codac2_SepUnion.h

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#pragma once
 
#include <type_traits>
#include "codac2_Sep.h"
#include "codac2_Collection.h"
#include "codac2_SepWrapper.h"
 
namespace codac2
{
  class SepUnion : public Sep<SepUnion>
  {
    public:
 
      template<typename S>
        requires IsSepBaseOrPtr<S>
      SepUnion(std::initializer_list<S> seps)
        : SepUnion(Collection<SepBase>(seps))
      { }
 
      SepUnion(const Collection<SepBase>& c)
        : Sep<SepUnion>([&c]() {
            assert_release(!c.empty());
            return size_of(c.front());
          }()), _seps(c)
      { }
 
      template<typename S>
        requires (IsSepBaseOrPtr<S> && !std::is_same_v<SepUnion,S>)
      SepUnion(const S& s)
        : Sep<SepUnion>(size_of(s)), _seps(s)
      { }
 
      template<typename... S>
        requires (IsSepBaseOrPtr<S> && ...)
      SepUnion(const S&... s)
        : Sep<SepUnion>(size_first_item(s...)), _seps(s...)
      {
        assert_release(all_same_size(s...));
      }
 
      size_t nb() const
      {
        return _seps.size();
      }
 
      BoxPair separate(const IntervalVector& x) const;
 
      template<typename S>
        requires IsSepBaseOrPtr<S>
      SepUnion& operator|=(const S& s)
      {
        assert_release(size_of(s) == this->size());
        _seps.push_back(s);
        return *this;
      }
 
    protected:
 
      Collection<SepBase> _seps;
  };
 
  template<typename S1, typename S2>
    requires (IsSepBaseOrPtr<S1> && IsSepBaseOrPtr<S2>)
  inline SepUnion operator|(const S1& s1, const S2& s2)
  {
    return SepUnion(s1,s2);
  }
 
  template<typename S2>
    requires IsSepBaseOrPtr<S2>
  inline SepUnion operator|(const IntervalVector& s1, const S2& s2)
  {
    assert_release(s1.size() == s2.size());
    return SepUnion(SepWrapper(s1),s2);
  }
 
  template<typename S1>
    requires IsSepBaseOrPtr<S1>
  inline SepUnion operator|(const S1& s1, const IntervalVector& s2)
  {
    assert_release(s1.size() == s2.size());
    return SepUnion(s1,SepWrapper(s2));
  }
}