14 +169,11 @@ public:
CGAL_BRANCH_PROFILER_BRANCH(tmp);
Protect_FPU_rounding<!Protection> p(CGAL_FE_TONEAREST);
CGAL_expensive_assertion(FPU_get_cw() == CGAL_FE_TONEAREST);
if constexpr (Call_operator_needs_FT<Args...>::value)
return ep_ft(c2e_ft(args)...);
else
return ep_rt(c2e_rt(args)...);
return call(args...);
}
};
} //namespace CGAL
} // namespace CGAL
#endif // CGAL_FILTERED_PREDICATE_H