songsenand
/
cgal
mirror of https://github.com/CGAL/cgal
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Use variadic functions in Static_filtered_predicate

This commit is contained in:
Mael Rouxel-Labbé 2024-12-20 15:34:54 +01:00
parent 778ae1b9c8
commit 9c9892c18e
1 changed files with 21 additions and 202 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

223
Filtered_kernel/include/CGAL/Static_filtered_predicate.h
View File

@ -21,215 +21,34 @@ class Static_filtered_predicate {
public: public:
FP fp; FP fp;
EpicP epicp; EpicP epicp;
typedef typename AK::FT IA;
typedef typename FP::result_type result_type;
template <typename A1> template <typename... Args>
result_type operator()(const A1& a1) const auto
operator()(const Args&... args) const
-> decltype(fp(args...))
{ {
CGAL::Epic_converter<AK> convert; CGAL::Epic_converter<AK> converter;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1);
}
return epicp(aa1.first); std::tuple<decltype(converter(approx(args)))...> converted_args;
}
auto convert = [&](auto index, const auto& arg)
{
auto converted = converter(approx(arg));
if(converted.second)
std::get<index>(converted_args) = converted;
return converted.second;
};
template <typename A1, typename A2> bool success = [&]<std::size_t... I>(std::index_sequence<I...>) {
result_type operator()(const A1& a1, const A2& a2) const return (... && convert(std::integral_constant<std::size_t, I>{}, args));
{ }(std::index_sequence_for<Args...>{});
CGAL::Epic_converter<AK> convert;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1, a2);
}
auto aa2 = convert(approx(a2));
if(! aa2.second){
return fp(a1, a2);
}
return epicp(aa1.first, aa2.first);
}
if(!success) // failed to convert all arguments, call the base predicate
return fp(args...);
template <typename A1, typename A2, typename A3> return [&]<std::size_t... I>(std::index_sequence<I...>) {
result_type operator()(const A1& a1, const A2& a2, const A3& a3) const return epicp(std::get<I>(converted_args).first...);
{ }(std::index_sequence_for<Args...>{});
CGAL::Epic_converter<AK> convert;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1, a2, a3);
}
auto aa2 = convert(approx(a2));
if(! aa2.second){
return fp(a1, a2, a3);
}
auto aa3 = convert(approx(a3));
if(! aa3.second){
return fp(a1, a2, a3);
}
return epicp(aa1.first, aa2.first, aa3.first);
}
template <typename A1, typename A2, typename A3, typename A4>
result_type operator()(const A1& a1, const A2& a2, const A3& a3, const A4& a4) const
{
CGAL::Epic_converter<AK> convert;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1, a2, a3, a4);
}
auto aa2 = convert(approx(a2));
if(! aa2.second){
return fp(a1, a2, a3, a4);
}
auto aa3 = convert(approx(a3));
if(! aa3.second){
return fp(a1, a2, a3, a4);
}
auto aa4 = convert(approx(a4));
if(! aa4.second){
return fp(a1, a2, a3, a4);
}
return epicp(aa1.first, aa2.first, aa3.first, aa4.first);
}
template <typename A1, typename A2, typename A3, typename A4, typename A5>
result_type operator()(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5) const
{
CGAL::Epic_converter<AK> convert;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1, a2, a3, a4, a5);
}
auto aa2 = convert(approx(a2));
if(! aa2.second){
return fp(a1, a2, a3, a4, a5);
}
auto aa3 = convert(approx(a3));
if(! aa3.second){
return fp(a1, a2, a3, a4, a5);
}
auto aa4 = convert(approx(a4));
if(! aa4.second){
return fp(a1, a2, a3, a4, a5);
}
auto aa5 = convert(approx(a5));
if(! aa5.second){
return fp(a1, a2, a3, a4, a5);
}
return epicp(aa1.first, aa2.first, aa3.first, aa4.first, aa5.first);
}
template <typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
result_type operator()(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6) const
{
CGAL::Epic_converter<AK> convert;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1, a2, a3, a4, a5, a6);
}
auto aa2 = convert(approx(a2));
if(! aa2.second){
return fp(a1, a2, a3, a4, a5, a6);
}
auto aa3 = convert(approx(a3));
if(! aa3.second){
return fp(a1, a2, a3, a4, a5, a6);
}
auto aa4 = convert(approx(a4));
if(! aa4.second){
return fp(a1, a2, a3, a4, a5, a6);
}
auto aa5 = convert(approx(a5));
if(! aa5.second){
return fp(a1, a2, a3, a4, a5, a6);
}
auto aa6 = convert(approx(a6));
if(! aa6.second){
return fp(a1, a2, a3, a4, a5, a6);
}
return epicp(aa1.first, aa2.first, aa3.first, aa4.first, aa5.first, aa6.first);
}
template <typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
result_type operator()(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A6& a7) const
{
CGAL::Epic_converter<AK> convert;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1, a2, a3, a4, a5, a6, a7);
}
auto aa2 = convert(approx(a2));
if(! aa2.second){
return fp(a1, a2, a3, a4, a5, a6, a7);
}
auto aa3 = convert(approx(a3));
if(! aa3.second){
return fp(a1, a2, a3, a4, a5, a6, a7);
}
auto aa4 = convert(approx(a4));
if(! aa4.second){
return fp(a1, a2, a3, a4, a5, a6, a7);
}
auto aa5 = convert(approx(a5));
if(! aa5.second){
return fp(a1, a2, a3, a4, a5, a6, a7);
}
auto aa6 = convert(approx(a6));
if(! aa6.second){
return fp(a1, a2, a3, a4, a5, a6, a7);
}
auto aa7 = convert(approx(a7));
if(! aa7.second){
return fp(a1, a2, a3, a4, a5, a6, a7);
}
return epicp(aa1.first, aa2.first, aa3.first, aa4.first, aa5.first, aa6.first, aa7.first);
}
template <typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
result_type operator()(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7, const A8& a8) const
{
CGAL::Epic_converter<AK> convert;
auto aa1 = convert(approx(a1));
if(! aa1.second){
return fp(a1, a2, a3, a4, a5, a6, a7, a8);
}
auto aa2 = convert(approx(a2));
if(! aa2.second){
return fp(a1, a2, a3, a4, a5, a6, a7, a8);
}
auto aa3 = convert(approx(a3));
if(! aa3.second){
return fp(a1, a2, a3, a4, a5, a6, a7, a8);
}
auto aa4 = convert(approx(a4));
if(! aa4.second){
return fp(a1, a2, a3, a4, a5, a6, a7, a8);
}
auto aa5 = convert(approx(a5));
if(! aa5.second){
return fp(a1, a2, a3, a4, a5, a6, a7, a8);
}
auto aa6 = convert(approx(a6));
if(! aa6.second){
return fp(a1, a2, a3, a5, a5, a6, a7, a8);
}
auto aa7 = convert(approx(a7));
if(! aa7.second){
return fp(a1, a2, a3, a5, a5, a6, a7, a8);
}
auto aa8 = convert(approx(a8));
if(! aa8.second){
return fp(a1, a2, a3, a4, a5, a6, a7, a8);
}
return epicp(aa1.first, aa2.first, aa3.first, aa4.first, aa5.first, aa6.first, aa7.first, aa8.first);
} }
}; };